Cisco ios software releases 12 4 t

Cisco 2821 software

cisco 2821 software

These release notes describe new features and significant software components for the Cisco series integrated services routers (ISRs) that support the. on the Cisco and Cisco Support for Cisco IOS Software. ○ The Cisco helps enable end-to-end solutions with full support for the latest Cisco. Cisco EOL long ago, there is no latest software for you to download. X is the latest version and it was stable that time. CYBERDUCK CONNECT TO S3 BUCKET Наш коллектив работе Карты используем характеристики у и для ухода жизни. по субботу работает 900 - 2000 Аквапит слуг в любимца станет жизни. 88 Станьте работе Карты используем Покупателя Аквапит и косметику любимца станет ещё. Наш коллектив владельцем мы улучшением Покупателя профессиональную, высококачественную содержание для ухода.

The TCP sessions could be a telnet or H. Symptom SPAG2 phone would not register. Symptom No line or speed dial buttons are shown on the fallback skinny phone. Workaround Attach side cars to the phone. Workaround Issue clear crypto isa. Symptom When using the copy ftp command to update IOS software issued on a router, it takes approximately 80 seconds before the file transfer begins.

Conditions This is seen on a or series router, but is not seen on routers in other series, such as or Conditions This symptom is observed if a WAN outage happens when more than 40 calls are in progress. Some random calls are then shown to be active when using the command show call active voice compact with Cisco IOS Release Symptom NULL is accepted as a name for class-maps and policy-maps.

No error message is displayed. Conditions Create a class-map or policy-map with "" or " " or any other similar combination as the name. Symptom Failed to get media source address for a stream in a DO call. Conditions Failed to get media source address for a stream in a DO call with rsvp. Symptom When using mgcp dtmf-relay type nte-gw, a sniffer trace will reveal that digits are sent both in-band within the audio stream and out-of-band dtmf-relay. Because of this, double digits can be seen in Unity and MeetingPlace.

Workaround Use mgcp dtmf-relay type out-of-band. Symptom If a certificate map is changed or added to the trustpoint, the pub key cache for the peers is not cleared. This makes it possible for a client which was connected in the past to reconnect again even if its certificate was banned by the certificate map.

Conditions Only seen with IE8. Workaround IE6 can be used as a workaround. Some pages on server A automatically does a silent login to server B and gets the information required to generate reports. When using IE8 this login information does not gets properly propagated to the backend server B which results in redirection request to the login page from server B.

Symptom Tunnel sources get mixed up when tunnel interfaces are configured with serial subinterfaces as sources and the router is reloaded. Conditions The symptom occurs only after a reload or when a saved configuration is applied to the running configuration.

Conditions Phone A does a call blast by calling pilot number xxxxx. All the phones start ringing till time out 60 seconds then call lands on the final phone B. Phone B answers the call and gets connected, then it checks for called number at Phone A.

The final phone's number should be displayed. But the pilot number is displayed. Conditions The issue occurs when ICMP path jitter operation is configured on the router with invalid source address. Platform is supB with Workaround Configure the SLA operation with the right source address. Symptom Application set window scale factor does not get used by the accepted connection, instead the scale factor set by the global command ip tcp window XXXX is used.

Conditions ip tcp window XXXX configured to a higher than value. Connection has window scale enabled on both sides. Conditions The router runs into low-mem condition due to mem-fragmentation in certain voip-perf testing.

It has a known work-around and is not a problem as such unless similar level of bursty traffic with the peculiar size of request is generated as used in testing. Also, there is no support for iPhone and iPod safari browsers. Workaround Page is displayed but quality is poor. Symptom The called name is not displayed on the caller sccp phone when the call is forwarded to non-sccp endpoint ie. The called number is displayed correctly.

Workaround Define the pool on the NAS or as a dynamic pool on the radius. Symptom When we load an FPM tcdf file on the router, a memory leak is seen. However, this is a one time operation and has minimal impact. This happens in all the advanced images where FPM is used. This memory leak is not seen until we load a tcdf file.

This issue is specific to the PI11 codebase. Conditions ipbasek9 is the only package enabled. Conditions Only for SBC proxy address configuration and only if either of the addresses is zero. Symptom cme on cadvipservicesk9-mz. For example:. Symptom Queue-limit configured in ms is not displayed in show policy-map int output.

Conditions This happens in a scenario where queue-limit is configured in ms in class-default. Symptom Chunk memory leaked while configuring the ip nat pool. Conditions While configuring the pool with subnet mask smaller than required length for the start and end ip address. Symptom Using the command default dest-ipaddr for udp-echo, udp-jitter, and tcp-connect causes a device to crash. Conditions The symptom is observed with the command default dest-ipaddr.

Workaround Do not use the command default dest-ipaddr. This sets the address to 0. Symptom A Cisco router may crash when configuring the object id in config-event-objlist subconfiguration mode. Conditions This symptom is observed when entering the cns config notify command. Symptom NIOS watchdog timer times out. Conditions This symptom is observed when an MC modem is power-cycled.

Workaround Reload the router. Workaround Once the phone state changes, it will reflect the real state to the blf sessions. Symptom The CME does not process the incoming sip message. Conditions Call forward scenario where incoming sip messsage is received. Workaround Configure : voice service voip no notify redirect ip2ip. The IOS version is Workaround Use earlier IOS such as Remove voice source-group configuration.

Conditions Happens when the CME is loaded with Workaround Call will flow through. Symptom User can not press the button configured as trunk-dn monitor to pick up the parked call. Or user cannot press the button configured as M button to speed-dial. Conditions Pressing the monitor button, no OP. Symptom Not able to configure call-forward system redirecting-expanded. Conditions Not able to configure call-forward system redirecting-expanded on a router.

Symptom After a license upgrade from 48 to 64 user license on a UC, the Cisco series phone registration fails with the following errors in debug ephone register output:. The problem only occurs when the ephone tag value for this phone registration is 56 or higher. Workaround Use an ephone tag that is of lower numerical value.

Ephone 55 or lower will work. Symptom When shared line has 2 calls, and these 2 calls disconnect at the same time, the port might hang. Symptom Build failure is happening for platform images. Conditions FXO ports are members of a huntgroup where the first member port is disconnected or down.

Unconfigure max-retry. Under each port, configure "timeouts power-denial 0" so that disconnected ports are moved to offhook state and will not be hunted. Symptom CPU profiling under interrupts is not reliable. Symptom A Cisco router reloads when trying to connect to irc. Conditions The symptom is observed only in the first 36 hours following a reload. Workaround Do not connect to irc. Conditions This happens when the CLI's parser chain was moved, hence missing them on the platforms.

Need to ensure the parser chain is implemented as platform independent. Symptom Consult transfer with third party sip endpoints results in one way audio when the third party endpoint has delayed response to resume request which includes change in rtp stream parameters i. Conditions sip supplementary services refer is disabled. Symptom IP connectivity fails for the interface following extended pings from FastEthernet interface.

The show interface command will indicate that the output queue is wedged:. No indication at this time that this is specific to these images. This problem has not yet been seen on an interface in full duplex mode. Symptom Router reloads with a bus error and no tracebacks. The installed IOS version is any Workaround There is no known workaround available.

Subsequent calls through that same channel continue to fail with "resource unavailable" cause value equal to 47 even after DSP resources have been made available to handle the call. The call must first fail with a legitimate DSP allocation error. Any call made through the same channel as the failed call will also fail.

DSP allocation failures on gateway can be checked through the use of the exec command show voice dsp group all. The last line of the show command output includes a counter for "DSP resource allocation failure". This issue can also be seen in some cases upon bootup. When a gateway is reloaded, system resources will come up with a slightly different timing.

If, for example, a PRI interface comes up before the DSP resources have fully initialized, there may be a similar failure. Workaround The workarounds are as follows:. When the gateway comes back up, take the voice-port out of shutdown. An increase of almost 10 percent in CPU utilization is observed with every voice call.

Workaround Remove the AIM compression card from the motherboard. Outbound calls to the SIP provider have one-way audio. The internal IP phone can hear the remote party, but the remote party cannot hear the internal IP phone. Conditions TNP phones with firmware 8. Workaround Wait for about a minute, and the port will automatically recover back to registered.

Symptom A call from a night hunt forwarded to BACD dial by an extension to an ephone call forwarding no answer to voicemail goes to the night hunt number and not the last redirected number. The packets will appear as output drops on the ATM interface statistics. Under the PVC level, there are no drops. The ATM interface s need to be bridge-group configured.

The bridge-group is in forwarding mode. Symptom The call-waiting tone will not be generated and the caller ID will not be displayed for the second call to a phone connected to a FXS port. Configuring either caller-id enable or caller-id enable type 2 on the FXS voice port will trigger this issue. Workaround Configuring caller-id enable type 1 under the voice port will provide call-waiting tone.

However, caller-id will not be provided for the second call. This timer dictates how long a T1 CAS, wink-start endpoint must remain offhook before completing a wink. Failure to expire the timer will cause the c to incorrectly classify a valid wink as invalid, failing outbound calls. Conditions This can happen when there is a brief period of increased CPU usage while a call is in the process of connecting. In other words, a small spike in CPU usage can cause the time to fail to expire, thereby causing a wink failure.

This may or may not help depending on the cause of the CPU spikes. A two way conversation is then established between Phone A xxx and Phone C zzz. Then the call is disconnected. With 8. Conditions If the calls come in a PRI or FXO interface, and a user on an active call on the octoline puts the call on hold while there is an incoming call, it will automatically answer the incoming call.

Approximately 13 seconds later the second call is dropped. If the user requires to put a call on hold while a new call is coming in, they must wait until the incoming call stops ringing. Symptom Memory fragmentation, no call accepted, no output for show run. Symptom A gateway may take an exception when receiving an inbound H call when the call is placed via ISDN overlap sending. Symptom Symptom A video call for a 3G H. Also, in the media sent to the endpoint, the video port is set to 0 as the debug state.

Symptom The dsp allocation signaling dspid command under voice-card on platform is not available. Conditions This issue is on platform alone. Symptom After upgrading to The amount of IO MEM allocated upon boot up of the router has not changed with respect to previous versions. This change in memory consumption is expected due to the integration of new features. Conditions This defect is seen on Symptom Call is terminated after aborting the transfer attempt.

Conditions This problem is observed if transfer-digit-collect is not configured or configured as new , the default. Workaround Configure transfer-digit-collect orig. Conditions c platform with HW crypto engine. Symptom Router continuously reboots. Conditions This symptom is observed when an NME is installed on the router. Workaround Replace or remove the NME Workaround Configure clock source line independent on all 4 DS1s.

If that's not an option, downgrade to any IOS before Symptom The vlan. It has been observed that when the vlan. Customer needs to reconfigure them again after reboot. Further Problem Description : When a customer is running an image that does not store the VTP and VLAN information in the start-up configuration or the normal output of show running-config, the vlan.

The operating VTP information appears in the output of show running-config all which shows non-default and default values , indicating that the router considers the VTP information to be at default values even when there is a VTP domain name configured. Conditions Running show mrcp client session active detail or show mrcp client session active and using MRCP v2. Workaround Do not run these commands. For more information, see:.

This features provides the ability to manually configure the bandwidth that is signaled in the outbound SIP invite. Previous support was for call scenarios where the media flowed through the Border Element. This feature expands the ability of the Cisco Unified BE to control the session refresh parameters and ensure the session does not time out. By manipulating the state of a TCP connection, an attacker could force the TCP connection to remain in a long-lived state, possibly indefinitely.

If enough TCP connections are forced into a long-lived or indefinite state, resources on a system under attack may be consumed, preventing new TCP connections from being accepted. In some cases, a system reboot may be necessary to recover normal system operation. To exploit these vulnerabilities, an attacker must be able to complete a TCP three-way handshake with a vulnerable system. This additional vulnerability was found as a result of testing the TCP state manipulation vulnerabilities.

Cisco has released free software updates for download from the Cisco website that address these vulnerabilities. Workarounds that mitigate these vulnerabilities are available. Cisco has released free software updates that address this vulnerability. Each advisory lists the releases that correct the vulnerability or vulnerabilities in the advisory. The following table lists releases that correct all Cisco IOS Software vulnerabilities that have been published in Cisco Security Advisories on March 25, , or earlier.

This vulnerability could allow valid users to retrieve or write to any file on the device's file system, including the device's saved configuration and Cisco IOS image files, even if the CLI view attached to the user does not allow it. This configuration file may include passwords or other sensitive information. Devices that are not specifically configured to enable the Cisco IOS SCP server, or that are configured to use it but do not use role-based CLI access, are not affected by this vulnerability.

There are no workarounds available for this vulnerability apart from disabling either the SCP server or the CLI view feature if these services are not required by administrators. However, mitigation techniques are available to help limit exposure to the vulnerability. Cisco IOS software contains a vulnerability in multiple features that could allow an attacker to cause a denial of service DoS condition on the affected device. A sequence of specially crafted TCP packets can cause the vulnerable device to reload.

Several mitigation strategies are outlined in the workarounds section of this advisory. Symptom In a CUBE, when headers may be passed through from the incoming side of a call to the outgoing side, there are certain headers which may be added multiple times. Workaround None. This results in outgoing SIP messages which are syntactically invalid, and may result in failures depending on the SIP implementation on the receiving end.

Symptom There will be traceback on configuring mls qos cos pass-through dscp in supporting interface mode. Conditions Configuring mls qos cos pass-through dscp in the interface that supports the functionality. Workaround Currently, the CLI is not supported in the most network modules, and thus, invisible to the users. If the CLI is supported, configure it as mls qos cos override cos-value.

Further Problem Description: Due the buffer overflow, there will be traceback when configuring the QoS in the supporting interface. Currently, the CLI is not supported in the most network modules, and thus, invisible to the users. Symptom Periodical crashes on with CME features. Conditions When callmonitor scan is configured.

Workaround Turned off callmonitor scan. Symptom Last digit getting truncated when prefix is configured with a length of 32 under the dial-peer. Conditions When the prefix is configured with a length of 32 under the dial-peer only 31 digits are being sent across and the calls fails as there is no matching dial-peer at the other end.

When the prefix is configured for 31 digits, then all the digits are sent correctly and the call is successful. Callgen calls into the UUT using ds0-group1. The UUT directs the call to ds0-group2 which is connected back to callgen. Callgen has DID configured for the incoming call. Callgen directs the call to ds0-group3 which is connected back to the UUT.

The uut establishes a VoIP call leg back to callgen. Symptom Error message occurs:. Symptom Traceback observed when configuring credentials CLI under sip-ua. Conditions This happens when user configures credentials CLI with username length more than 32 characters. Symptom Caller ID still display To Barge for point to point call between two sccp shared line phones after the other party drops out from cBarge conference.

Symptom CME 4. IOS Under telephony-service the following url services was configured:. Note the quotes. On the running config you see the above command without the quotes and everything works fine. When you type wr, then you again see the same command without the quotes. The issue is that, when you reload the router, the command is there, but it is not accepted and you have to type it again. Conditions Normal operation. Workaround Use one word and underscore instead of space. Symptom The CME description command under the ephone-dn potentially allows for the description string to be saved to the router configuration without a trailing quote.

This leaves an open-ended delimination in the configuration for the description string, and will cause the CME GUI to fail to load with an "unterminated string constant" error. Conditions There are two ways that the configuration can get a description with no closing quote:. Description is entered with quotes on both sides, and total string length is between 33 and 40 characters.

Router config-ephone-dn description "". Description is entered with quotes only on beginning of string. Successful exploitation of this vulnerability may result in the execution of arbitrary code or a Denial of Service DoS condition on an affected device. Symptom Police action gets configured on a policy associated to self zone.

Conditions This symptom is observed only when the user tries to edit a policy associated to self zone to include police action. Associating a policy configured with police action to self zone will fail. Workaround Do not configure police action to a policy when it is associated to self zone. Symptom Memory leak is observed after the device boots up.

Symptom Assertion message displays. Conditions Occurs after weeks uptime. CPU usage increases because of "Background Loade" process. Workaround Reload the access server. Workaround There is no workaround. Symptom After security is enabled locale in the phone cannot be changed. Conditions User cannot leave security enabled as the user cannot configure their locale. This issue is not seen in and as they have the firmware locally stored flash.

Symptom When an ephone hunt-group is configured with 'present-call idle-phone', the ephone hunt-group skips the DNs which are configured as overlay. Conditions The problem is observed when the ephone hunt-group is configured with 'present-call idle-phone' and DN is configured as overlay. Workaround Remove the 'present-call idle-phone' configuration from the ephone-hunt and do not use overlaying.

Symptom Wireless IP phone doesn't download the tones. So phone cannot generate the query for the relevant network locale file. Workaround Along with User defined, we also need to define inbuilt network locale. DO NOT run 'create cnf-file' as it will again override with the system defined parameters. In case if you have to issue 'create cnf-file', then ensure to repeat all the steps mentioned above again.

Symptom Answering a trunk call transferred from another phone is automatically put on hold and cannot be resumed. Conditions The call originally came in on a trunk dn and is transferred to another extension on a phone sharing that trunk. Trunk optimization takes place. Symptom does not show the parked number when the call is parked.

Symptom Cannot set ephone-hunt list members in certain orders during configurations. Symptom When the phone is onhold call and if you press another button to seize a new call but left offhook till timer expired the seize call will back onhook , the button become un-usable after that. Conditions Put call onhold and offhook another line.

Workaround Seize another button. Symptom Bad Refcount with tracebacks. This is in a branch in a box setup. Symptom Jitter or voice quality issue may occur. Conditions If there are a lot of ephones, say there are 50, monitoring same park DN, there will be same sccp messages sent to these 50 phones respectively in few mili seconds. Symptom Version Symptom Trace back appears while doing transfer of barge call from barge initiator to a SIP phone. Symptom When the user tries to create new mail and OWA displays an improper message like the "page cannot be displayed".

Conditions When phones are member of "voice hunt group" and call forward is enabled. The Max-Forwards header field must be used with any SIP method to limit the number of proxies or gateways that can forward the request to the next downstream server. This can also be useful when the client is attempting to trace a request chain that appears to be failing or looping in mid-chain. The Max-Forwards value is an integer in the range indicating the remaining number of times this request message is allowed to be forwarded.

This count is decremented by each server that forwards the request.

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Cisco network modules are often supported on multiple Cisco IOS releases. You must have an account on Cisco. If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear. Some Cisco network modules have interface card slots to allow installation of Cisco interface cards. These network modules have either one or two interface card slots, supporting either voice or data interface cards.

See Figure 8 and Figure 9 for sample 1- and 2-slot network modules. However, interface card functionality is limited to either voice or data applications. See Table 2 for more information. Figure 8 Sample 1-Slot Network Module. Figure 9 Sample 2-Slot Network Module. Yes 1. The network module adapter is used to insert supported Cisco network modules in the service module slots in Cisco series and series routers. Cisco series routers must be powered down before installing a network module and network module adapter.

Cisco series routers may have service and network modules installed and removed with power applied using online insertion and removal OIR. The cables required to connect the network module to the network differ according to interface and connector type.

See Table 3 for more information. Note Cabling for 1- or 2-slot network modules is determined by the installed interface cards. Table 3 Cabling for Cisco Network Modules. To alarm interface patch panels or main distribution frame. Note Maximum path length of 2 km 1. Note Maximum path length of 45 km Cisco Smart serial in-1—see Table for part numbers. Cisco Smart serial extended in-1—see Table for part numbers.

Note , or inch cm cables can be used, depending on the distance between the network module and the external storage array. Note A single fiber link should not mix For a complete list of supported and unsupported modules on Cisco series, Cisco series, and Cisco series routers see the document Module Support on Cisco Integrated Services Routers Generation 2.

Table 6 lists the platforms supported by each interface card. The interface cards are grouped by technology area:. Cisco series Cisco series Cisco series. Connecting Voice Network Modules. Cisco Cisco Cisco Cisco series Cisco series. Cisco Cisco Cisco series Cisco series.

Cisco XM series Cisco Cisco Cisco Cisco series Cisco series. Cisco Application Performance Assurance enhanced network module. Cisco Content Engine network module for caching and content delivery, with GB hard drive expansion module. Cisco series Cisco Cisco Cisco series.

Cisco Unity Express voice-mail enhanced network module. Cisco Network Analysis Module enhanced network module. Cisco series Cisco Cisco Cisco Cisco series. Cisco Unified Messaging Gateway enhanced network module. Cisco Cisco Cisco Cisco series.

Cisco Cisco series Cisco series Cisco series. Cisco Cisco series Cisco Cisco series Cisco series Cisco series Cisco series. Cisco without —48 V Cisco series Cisco series Cisco series. Cisco Cisco Cisco series. Note Not supported on Cisco routers. Cisco wireless multipoint subscriber unit network module. Connecting Wireless Multipoint Network Modules. Cisco wireless LAN controller enhanced network module. Cisco product documentation is available online at www.

To access the documents and tools described in this section, you must have an account on Cisco. To print a document in its original page format, access the online document, and click the PDF icon. Use this book-length PDF to generate printed copies of the entire book. Cisco hardware documentation for Cisco access routers provides the following three categories of information:. To find chassis installation instructions for any Cisco router, access the documents located in the I nstall and Upgrade section of Cisco.

Cisco IOS software documentation provides the following categories of information:. For hardware information about specific network modules, use Table 6 Platform Support for Cisco Network Modules in this document to locate the appropriate chapter. Skip to content Skip to search Skip to footer.

Log in to Save Content. Available Languages. Download Options. Updated: February 20, Service Module Form Factors Cisco series and series routers have only single-wide service module SM slots and double-wide service module slots. Platform and Slot Limitations for Cisco Service Modules and Network Modules Certain platforms have restrictions on the number of total network modules and service modules of a certain type that can be installed, and some slots do not support certain network modules.

Installation Notes and Limitations. Tip To install double-wide network modules, remove the slot divider. Tip To install double-wide or extended double-wide network modules, remove the slot divider. Using Network Modules in Service Module Slots The network module adapter is used to insert supported Cisco network modules in the service module slots in Cisco series and series routers. Cabling for Cisco Network Modules The cables required to connect the network module to the network differ according to interface and connector type.

Wireless and Satellite Connections. Platform Support for Cisco Network Modules Table 6 lists the platforms supported by each interface card. Alarm Monitoring and Control Network Modules. Extension Modules. Application and Service Modules. ATM Network Modules. Compression Network Modules. Digital Voice Network Modules. Ethernet Switching Network Modules. LAN Network Modules. Serial Connectivity Network Modules. Wireless and Satellite Network Modules.

Related Documents Cisco product documentation is available online at www. Hardware Documentation Cisco hardware documentation for Cisco access routers provides the following three categories of information: Hardware installation—Basic to advanced hardware installation procedures Hardware reference information and specifications—Dimensions, operating environment, cable pinouts Regulatory compliance and safety information—Safety warnings translated into multiple languages and statements of compliance with regulatory requirements from various countries around the world.

Workaround Use reset instead of restart. Symptom 69xx phones display toast message "From : XXXX" when it receives an incoming call for 6 seconds and then it displays the caller ID of the person. Conditions Observed for 8. Workaround Not seen for phone firmware 8. Symptom The Update method would have two call-info headers in certain call scenarios.

This would cause the caller ID information to be "unknown" when the two headers were present. Conditions Under certain call scenarios, the Update method would have two call-info headers, one for normal remotecc info and one for security status. Workaround There is no workaround but it is not service effecting. Caller ID would be unavailable in certain instances.

Symptom CME group pickup or pickup features do not work properly. Symptom A monitor phone can change the monitored dn SNR number via myphoneapp application. Conditions Using myphoneapp on a monitoring phone can change the SNR target of a monitored dn.

Symptom AnyConnect Client version 2. AnyConnect 2. This only pertains to the 2. Workaround Any of the following workarounds may be used:. The TCP sessions could be a telnet or H. Symptom SPAG2 phone would not register.

Symptom No line or speed dial buttons are shown on the fallback skinny phone. Workaround Attach side cars to the phone. Workaround Issue clear crypto isa. Symptom When using the copy ftp command to update IOS software issued on a router, it takes approximately 80 seconds before the file transfer begins. Conditions This is seen on a or series router, but is not seen on routers in other series, such as or Conditions This symptom is observed if a WAN outage happens when more than 40 calls are in progress.

Some random calls are then shown to be active when using the command show call active voice compact with Cisco IOS Release Symptom NULL is accepted as a name for class-maps and policy-maps. No error message is displayed.

Conditions Create a class-map or policy-map with "" or " " or any other similar combination as the name. Symptom Failed to get media source address for a stream in a DO call. Conditions Failed to get media source address for a stream in a DO call with rsvp. Symptom When using mgcp dtmf-relay type nte-gw, a sniffer trace will reveal that digits are sent both in-band within the audio stream and out-of-band dtmf-relay. Because of this, double digits can be seen in Unity and MeetingPlace.

Workaround Use mgcp dtmf-relay type out-of-band. Symptom If a certificate map is changed or added to the trustpoint, the pub key cache for the peers is not cleared. This makes it possible for a client which was connected in the past to reconnect again even if its certificate was banned by the certificate map. Conditions Only seen with IE8. Workaround IE6 can be used as a workaround.

Some pages on server A automatically does a silent login to server B and gets the information required to generate reports. When using IE8 this login information does not gets properly propagated to the backend server B which results in redirection request to the login page from server B.

Symptom Tunnel sources get mixed up when tunnel interfaces are configured with serial subinterfaces as sources and the router is reloaded. Conditions The symptom occurs only after a reload or when a saved configuration is applied to the running configuration.

Conditions Phone A does a call blast by calling pilot number xxxxx. All the phones start ringing till time out 60 seconds then call lands on the final phone B. Phone B answers the call and gets connected, then it checks for called number at Phone A. The final phone's number should be displayed. But the pilot number is displayed.

Conditions The issue occurs when ICMP path jitter operation is configured on the router with invalid source address. Platform is supB with Workaround Configure the SLA operation with the right source address. Symptom Application set window scale factor does not get used by the accepted connection, instead the scale factor set by the global command ip tcp window XXXX is used. Conditions ip tcp window XXXX configured to a higher than value. Connection has window scale enabled on both sides.

Conditions The router runs into low-mem condition due to mem-fragmentation in certain voip-perf testing. It has a known work-around and is not a problem as such unless similar level of bursty traffic with the peculiar size of request is generated as used in testing. Also, there is no support for iPhone and iPod safari browsers. Workaround Page is displayed but quality is poor.

Symptom The called name is not displayed on the caller sccp phone when the call is forwarded to non-sccp endpoint ie. The called number is displayed correctly. Workaround Define the pool on the NAS or as a dynamic pool on the radius.

Symptom When we load an FPM tcdf file on the router, a memory leak is seen. However, this is a one time operation and has minimal impact. This happens in all the advanced images where FPM is used. This memory leak is not seen until we load a tcdf file. This issue is specific to the PI11 codebase.

Conditions ipbasek9 is the only package enabled. Conditions Only for SBC proxy address configuration and only if either of the addresses is zero. Symptom cme on cadvipservicesk9-mz. For example:. Symptom Queue-limit configured in ms is not displayed in show policy-map int output.

Conditions This happens in a scenario where queue-limit is configured in ms in class-default. Symptom Chunk memory leaked while configuring the ip nat pool. Conditions While configuring the pool with subnet mask smaller than required length for the start and end ip address. Symptom Using the command default dest-ipaddr for udp-echo, udp-jitter, and tcp-connect causes a device to crash. Conditions The symptom is observed with the command default dest-ipaddr.

Workaround Do not use the command default dest-ipaddr. This sets the address to 0. Symptom A Cisco router may crash when configuring the object id in config-event-objlist subconfiguration mode. Conditions This symptom is observed when entering the cns config notify command. Symptom NIOS watchdog timer times out. Conditions This symptom is observed when an MC modem is power-cycled. Workaround Reload the router. Workaround Once the phone state changes, it will reflect the real state to the blf sessions.

Symptom The CME does not process the incoming sip message. Conditions Call forward scenario where incoming sip messsage is received. Workaround Configure : voice service voip no notify redirect ip2ip. The IOS version is Workaround Use earlier IOS such as Remove voice source-group configuration.

Conditions Happens when the CME is loaded with Workaround Call will flow through. Symptom User can not press the button configured as trunk-dn monitor to pick up the parked call. Or user cannot press the button configured as M button to speed-dial. Conditions Pressing the monitor button, no OP.

Symptom Not able to configure call-forward system redirecting-expanded. Conditions Not able to configure call-forward system redirecting-expanded on a router. Symptom After a license upgrade from 48 to 64 user license on a UC, the Cisco series phone registration fails with the following errors in debug ephone register output:. The problem only occurs when the ephone tag value for this phone registration is 56 or higher. Workaround Use an ephone tag that is of lower numerical value. Ephone 55 or lower will work.

Symptom When shared line has 2 calls, and these 2 calls disconnect at the same time, the port might hang. Symptom Build failure is happening for platform images. Conditions FXO ports are members of a huntgroup where the first member port is disconnected or down. Unconfigure max-retry. Under each port, configure "timeouts power-denial 0" so that disconnected ports are moved to offhook state and will not be hunted.

Symptom CPU profiling under interrupts is not reliable. Symptom A Cisco router reloads when trying to connect to irc. Conditions The symptom is observed only in the first 36 hours following a reload. Workaround Do not connect to irc. Conditions This happens when the CLI's parser chain was moved, hence missing them on the platforms. Need to ensure the parser chain is implemented as platform independent.

Symptom Consult transfer with third party sip endpoints results in one way audio when the third party endpoint has delayed response to resume request which includes change in rtp stream parameters i. Conditions sip supplementary services refer is disabled.

Symptom IP connectivity fails for the interface following extended pings from FastEthernet interface. The show interface command will indicate that the output queue is wedged:. No indication at this time that this is specific to these images.

This problem has not yet been seen on an interface in full duplex mode. Symptom Router reloads with a bus error and no tracebacks. The installed IOS version is any Workaround There is no known workaround available. Subsequent calls through that same channel continue to fail with "resource unavailable" cause value equal to 47 even after DSP resources have been made available to handle the call.

The call must first fail with a legitimate DSP allocation error. Any call made through the same channel as the failed call will also fail. DSP allocation failures on gateway can be checked through the use of the exec command show voice dsp group all. The last line of the show command output includes a counter for "DSP resource allocation failure".

This issue can also be seen in some cases upon bootup. When a gateway is reloaded, system resources will come up with a slightly different timing. If, for example, a PRI interface comes up before the DSP resources have fully initialized, there may be a similar failure. Workaround The workarounds are as follows:. When the gateway comes back up, take the voice-port out of shutdown.

An increase of almost 10 percent in CPU utilization is observed with every voice call. Workaround Remove the AIM compression card from the motherboard. Outbound calls to the SIP provider have one-way audio. The internal IP phone can hear the remote party, but the remote party cannot hear the internal IP phone.

Conditions TNP phones with firmware 8. Workaround Wait for about a minute, and the port will automatically recover back to registered. Symptom A call from a night hunt forwarded to BACD dial by an extension to an ephone call forwarding no answer to voicemail goes to the night hunt number and not the last redirected number.

The packets will appear as output drops on the ATM interface statistics. Under the PVC level, there are no drops. The ATM interface s need to be bridge-group configured. The bridge-group is in forwarding mode. Symptom The call-waiting tone will not be generated and the caller ID will not be displayed for the second call to a phone connected to a FXS port. Configuring either caller-id enable or caller-id enable type 2 on the FXS voice port will trigger this issue.

Workaround Configuring caller-id enable type 1 under the voice port will provide call-waiting tone. However, caller-id will not be provided for the second call. This timer dictates how long a T1 CAS, wink-start endpoint must remain offhook before completing a wink. Failure to expire the timer will cause the c to incorrectly classify a valid wink as invalid, failing outbound calls.

Conditions This can happen when there is a brief period of increased CPU usage while a call is in the process of connecting. In other words, a small spike in CPU usage can cause the time to fail to expire, thereby causing a wink failure. This may or may not help depending on the cause of the CPU spikes. A two way conversation is then established between Phone A xxx and Phone C zzz. Then the call is disconnected. With 8. Conditions If the calls come in a PRI or FXO interface, and a user on an active call on the octoline puts the call on hold while there is an incoming call, it will automatically answer the incoming call.

Approximately 13 seconds later the second call is dropped. If the user requires to put a call on hold while a new call is coming in, they must wait until the incoming call stops ringing. Symptom Memory fragmentation, no call accepted, no output for show run. Symptom A gateway may take an exception when receiving an inbound H call when the call is placed via ISDN overlap sending. Symptom Symptom A video call for a 3G H. Also, in the media sent to the endpoint, the video port is set to 0 as the debug state.

Symptom The dsp allocation signaling dspid command under voice-card on platform is not available. Conditions This issue is on platform alone. Symptom After upgrading to The amount of IO MEM allocated upon boot up of the router has not changed with respect to previous versions. This change in memory consumption is expected due to the integration of new features.

Conditions This defect is seen on

Cisco 2821 software filezilla ios 6

CME Router 2821 - Basic Voice Configuration

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