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AMA-CUCM Troubleshooting: Best Practices for Reading Trace Files

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Enthusiast

IP Phones can communicate for sometime

Hi,

We are using Cisco IP Telephony system in our sites and Sites are connected thoguht MPLS networks. In our 2 sites when usera want to talk they talk for some time and then they feel silence of 5-7 second. Call doesnt disconnect but silcence remains. After sometime it un mutes.

Cisco IP Phones on both sites are registered in CUCM which is placed at third place.

Any idea how to fix this issue.

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Collaborator

IP Phones can communicate for sometime

Hi There,

1. Which are typically the phone models used at both ends in a call ?

2. What is the firmware version loaded in those phones ?

3. Complete CUCM version ?

GP.

Enthusiast

IP Phones can communicate for sometime

Cisco IP Phones 7911

Firmware v sccp 11-9-2

CallManager v 7.1.5

Collaborator

IP Phones can communicate for sometime

Usually, such issues are caused by firmware malfunction & upgrading it solves the issue. I suggest upgrading the 7911's to latest firmware available here http://www.cisco.com/cisco/software/release.html?mdfid=280136569&flowid=5261&softwareid=282074289&release=9.3(1)&relind=AVAILABLE&rellifecycle=&reltype=latest

Do let us know if the issue persists.

GP.

Pls rate the post if it helps !!

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