Cisco 2911 CME router - FXO port loop issue

[rajesh.kumar]

We have Cisco CISCO2911/K9 configured as CME - with IOS c2900-universalk9-mz.SPA.154-3.M1

Often we face problem of  all the voice ports are stuck with same number, as shown below.

FXO ports are not releasing calls and all the ports displaying same PSTN number and no one else can make or receive calls.

Once we shut and no shut voice ports, then FXO port becomes free for calls.

RTR-01#sh voice call status
CallID CID ccVdb Port Slot/DSP:Ch Called # Codec MLPP Dial-peers
0x7F1B 3481 0x22AFF3C4 0/0/1 0/1:2 501055XXXX g711ulaw 101/100
0x7F10 3477 0x3EDF0394 0/0/0 0/1:1 *501055XXXX g711ulaw 100/101
1 active call found

Pls. suggest

Rajesh Kumar

[Manish Gogna]

Hi Rajesh,

This looks to be the common fxo disconnect supervision not working issue as described in the following link

http://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/8120-fxo-disconnect.html#topic1

Please check if the FXO ports have been configured accordingly, there are numerous posts on CSC related to this issue like the one below, important part is getting/decoding the correct settings for your setup

https://supportforums.cisco.com/discussion/11497226/fxo-lines-stuckhang-2801-cme

Manish

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