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Community Member

Line hangs in newest IP 9951 software: 9.4.1.9

Hi all

I'm seeing an annoying issue in newest 9.4.1.9 IP 9951 software. I have seen it on several phones now.

I'm not sure what is triggering the issue, but line 1 is somehow locked after a call. However it's possible to use the other lines, but line 1 is completely frozen/locked. The only thing to do is to sign in and sign out (Mobility) or restart the phone. I have never seen this issue in older software versions.

It's happening intermittently. I'm not sure of this but maybe it's only happen with call from the contact center or a HL. But again, I'm not quite sure about this.

I have attached two screens showing the issue.

Any suggestions or maybe I should contact TAC.

CUCM version: 8.6.2.22900-9

Thanks

Kristian

Everyone's tags (7)
6 REPLIES

Line hangs in newest IP 9951 software: 9.4.1.9

Seems to be a bug, I would open a TAC case.

Voice CCIE #37771
Cisco Employee

Line hangs in newest IP 9951 software: 9.4.1.9

Hi Kristian,

I could not find any related bugs for this firmware. However, there are a few things that can be checked before contacting TAC.

Are the affected 9951's confined to a specific site or is it spread across various sites?

Is the issue seen after recieving / making a PSTN call only or with internal calls as well?

Detailed cucm traces should be enabled and this may also require debugs from the 9951 if TAC needs to investigate it.

https://supportforums.cisco.com/docs/DOC-16924

HTH

Manish

Community Member

Line hangs in newest IP 9951 software: 9.4.1.9

We only have one site.

I'm not sure if it's PSTN only or also internal calls. However I have a feeling it's only related to PSTN calls. As I remember, I have only seen the issue on phones that are logged in into a HL, a phone that have picked up a call from a phone that are logged in into a HL, or on a phone from our reception (UCCX). 

Were do I enable detailed CUCM traces?

Cisco Employee

Line hangs in newest IP 9951 software: 9.4.1.9

Hi Kristian,

Following link explains the procedure to set the traces and to collect them using RTMT

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a0080094e89.shtml

Manish

Community Member

Was your issue resolved with

Was your issue resolved with the 9.4(2) firmware?

Community Member

Haven't installed 9.4(2) yet,

Haven't installed 9.4(2) yet, but will try it very soon.

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