[cisco-voip] ISDX - Call Manager transfer issue

[Ryan Ratliff]

With MGCP gateways you don't typically need to transcode.  Failing to allocate an MOH server due to codec mismatch should just you tone on hold, not drop the call.

You'll need to look at the ccm traces to see what is going on.

-Ryan

On Jun 18, 2010, at 11:12 AM, Damian Turburville wrote:

> Ryan,
> No, pressing hold cuts the call off as well.
> When you say a "media negotiation failure" would this be a transcoding or MTP issue do you think?
> Thanks,
> Damian
> 
> 
> From: Ryan Ratliff <rratliff at cisco.com>
> To: Damian Turburville <d_turburville at yahoo.com>
> Cc: cips <cisco at cips.nl>; cisco-voip mailinglist <cisco-voip at puck.nether.net>
> Sent: Fri, June 18, 2010 2:58:44 PM
> Subject: Re: [cisco-voip] ISDX - Call Manager transfer issue
> 
> Can they put the call on hold without using the transfer feature?  When the first transfer button is pressed all that happens is the call is placed on hold.
> 
> Your debug shows CCM is sending the disconnect with cause "resources unavailable, unspecified".  This is going to be a media negotiation failure.
> 
> -Ryan
> 
> On Jun 18, 2010, at 8:36 AM, Damian Turburville wrote:
> 
>> Thanks for looking at this.
>> 
>> The call is cut off as soon as the transfer button is pressed for the first time so they do not get to enter any digits.
>> 
>> Please see attached files for debugs and screenshots.
>> 
>> Cheers,
>> Damian
>> 
>> From: cips <cisco at cips.nl>
>> To: Damian Turburville <d_turburville at yahoo.com>
>> Cc: cisco-voip mailinglist <cisco-voip at puck.nether.net>
>> Sent: Fri, June 18, 2010 1:19:45 PM
>> Subject: RE: [cisco-voip] ISDX - Call Manager transfer issue
>> 
>> Also make a call and, do the transfer while running a debug isdn q921 and debug isdn q931.
>>  
>> Is the call cut-off as soon as the transfer button is presses by the user, for the first time? Or is the call cut-off  when the user presses the transfer button for the second time, to really make the transfer?
>> Where does the user do a transfer to? Internal external? Or back to the ISDX?
>>  
>> Please attach a screenshot of the GW configuration in the CM.
>>  
>> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Damian Turburville
>> Sent: vrijdag 18 juni 2010 13:48
>> To: cisco-voip at puck.nether.net
>> Subject: [cisco-voip] ISDX - Call Manager transfer issue
>>  
>> Hi,
>> Hopefully one of you clever people out there can help me out with a problem we are having.
>> The setup is as follows
>> 
>> Siemens ISDX
>>     sending DPNSS to
>> Westell protocol Convertor
>>     converting to qsig and sending to
>> Cisco 2651XM MGCP gateway
>>     connected across WAN to 
>> Cisco Call Manager 4.1(2)
>> 
>> The problem is that when someone on the isdx places a call to a cisco phone on the CCM 4.1 and the cisco phone (7912 or 7960 series) attempts to press the transfer button the call is cut off.
>> We have run a "debug MGCP events" on the gateway but are having trouble interpreting it, if anyone can lend a hand it would be greatly appreciated.
>> 
>> I have attached text files with the MGCP debug output along with the gateway config and the output of the show version command. If there is anything else that may help please let me know.
>> 
>> Thanks,
>> Damian
>>  
>> 
>> <2651xm debug isdn q921.txt><2651xm debug isdn q931.txt><CCM gateway screenshots.doc>_______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
> 
> 
> 

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