[cisco-voip] Call drops after taking off hold

[Rynard Coetzee]

Hi Carlo
No ,I am not running multicast MoH

From: Carlo [mailto:carlo_calabrese2006 at yahoo.com]
Sent: 30 January 2013 04:27 PM
To: ROZA, Ariel
Cc: Rynard Coetzee; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Call drops after taking off hold


Are you running Multicast for your MOH?  try turning it off and see if it clears the problem. Please let me know. I have a problem with Multicast doing almost the same thing. I am running SIP


Sent from my iPad

On Jan 29, 2013, at 8:22 AM, "ROZA, Ariel" <Ariel.ROZA at LA.LOGICALIS.COM<mailto:Ariel.ROZA at LA.LOGICALIS.COM>> wrote:
Rynard,

About the explanation… It seems that the H323 Gateway does not like the IP Address change when you put the call on hold. The audio stream source ip address changes from your phone to the assigned MOH server, and when you release the call, it goes back from the MOH server to your phone.
The use of MTP masks this behavior to the gateway.

I would check that the Gateways IOS is updated.

Hth,

Ariel.

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net]<mailto:[mailto:cisco-voip-bounces at puck.nether.net]> On Behalf Of Rynard Coetzee
Sent: lunes, 28 de enero de 2013 11:29 a.m.
To: Carlo
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] Call drops after taking off hold

Not in my case ,I can actually see the MTP resources are active and in use on my GW ,using show sccp connections .

From: Carlo [mailto:carlo_calabrese2006 at yahoo.com]<mailto:[mailto:carlo_calabrese2006 at yahoo.com]>
Sent: 28 January 2013 04:23 PM
To: Rynard Coetzee
Cc: Ahmed Elnagar; Wes Sisk; cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] Call drops after taking off hold

We ran into the same problem when we upgraded to 8.6 and we use SIP.  TAC said CUCM will ask for the resource but never uses it.

Sent from my iPad

On Jan 28, 2013, at 12:16 AM, Rynard Coetzee <Rynard.Coetzee at bytes.co.za<mailto:Rynard.Coetzee at bytes.co.za>> wrote:
Hi
MoH did work ,call only fails when trying to resume from being placed on hold. Basically the problem seems to be resolved by forcing the GW to use MTP ,this is what I don`t understand ?

From: Ahmed Elnagar [mailto:ahmed_elnagar at hotmail.com]<mailto:[mailto:ahmed_elnagar at hotmail.com]>
Sent: 27 January 2013 04:20 PM
To: 'Wes Sisk'; Rynard Coetzee
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: RE: [cisco-voip] Call drops after taking off hold

Check you media termination point configuration also.

Regards,
Ahmed Elnagar | Unified Communication Team Leader | CCIE #24697, Voice
<image001.jpg>

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net]<mailto:[mailto:cisco-voip-bounces at puck.nether.net]> On Behalf Of Wes Sisk
Sent: Friday, January 25, 2013 6:33 PM
To: Rynard Coetzee
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] Call drops after taking off hold

Typically this happens because the hold actually failed. did the PSTN user actually hear music on hold? look for codec mismatches or misconfiguration in delivering MoH to the PSTN caller.

/wes

On Jan 21, 2013, at 11:55 PM, Rynard Coetzee <Rynard.Coetzee at bytes.co.za<mailto:Rynard.Coetzee at bytes.co.za>> wrote:

Hi
I have the following scenario at a client site ,call comes from PSTN via H323 GW ,I can answer the call and place the caller on hold ,when I try and resume the call ,the Telco drops the call with a “ Bearer capability not implemented” error. Any ideas what the problem could be ?
Regards
Rynard
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