[cisco-voip] [cisco-VoIP] SIP trunk one way audio

[Nick Matthews]

I would make sure you're on the latest greatest code (15.1.T?) and you have
this command:

voice service voip
midcall-signalling passthru

(This is mandatory for sip-sip cubes to use supplementary features.  Any
time you have sip-sip I would put this on.)

-nick

On Thu, Nov 11, 2010 at 4:03 PM, Mark Holloway <mh at markholloway.com> wrote:

> What version of IOS? It almost sounds like an IOS bug. Also paste your
> voice service voip and dial peers.
>
>
> On Nov 11, 2010, at 1:53 PM, Bill Riley wrote:
>
> SCCP
>
> *From:* Buchanan, James [mailto:jbuchanan at presidio.com]
> *Sent:* Thursday, November 11, 2010 2:44 PM
> *To:* Bill Riley; 'Mark Holloway'
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] [cisco-VoIP] SIP trunk one way audio
>
> Are your IP phones running SCCP or SIP?
>
> *James Buchanan *|* Technology Manager, UC *| *South Region *|* Presidio
> Networked Solutions
> 12 Cadillac Dr, Suite 130, Brentwood, TN 37027 *|* **
> jbuchanan at presidio.com <jbuchanan at ctiusa.com>
> **D: 615-866-5729* | *F:* *615-866-5781* | *www.presidio.com*
>
> *CCIE #25863, Voice*
>
> *From:* Bill Riley [mailto:bill at hitechconnection.net]
> *Sent:* Thursday, November 11, 2010 2:40 PM
> *To:* 'Mark Holloway'
> *Cc:* Buchanan, James; cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] [cisco-VoIP] SIP trunk one way audio
>
> Same LAN, No, No, and NO.
>
> *From:* Mark Holloway [mailto:mh at markholloway.com]
> *Sent:* Thursday, November 11, 2010 2:40 PM
> *To:* Bill Riley
> *Cc:* 'Buchanan, James'; cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] [cisco-VoIP] SIP trunk one way audio
>
> On the same LAN or does it traverse another router to reach the other
> phone?  Is there any NAT, access lists, or firewalls between the two phones?
>
>
> On Nov 11, 2010, at 1:14 PM, Bill Riley wrote:
>
>
> Another internal extension.
>
> *From:* Mark Holloway [mailto:mh at markholloway.com]
> *Sent:* Thursday, November 11, 2010 2:08 PM
> *To:* Bill Riley
> *Cc:* 'Buchanan, James'; cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] [cisco-VoIP] SIP trunk one way audio
>
> Are you forwarding back to the PSTN or to another internal extension?
>
>
> On Nov 11, 2010, at 11:48 AM, Bill Riley wrote:
>
>
> Anyone else?
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Bill Riley
> *Sent:* Thursday, November 11, 2010 12:14 PM
> *To:* 'Buchanan, James'
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] [cisco-VoIP] SIP trunk one way audio
>
> Whatever the default setting. When I go into Voice-services-voip to
> configure it globally all I have is media forking.
>
> *From:* Buchanan, James [mailto:jbuchanan at presidio.com]
> *Sent:* Thursday, November 11, 2010 12:09 PM
> *To:* Bill Riley
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] SIP trunk one way audio
>
> Are you using media flow-around or flow-through?
>
> *James Buchanan *|* **Technology Manager, UC *| *South Region *|* **Presidio
> Networked Solutions
> 12 Cadillac Dr, Suite 130, Brentwood, TN 37027 *|* **
> jbuchanan at presidio.com <jbuchanan at ctiusa.com>
> **D: 615-866-5729* | *F:* *615-866-5781* | *www.presidio.com*
>
> *CCIE #25863, Voice*
>
> *From:* Bill Riley [mailto:bill at hitechconnection.net]
> *Sent:* Thursday, November 11, 2010 12:06 PM
> *To:* Buchanan, James
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] SIP trunk one way audio
>
> Sip
>
> *From:* Buchanan, James [mailto:jbuchanan at presidio.com]
> *Sent:* Thursday, November 11, 2010 12:05 PM
> *To:* Bill Riley
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] SIP trunk one way audio
>
> Is your trunk SIP or H323 into UCM?
>
> *James Buchanan *|* **Technology Manager, UC *| *South Region *|* **Presidio
> Networked Solutions
> 12 Cadillac Dr, Suite 130, Brentwood, TN 37027 *|* **
> jbuchanan at presidio.com <jbuchanan at ctiusa.com>
> **D: 615-866-5729* | *F:* *615-866-5781* | *www.presidio.com*
>
> *CCIE #25863, Voice*
>
> *From:* Bill Riley [mailto:bill at hitechconnection.net]
> *Sent:* Thursday, November 11, 2010 11:52 AM
> *To:* Buchanan, James
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] SIP trunk one way audio
>
> Well according to TAC if the call is sip to sip I shouldn’t need the MTP at
> all.
>
> I thought MTP required check box allocated the MTP if it needed one or not
> and leaving it unchecked  allocated the MTP if it needed to use one.
>
> *From:* Buchanan, James [mailto:jbuchanan at presidio.com]
> *Sent:* Thursday, November 11, 2010 11:49 AM
> *To:* Bill Riley
> *Subject:* RE: [cisco-voip] SIP trunk one way audio
>
> Because it won’t invoke the MTP without it.
>
> *James Buchanan *|* **Technology Manager, UC *| *South Region *|* **Presidio
> Networked Solutions
> 12 Cadillac Dr, Suite 130, Brentwood, TN 37027 *|* **
> jbuchanan at presidio.com <jbuchanan at ctiusa.com>
> **D: 615-866-5729* | *F:* *615-866-5781* | *www.presidio.com*
>
> *CCIE #25863, Voice*
>
> *From:* Bill Riley [mailto:bill at hitechconnection.net]
> *Sent:* Thursday, November 11, 2010 11:19 AM
> *To:* Buchanan, James
> *Subject:* RE: [cisco-voip] SIP trunk one way audio
>
> No I don’t have “MTP Required” Checked. The MTP’s are set to only use
> G.711. I don’t see why I need  to have MTP Required on this trunk.
>
> *From:* Buchanan, James [mailto:jbuchanan at presidio.com]
> *Sent:* Thursday, November 11, 2010 11:12 AM
> *To:* Bill Riley
> *Subject:* RE: [cisco-voip] SIP trunk one way audio
>
> Dumb question—I assume you have “MTP Required” checked, are set to use only
> G711 to the MTP, and reset the SIP trunk after setting it? If you require
> G729, you will need to setup an IOS MTP. These do not use DSPs, but will
> allow other codecs besides G711.
>
> *James Buchanan *|* **Technology Manager, UC *| *South Region *|* **Presidio
> Networked Solutions
> 12 Cadillac Dr, Suite 130, Brentwood, TN 37027 *|* **
> jbuchanan at presidio.com <jbuchanan at ctiusa.com>
> **D: 615-866-5729* | *F:* *615-866-5781* | *www.presidio.com*
>
> *CCIE #25863, Voice*
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Bill Riley
> *Sent:* Thursday, November 11, 2010 10:15 AM
> *To:* cisco-voip at puck.nether.net
> *Subject:* [cisco-voip] SIP trunk one way audio
>
> I have a new SIP trunk terminating in a 2921 CUBE bundle. When I call in
> from the Trunk directly to an IP phone it works correctly. If I call from
> the trunk to IP phone and the IP phone transfers the call without waiting
> for the remote party to answer I get one way audio. From reading this looks
> like and MTP issue but I have an MTP set in the MRGL for the trunk.
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