[cisco-voip] Failed Cellphone calls across MPLS network

[Ryan Ratliff]

That is a very common problem with people just rolling out VTA  
unfortunately.  I belive the disconnect in that case though will come  
from the Telco with a cause of "bearer-cap not implemented".

-Ryan

On Jun 27, 2006, at 11:49 AM, Andrius Kislas wrote:

I had a situation when it rings once and disconnects when VT Advantage
was on. I had to overwrite bearer channel capability to "Speach" on
voice-port.

Andrius

Ryan Ratliff wrote:
> Depends on who is sending the disconnect with cause 0x80AF.  If CM is
> sending this then it is going to be a codec mismatch.    The fact
> that it rings once before disconnecting probably means that it fails
> when the cell phone answers the call.
>
> -Ryan
>
> On Jun 27, 2006, at 11:10 AM, Voll, Scott wrote:
>
> Could it be a resource (transcoding) / or codec problem?
>
>
>
> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-
> bounces at puck.nether.net] On Behalf Of Sechaba Mokoena
> Sent: Tuesday, June 27, 2006 7:32 AM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] Failed Cellphone calls across MPLS network
>
>
>
> Hi,
>
>
>
> I'm having trouble dialing cellphone numbers from an IP phone at a
> remote branch. Basically I have three sites which I will refer to as
> JHB,DBN, and CPT. My CallManager is at the JHB site with a 2821
> router using an E1 for PSTN access. All sites are connected to each
> other through an MPLS network. The phones at the DBN and CPT sites
> register with the CallManager at the JHB site. All landline calls
> made from the DBN and CPT sites breakout via BRIs on 2821 routers
> located at each site. My client wants all cellphone calls made at the
> DBN and CPT sites to break out on the JHB 2821 router to make use of
> Leased Cost Routing. I have created specific route patterns for this
> requirement directing all cellphone calls to the gateway in JHB. When
> placing a call to a cellphone, it rings once and the call is dropped.
> I ran isdn q931 debugs on the JHB router and found this: Cause i =
> 0x80AF - Resource unavailable, unspecified. Cellphone calls made from
> JHB go through without any problems, does anyone have any suggestions?
>
>
>
> Regards,
>
>
>
> Sechaba Mokoena
>
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