[cisco-voip] Failed Cellphone calls across MPLS network

[Andrius Kislas]

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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