[cisco-voip] Failed Cellphone calls across MPLS network

[Sechaba Mokoena]

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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