[cisco-voip] Routing calls from PRI inbound MGCP to outbound MGCP T1 CAS

Ryan Ratliff rratliff at cisco.com
Thu Dec 28 14:53:10 EST 2006


Calls getting dropped on connect are usually a sign of codec  
mismatch.   What is the disconnect cause on the PRI side?

-Ryan

On Dec 28, 2006, at 2:32 PM, Wydra, Jason wrote:

Hello - I am trying to place an inbound call into a 2851 using a MGCP  
controlled PRI. When this call gets to CCM, I have a translation  
pattern that translates the called number to a 4 digit extension on  
my legacy IVR. The 4 digit extension is then sent out a H323  
controlled T1 CAS trunk on the same 2851. I can see the call go  
through when I call the number from my cell phone. It seizes a PRI  
channel and a CAS channel. I hear 1 ring from the IVR and then the  
call disconnects. I can see on the IVR GUI that a channel is also  
seized and it starts to play a greeting. I don't believe the IVR is  
hanging up because I lose my connection while I still see the IVR  
playing a greeting. Any thoughts on how I can fix this?

Thanks,
Jason

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