[cisco-voip] Phones Ring but no voice? CME- to other Router

[Robin Clayton]

>>> Tim Smith <thsglobal at gmail.com> 17/06/2009 05:43 >>>
>Hi,
>What are the FXO ports sitting in in the 2651. 
I will have to check exactly.
>It does not have dedicated onboard VIC slots. Are they in a Network Module? Do you have PVDM's installed? a voice AIM?
 
They are in a NM-2V which from what I can tell has DSP's for up to four calls, I know that if the codec complexity is set to high on the 1760 only 2 out of 4 ports will show up. So I assume that the fact I can see the ports and they work to each other that there must be a PVDM. Not sure about AIM?
 
>This is going back a long time, and it was discussed here recently.
I could not find anything....
 
>On 2600's I believe VWIC's work in WIC slots with the AIM module for DSPs. But I dont think this will work for a dedicated VIC card.. I believe they would have to sit in a voice NM on the >side.
 
Yep, only WIC's are supported in the main chassis, VWIC and VIC require a carrier module. Which I have.
 
 
 
Cheers
 
Rob
 
 
>Cheers,
>Tim

On Mon, Jun 15, 2009 at 9:36 PM, Robin Clayton <Robin.Clayton at rrca.org.uk> wrote:


Test Lab Setup is.
1760 with CME4 and 2 7940's
Conected via ethernet to
2651 with 2 POTS on FXO's
Call from 7940 to 7940 work fine
Call from POTS to POTS work fine
Previously with FXO in the 1760, 7940 to POTS worked fine.
Now when I try to place a call between the CME router and the other router or vice versa, the phones ring as expected but then there is no voice between the phones. 
Has anyone got any ideas as I am realy scratching my head on this now and getting frustrated.
Thanks
Robin
===============================
Robin Clayton
Network Manager 
Tel: 01228822075 


Richard Rose Central Academy 
Edgehill Road 
Carlisle 
Cumbria 
CA1 3SL 

Tel: 01228 822060 
Fax: 01228 822061 

http://www.richardroseacademies.org/ 

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