Connecting CS1000 to Cisco 2921 and routing SIP to POTS

lastation4 · Jun 12, 2025

So I've got an intersting issue to deal with here. I've got a SIP trunk that comes into my cisco 2921. I need to route calls coming down that SIP trunk to the CS1000. I think this is done with a dial-peer pots but so far I have no success. Any tips?

Shaun E · Jun 16, 2025

What interface card between the 2921 and CS1000? I personally use a VWIC3-4MFT-T1/E1 card to link to my Avaya G650 (which would have the same setup on the Cisco side).

If you don't have it already you'll need a PVDM3 module to do the transcoding between IP and TDM.

lastation4 · Jun 24, 2025

Yep telling me about the transcoder in the cube helped me fix it. Thanks!

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Connecting CS1000 to Cisco 2921 and routing SIP to POTS

lastation4

IS-IT--Management

Shaun E

Systems Engineer

lastation4

IS-IT--Management

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