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Bronze

PIX to 2811 VPN with Voice Questions

Hi all,

I configured VPN between PIX 525(Headquators) to 2811 with AIM (Remote Site). My configure is based on this:

http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a0080094498.shtml

Everything is working fine with data. But we have problem with voice.

For instance:

1. IP phone (remote site) call to IP Phone (Headquator)--> no problem.

2. IP Phone (Remote Site) call PSTN by using T1 PRI at headquator ---> no problem. FXO will be installed locally later for 911 service.

3. IP Phone (Remote site) call IP Phone (remote site) at same location, just ring, but no audio (both way).

Anyone know why??? Please help...

Thanks

2 REPLIES

Re: PIX to 2811 VPN with Voice Questions

So signalling between callmanager and phones are happening properly (thats why it rings the ip phone), but no audio on the stream which is a p2p connection between the two phones (HQ or callmanager is out of the picture, once you pick up the phone and start speaking). Is this happening on every phone , or just the 2 phones in question ?

Bronze

Re: PIX to 2811 VPN with Voice Questions

I have similar set up at my home office too.

It is between PIX to PIX VPN.

It happen here too:

IP phone (home) call to IP Phone (headquator)--> no problem.

IP Phone (home) call PSTN through T1 PRI at headquator --> no problem.

IP phone (home) call ATA 188 (home) --> ring, but no audio (both way).

I have no clue now....

Thanks

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