Cisco 2811 - unable to dial out

Unanswered Question
Aug 13th, 2008

I had a 2811 die on me (boot failure - won't come out of rommon). I swapped it out with another 2811 we had in stock, and moved the FXO card from the old one to the new one.

I copied over the same IOS and config the old one was using as well.

Everything came up fine, except outside dialing. I can't seem to configure the voice card.

conf t and then voice-card 0 returns "invalid input" at the 0. That's definitely the slot the card is in, and I've tried the other slots, and the same thing happens.

I'm not the normal Cisco guy here, he's on vacation so I'm hoping someone can help. thanks!

I have this problem too.
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mhering8650 Wed, 08/13/2008 - 09:58

Agreed it sounds like you don't have the DSP resources to run the card..

Inside the old router was a chip (looks like a sim chip) that handles Signal processing/transcoding etc...

Swap that over and see if that helps

espereir Wed, 08/13/2008 - 16:37

Hello Marc,

What is the IOS version on that GW, the image name should have a "T" in order to have voice enabled features.

Please post the output of a "show version" and a "show diag" commands.

Hope this helps!

mhering8650 Thu, 08/14/2008 - 05:24

Also do a show ver and see if the FXO ports are being recognized...If it doesn't list them and says "Unknown device" then you have the wrong IOS

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