E1 ISDN-PRI

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Mar 11th, 2008
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It must router 3845 and I buy a card VWIC2-1MFT-T1/E1, when configure the controller (Pri-Group timeslot 1-31) leaves a message "Not enough DSP resources available", is required to have DSP so that it works like a contingency ISDN for data. The IOS is ip-voice 12.4T, thanks

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Paolo Bevilacqua Tue, 03/11/2008 - 17:33
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Hi, load a non-voice image like ipbase and you will be able to configure PRI as for data only.


Hope this helps, please rate post if it does!

Paolo Bevilacqua Mon, 03/17/2008 - 13:09
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As mentioned above, when you load an image without voice support, you will be able to do data isdn pri without dsp. Else, you will need to have dsp.


Hope this helps, please rate post if it does!

l.torres Mon, 03/17/2008 - 13:18
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It is possible to be config without DSP to receive calls ISDN and to raise data by contingency from a remote ISDN-BRI.

The command ISDN TEST CALL INTERF s 0/2/0:15

and debug. the message received is:

ISDN Se0/2/0:15 **ERROR**: call_setup_ack_proceeding: NO HDLC available b channel 14 call id 0x8009


Paolo Bevilacqua Mon, 03/17/2008 - 15:30
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Which exact IOS are you running?

This is how you configure for integrated data and voice on isdn PRI:

http://www.cisco.com/en/US/docs/ios/12_4t/12_4t11/intserv.html


Note I recommend you use 12.4(11)XJ4 for that.


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