ISR to CUCM (with sip-digest)

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Jun 16th, 2009
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Hi Forum,

I have the requirement to connect a CUCM to an ISR Router (e.g. 28xx) via a SIP Trunk.

Of course, this shouldn't be a problem.

BUT. I need to authenticate the gateway to the cucm via SIP-digest (please don't ask why :-).

On CCO I found out, that a authentification on a CUCM sip-trunk should be possible (see on:

I was wondering what has to be done on the ISR gateway. Is this possible and when yes what has to be configured??

Best regards.


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torsten.brink Mon, 06/22/2009 - 23:27
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Hi Parshah,

sorry for my late reply. Thanks for your link it helped me a lot.



parshah Tue, 06/23/2009 - 09:20
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  • Cisco Employee,


Glad to know it helped you out. If the link helped answer your questions kindly update the thread to denote that.



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