[cisco-voip] CUCM CFA to SIP Trunk Fails

[Mike Lydick]

I would look at modifying the diversion header in the gateway if you can and
your provider supports authentication on the diversion header. This way the
calling ID of the forwarded call will be retained. The other method will
overwrite the calling ID.


voice class sip-profiles 1
request INVITE sip-header Diversion modify “<sip:(.*)@(.*)>” “<
sip:722555000 at 5.5.5.5>”

!replace with number/ip

dial-peer voice XXX voip
dial-peer voice 100 voip
 description OUTBOUND to VzB
 translation-profile outgoing DIGITSTRIP-9
 preference 1
 destination-pattern 9T
session protocol sipv2
 session target sip-server
 voice-class codec 1 offer-all
voice-class sip profiles 1
 dtmf-relay rtp-nte
 no vad


Best Regards,

Mike Lydick




On Tue, May 31, 2011 at 8:13 AM, Rynard Coetzee
<Rynard.Coetzee at bytes.co.za>wrote:

>  Hi There
>
> I have an issue with forwarding of calls from a DN on CUCM to a PSTN number
> that is routed across a SIP trunk ,i can call the PSTN number directly but
> when i forward the DN to the number the call fails when dialled from a
> different phone. If i dial only the extension of the DN the call proceeds
> though ,it only happens when dialling the DID number.
>
> Any ideas ?
>
>
>
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