[cisco-voip] Off net to off net transfer using Verizon SIP Trunk

[Nick]

Thanks Bob, I have just managed to fix it by adding the the following

voice service voip
 sip
  pass-thru content sdp




On 9 February 2012 17:30, Bob Zanett (AM) <bob.zanett at dimensiondata.com>wrote:

> Nick,****
>
> Run debugs on the gateway to validate that the transfer (re-invite) is
> getting to your gateway and how it is handling it.   If CUBE, as I recall,
> it can also block this being sent out.    If it is being routed out, have
> you validated with your provider that they support this functionality?  And
> additionally, do they have specific requirements around how they want to
> see it sent?****
>
> ** **
>
> Cheers -****
>
> Bob Zanett****
>
> Technical Services Architect****
>
> Dimension Data Americas****
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Nick
> *Sent:* Thursday, February 09, 2012 11:26 AM
> *To:* cisco-voip at puck.nether.net
> *Subject:* [cisco-voip] Off net to off net transfer using Verizon SIP
> Trunk****
>
> ** **
>
> ** **
>
> Hi All****
>
>  ****
>
> I have an issue when trying to complete an off net to off net transfer for
> calls using Verizon SIP trunking, the call arrives on the SIP and then gets
> transfered back out of the SIP to an external destination, I get the
> message cannot complete transfer on the phone and the transfered part of
> the call fails but the original call stays on hold.****
>
>  ****
>
> I have got the Block offnet to offnet transfer set to False on the CUCM,
> so I think this is definitely the SIP trunks thats denying the call. Does
> anyone know which part of the SIP header may need manipulating for
> transfered calls, or anyne come across this scenario before?****
>
>  ****
>
> Regards****
>
>  ****
>
> Nick  ****
>
>
>
> itevomcid ****
>
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