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Silver

CUE IVR transfer to Lync

Hi,

We have a CUE IVR that sometimes has to transfer to Lync server using a SIP dial peer.

When the call is going directly to the SIP dial-peer, the lync phone rings and we talk.

When the CUE IVR is involved the lync server refuses the connection with the error message:

SIP/2.0 488 Invalid incoming Gateway SDP: Gateway ParseSdpOffer Error: No DTMF support on Gateway side.

On the Lync side we can do nothing, On the Cisco side can we use sip-profiles to 'force' DTMF support in the SIP INVITE?

And if so what exactly should we use?

Has anyone an idea?

Thanks,

Jan

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Silver

CUE IVR transfer to Lync

OK, seemed to have been solved by adding:

dtmf-relay sip-kpml rtp-nte sip-notify

On the dial-peer

Jan

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