[cisco-voip] SIP Trunk question

[Jim McBurnett]

So does anyone have a good idea as to why some calls on a SIP trunk will work fine with DTMF and a few fail?

IE-
Call to X - AA options don't work..
Call to Y-work fine..

3540974: Sep 27 20:22:10.677: //94442/80A9B7E01000/SIP/Media/sipSPISetMediaSrcAddr: Media src addr for stream 1 = 172.16.0.9
3540975: Sep 27 20:22:10.677: //94442/80A9B7E01000/SIP/Media/sipSPIUpdCallWithSdpInfo:
          Stream type            : voice+dtmf
          Media line             : 1
          State                  : STREAM_ACTIVE (5)
          Stream address type    : 1
          Callid                 : 94442
          Negotiated Codec       : g711ulaw, bytes :160
          Nego. Codec payload    : 0 (tx), 0 (rx)
          Negotiated DTMF relay  : rtp-nte
          Negotiated NTE payload : 100 (tx), 100 (rx)
          Negotiated CN payload  : 19
          Media Srce Addr/Port   : [172.16.0.9]:18068
          Media Dest Addr/Port   : [1.1.1.1]:15360
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