Was one of the supp service changes you tried: "send send-receive SDP in mid-call INVITE?"<div><br></div><div>Can you post your SIP control messaging?<span></span><br><div><br></div><div><p class="pB1_Body1" style="margin:1px 0em 6px;font-size:20px;font-family:Arial,Helvetica,sans-serif">
To prevent Cisco Unified Communications Manager from sending an INVITE a=inactive SDP message during call hold or media break during supplementary services, edit the appropriate SIP profile, and check the <b class="cBold">Send send-receive SDP in mid-call INVITE</b> check box.</p>
<a name="wp1162861" style="font-size:13px;font-family:Arial,Helvetica,sans-serif"></a><p class="pNT_NoteTable" style="font-family:Arial,Helvetica,sans-serif;font-size:20px;margin:0px 0em 7px 0.4in"><b>Note </b><img src="http://www.cisco.com/c/dam/en/us/td/i/templates/blank.gif" alt="" width="1" height="2" border="0" style="border-width: 0px;">This check box applies only to early offer enabled SIP trunks and has no impact on SIP line calls.</p>
Source: <a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_5_1/ccmsys/accm-851-cm/a08trnk.html#wp1150004">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_5_1/ccmsys/accm-851-cm/a08trnk.html#wp1150004</a></div>
<div><br></div><div>-Anthony</div><div><br>On Wednesday, April 30, 2014, Dana Tong <<a href="mailto:Dana_Tong@bridgepoint.com.au">Dana_Tong@bridgepoint.com.au</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Good evening all,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">A colleague and myself have discovered an issue where a Blind transfer has one-way audio.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">The scenario is as follows:<u></u><u></u></p>
<p class="MsoNormal">IP Phone to IP phone call<u></u><u></u></p>
<p class="MsoNormal">Transfer to off-net mobile via SIP Trunk (via CUBE)<u></u><u></u></p>
<p class="MsoNormal">Blind Transfer<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">When the remote person answers the phone, there is audio heard on the remote party, but nothing on the IP phone.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">The SIP trace SDP appears OK. The IP addresses seem to be c=IN IP is correct.
<u></u><u></u></p>
<p class="MsoNormal">The web page for the phone reports Stream = Not Ready.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Does anyone have any tips or thoughts on this issue? Have tried a number of config changes with respect to supplementary services on the CUBE, and MTP etc on the CUCM Trunk.<u></u><u></u></p>
<p class="MsoNormal"><br>
Cheers<u></u><u></u></p>
<p class="MsoNormal">Dana<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
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