Norma: Would you like to share with the group what the issue was. I'm sure that you are not the first or last to have this happen :-)
Thanks Larry Hadrava CCIE #12203 CCNP CCNA Sr. Support Engineer – IPexpert, Inc. URL: http://www.IPexpert.com On Thu, Apr 23, 2009 at 7:03 PM, Norma Exel <[email protected]> wrote: > nevermind. figured it out. i apologize as this is too far out of the > scope of the lab study. thanks anyway. -N > > ----- Original Message ----- > From: "Norma Exel" > To: "Norma Exel" , [email protected] > Subject: Re: [OSL | CCIE_Voice] SIP Trunk Issue > Date: Wed, 1 Apr 2009 23:30:48 -0500 > > Here's the ASCII drawing of the call flow... > > BR2 phone-----SIP Voip Dial-peer-----UCM Trunk----UCM----IP Phone > (sccp)----Call Transfer(no consult)(aka blind transfer)----UCM----IP Phone > (sccp) > > ----- Original Message ----- > From: "Norma Exel" > To: [email protected] > Subject: [OSL | CCIE_Voice] SIP Trunk Issue > Date: Wed, 1 Apr 2009 23:16:14 -0500 > > Here's a good one! When I make a call over a sip trunk and a sccp phone > picks up and performs a blind transfer to another sccp phone, there is no > ringback heard on the calling phone. no MTP or annunciator is configured on > the UCM cluster. Any idea where to start? I suspect UCM is not providing > the SIP leg appropriate "transferring" message when the sccp phone signals > for a transfer. My scenario doesn't affect H323 (inbound PRI) since > ringback can be heard on a blind transfer when a call comes in on a PRI. > One would believe that UCM should be able to provide the appropriate > signaling back through either the H323 or SIP trunk to reflect a call > transfer so that ringback would be heard with either trunk. Anybody with > insight to this would be greatly appreciated. > > Norma > > -- Be Yourself @ mail.com! > Choose From 200+ Email Addresses > Get a *Free* Account at www.mail.com <http://www.mail.com/Product.aspx>! > > > -- Be Yourself @ mail.com! > Choose From 200+ Email Addresses > Get a *Free* Account at www.mail.com <http://www.mail.com/Product.aspx>! > > > -- It's News. It's Reviews. It's Interviews. It's Free. What Are You > Waiting For? > www.movieline.com! >
