I will give that a try again. Started down that road and had problems originally. I'll retrace my steps and see if I can get it to work.
Thanks for pointing that out! Andrew > -----Original Message----- > From: Tony Graziano [mailto:[email protected]] > Sent: Tuesday, February 16, 2010 6:21 AM > To: [email protected]; [email protected] > Subject: Re: [sipx-users] Problem with transfers from external calls > > You need to use sipxbridge or use another SBC. AT&T is > dropping the call because they don't support REFER. You need > to follow the steps for configuring sipxbridge AND a sip > trunk for AT&T, not an unmanaged gateway. > ============================ > Tony Graziano, Manager > Telephone: 434.984.8430 > Fax: 434.984.8431 > > Email: [email protected] > > LAN/Telephony/Security and Control Systems Helpdesk: > Telephone: 434.984.8426 > Fax: 434.984.8427 > > Helpdesk Contract Customers: > http://www.myitdepartment.net/gethelp/ > > ----- Original Message ----- > From: [email protected] > <[email protected]> > To: [email protected] <[email protected]> > Sent: Tue Feb 16 05:04:27 2010 > Subject: [sipx-users] Problem with transfers from external calls > > Good morning, > > Almost there with our system, but it appears that I have one > issue to resolve. AT&T finally got around to putting in > their IP Flex product and it works well except for transfers. > > The problem shows up in two places which seem like the same > issue. First, when an outside call comes in to the AA I try > either dial by name or dialing the extension. Both end up > recognizing the tones, announce that I will be transferred, > and then dead air. Phone to be transferred to never rings. > Second is a DID call to a phone and that phone tries to > transfer the call to another phone. Internal transfers work > and transfers work when coming in from the copper lines using > an AudioCodes MP-118 fxo gateway. > > Lay of the land.... > > Sipx is set as 172.21.210.10 and is using 4.0.4 > > Cisco 7604 router has three ports, WAN, LAN, SIP. While > setting this up with AT&T it was my understanding that I > should have an internal IP on the SIP port. We had them set > it as 172.21.210.9. Seems to work except for this. > > We setup sipx to use an unmanaged gateway that points to the > public IP AT&T gave us to connect to. > > Attached is a merged trace file that I have been looking at > in sipviewer. > Just wish I knew what I was looking for in this. The two > lines that from a newbie perspective look like possible > culprates are the "407 Proxy Authentication Required" and > "408 Request timeout". > > Everything I have been reading points be back to REFER, but I > am stuck. Any pointers or thoughts? > > > BTW - sipviewer seems like a great debug tool! > > > Andrew > _______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users sipXecs IP PBX -- http://www.sipfoundry.org/
