You may want to try and capture some of that traffic with wireshark/ethereal to see how it is coming to your system from Call Manager.
If the traffic is coming from the IP address of the CM server, use the IP address in your gateway definition on the sipXecs side. If the traffic is coming from a SIP domain, you should use the SIP domain in the gateway definition and make sure that your sipXecs server has the proper DNS records to resolve the domain name. Mike From: sipx-users-boun...@list.sipfoundry.org [mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of arda savran Sent: Wednesday, July 01, 2009 1:03 PM To: sipx-users@list.sipfoundry.org Subject: [sipx-users] SIP trunk between Cisco Callmanager 6 and SIPXECS I built a SIP trunk between a CUCM6 and SIPXECS server in our lab. Everything in CUCM6 regarding SIP trunk is set to non-secure standard. I can make phone calls from the phones registered to the sipxecs server to the phones registered to CUCM6 server. However, when I try the the other way around, the sipxecs server sends a 407 Proxy authentication required message back to CUCM6 and the call fails. I only hear a fast busy signal on the phone which is registered to CUCM6. On sipxecs, I set up the trunk as unmanaged gateway. Any ideas on how to disable this 407 proxy authentication? Or any ideas on how to configure CUCM to respond those requests from sipxecs properly? Thanks ________________________________ Windows Live(tm) SkyDrive(tm): Get 25 GB of free online storage. Get it on your BlackBerry or iPhone. <http://windowslive.com/online/skydrive?ocid=TXT_TAGLM_WL_SD_25GB_062009 > Checked by AVG - www.avg.com Version: 8.5.375 / Virus Database: 270.13.1/2212 - Release Date: 07/01/09 05:53:00
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