They were dropping because sipXecs responds with an Invite with no SDP, and they drop the call. Broadvox incorrectly believes there must be SDP in the Invite, but I am told that is a valid response, and one the RFC requires a response to. Broadbox simply drops it. Apparently, Mitel has the same thing, so they have made a correction to support Mitel - hence the Mitel Option.
I would encourage everyone that deals with this to escalate the issue to Patric Cook, in their engineering group to ask for a resolution. They need to fix that and start accepting Invites with no RDP. From: [email protected] [mailto:[email protected]] On Behalf Of Ken Ridley Sent: Friday, December 23, 2011 4:38 PM To: Discussion list for users of sipXecs software Subject: Re: [sipx-users] Receiving CNAM Thanks for the info I wish I would have asked this question about 4 weeks ago, spent a week testing, reloading and capturing, before Broadvox tried the Mitel option Before that all incoming calls would drop after transferring from the AA From: [email protected] [mailto:[email protected]] On Behalf Of Todd Hodgen Sent: Sunday, December 18, 2011 8:04 PM To: 'Discussion list for users of sipXecs software' Subject: Re: [sipx-users] Receiving CNAM Definitely can get Name and Number from Broadvox. I prefer to use their Legacy network, and you want to use a Static IP address with them. If you get that, you will be fine. Their new Fusion network can work as well, but they will have to apply the "Mitel" configuration on it. I've not tested fax across that, but I understand it can be problematic, per Broadvox Engineering. I can confirm that I have customers using those two configurations that do get full CNAM delivered. From: [email protected] [mailto:[email protected]] On Behalf Of Ken Ridley Sent: Sunday, December 18, 2011 4:38 PM To: Discussion list for users of sipXecs software Subject: Re: [sipx-users] Receiving CNAM The ITSP is Broadvox, they are pretty flexible, and I am told they use a national database, that is updated regularly What format is a valid header, so that I can ask them Ken From: [email protected] [mailto:[email protected]] On Behalf Of Tony Graziano Sent: Sunday, December 18, 2011 12:41 PM To: Discussion list for users of sipXecs software Subject: Re: [sipx-users] Receiving CNAM If the ITSP sends the CNAM in a valid header, it will display. All sip phones do this. This would be easier if you state who the ITSP is. Not all are the same. Not all have the best CNAM databases even if they send it. On Sun, Dec 18, 2011 at 3:17 PM, Ken Ridley <[email protected]> wrote: I believe the answer to this question is yes, but my boss wants me to verify it, before we purchase the service I have searched the Internet, the wiki, and this forum, but I can't find any info to confirm it I would like know if the Sipxecs will receive and display CNAM on a Polycom SP501 phone, from an ITSP Ken Ridley
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