Tony, I believe this exactly is what we are trying to follow. Please correct me if I am wrong: The Polycom phones will use the public DNS of the SBC for registration instead of the public DNS of SIPX. Not sure if any config changes needs to be done on SIPX though
Regards Saad On Mon, Mar 5, 2012 at 11:57 AM, Tony Graziano <[email protected] > wrote: > > > On Mon, Mar 5, 2012 at 11:38 AM, Saad <[email protected]> wrote: > >> Hello, >> >> >> We are experiencing a very annoying issue where all outbound calls are >> getting disconnected after 30 minutes. pressing Hold then Unhold will >> recover the audio path. >> >> As per the sniffer we see when a call is created by SIPX (either initial >> or after pressing hold / Unhold), the SIP 200 Message is sent from the SBC >> to SIPX with the public IP of the SBC in the SDP packet. SIPX establishes >> the connection first and all is well. >> >> In the middle of a call, after 30 minutes, a RE-INVITE happens from the >> ITSP side of the connection. Since the packets are flowing in a different >> direction, the SIP 200 Message flows in the opposite direction, and the SBC >> attempts to connect to the SDP IP address in the packet, which is being >> identified as an internal IP address (Polycom Phone IP address). >> >> >> Tony Graziano has suggested to us previously to have all phones >> registered directly to the SBC instead of SIPX . We finally will receive a >> help from ACME (SBC team) to help us on configuring a registration plan >> for the Polycom phones on the SBC. >> > > Incorrect. I've always stated the SBC should pass the connections through > to sipx using the public DNS / SRV records pointing to the SBC. > >> >> Kindly let me know : >> 1. What configuration changes need to be done on the phones to >> achieve this requirement. >> 2. Any changes required on the SIPX server side to make this >> registration work? >> >> Kind Regards >> Saad Khankan >> >> > > > -- > ~~~~~~~~~~~~~~~~~~ > Tony Graziano, Manager > Telephone: 434.984.8430 > sip: [email protected] > Fax: 434.465.6833 > ~~~~~~~~~~~~~~~~~~ > Linked-In Profile: > http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4 > Ask about our Internet Fax services! > ~~~~~~~~~~~~~~~~~~ > > LAN/Telephony/Security and Control Systems Helpdesk: > Telephone: 434.984.8426 > sip: [email protected].**net<[email protected]> > > Helpdesk Customers: > http://myhelp.myitdepartment.**net<http://myhelp.myitdepartment.net> > Blog: http://blog.myitdepartment.net >
_______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users/
