please confirm the DNS SRV records. Most softphones and ATA's have no real knowledge of SRV recods, and hostnames just wont cut it.
On Mon, Mar 5, 2012 at 10:54 PM, S.K.- G <[email protected]> wrote: > Dear Tony and All, **** > > We were able to register all our SIP softphones and ATA devices to SIPX > through the SBC.. Out main issue is that we are still not able to register > any of the Polycom phones through SBC . Please advise if you have any > documentation or information on how to get this to work.**** > > Any help is highly appreciated**** > > ** ** > > Regards**** > > Saad**** > > ** ** > > *From:* Tony Graziano [mailto:[email protected]] > *Sent:* Monday, March 05, 2012 11:57 AM > *To:* Saad > *Cc:* Discussion list for users of sipXecs software > *Subject:* Re: Phone registration Plan**** > > ** ** > > ** ** > > 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]**** > > ** ** > > Helpdesk Customers: http://myhelp.myitdepartment.net**** > > Blog: http://blog.myitdepartment.net**** > -- ~~~~~~~~~~~~~~~~~~ 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] Helpdesk Customers: http://myhelp.myitdepartment.net Blog: http://blog.myitdepartment.net
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