Hi, I am trying to do a peculiar task and I want to find out if SER can do it. The issue is with call transfers which generate the REFER message. I am connecting a Nortel voip switch to Asterisk via sip. I need to have all call transfers generated by the Nortel switch to not reach Asterisk as all the call transfers are done to dids/extensions not found on the Asterisk PBX. Instead I would like to intercept / re-route them back to my Nortel switch which can handle it. Currently I have a workaround using an Audiocodes gateway with loopback cables. The Audiocodes when sees the transfer request sends it back to the Nortel switch. As this is a wasteful use of expensive hardware I would like to find another method to do this. Can someone let me know if this is possible with SER? And if it is which functions do I use? Any help is greatly appreciated.
Mirek The Future of Voice Globalive Communications Corp. T: 416-640-1088 F: 416-640-1089 60 Adelaide St. E, 6th Floor Toronto, ON, M5C 3E4 www.globalive.com
I'm not sure if I understand what you want to accomplish, but I would say that if you can get the REFERs to SER, then you can do whatever you want with them. g-) ----- Original Message ----- From: Miroslaw Nawrot To: serusers@lists.iptel.org Sent: Friday, October 14, 2005 02:46 AM Subject: [Serusers] Handling of REFER messages
Hi, I am trying to do a peculiar task and I want to find out if SER can do it. The issue is with call transfers which generate the REFER message. I am connecting a Nortel voip switch to Asterisk via sip. I need to have all call transfers generated by the Nortel switch to not reach Asterisk as all the call transfers are done to dids/extensions not found on the Asterisk PBX. Instead I would like to intercept / re-route them back to my Nortel switch which can handle it. Currently I have a workaround using an Audiocodes gateway with loopback cables. The Audiocodes when sees the transfer request sends it back to the Nortel switch. As this is a wasteful use of expensive hardware I would like to find another method to do this. Can someone let me know if this is possible with SER? And if it is which functions do I use? Any help is greatly appreciated.
Mirek
The Future of Voice
Globalive Communications Corp.
T: 416-640-1088
F: 416-640-1089
60 Adelaide St. E, 6th Floor
Toronto, ON, M5C 3E4
www.globalive.com
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Miroslaw,
The easiest solution to this would be to place SER in between the Nortel switch and the Asterisk box and have the switch & Asterisk use the SER instance as their "default route" for all messages.
The SER instance should be fairly simple in your case as all messages from the Nortel switch should be routed to the Asterisk box and vice-versa (your could do this by inspecting the source IPs) but it would give you the ability to inspect message methods and bodies before they are delivered and respond to either side accordingly or just forward them to the opposite side.
-Evan
Miroslaw Nawrot wrote:
Hi, I am trying to do a peculiar task and I want to find out if SER can do it. The issue is with call transfers which generate the REFER message. I am connecting a Nortel voip switch to Asterisk via sip. I need to have all call transfers generated by the Nortel switch to not reach Asterisk as all the call transfers are done to dids/extensions not found on the Asterisk PBX. Instead I would like to intercept / re-route them back to my Nortel switch which can handle it. Currently I have a workaround using an Audiocodes gateway with loopback cables. The Audiocodes when sees the transfer request sends it back to the Nortel switch. As this is a wasteful use of expensive hardware I would like to find another method to do this. Can someone let me know if this is possible with SER? And if it is which functions do I use? Any help is greatly appreciated.
Mirek
/The Future of Voice/
Globalive Communications Corp.
T: 416-640-1088
F: 416-640-1089
60 Adelaide St. E, 6^th Floor
Toronto, ON, M5C 3E4
www.globalive.com http://www.globalive.com/
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Evan Borgstrom -
Greger V. Teigre -
Miroslaw Nawrot