Hi,
If you want the SDP to remain unaltered, why do you use the rtpproxy
functions ??
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 13.07.2016 12:51, Priyanko Bose wrote:
Hi,
Thanks for your reply.
I am able to make SIP call to the device (192.168.v.w(LAN) in below
picture) which I have registered to my opensip proxy/registrar server
((LAN) 192.168.x.y), from an UAC located somewhere in the internet.
But the problem is while forwarding the SDP using “rtpproxy_offer()”
my proxy server rewriting the SDP with its own private IP which
prevents the device to find the public IP of the UAC. Hence, media is
not reaching the UAC.
Could you please let know what are the replacement of rtpproxy_offer()
and rtpproxy_answer() so that the SDP remains unaltered but SIP call
establishes?
Regards,
Priyanko
*From:*Bogdan-Andrei Iancu [mailto:[email protected]]
*Sent:* 11 July 2016 15:54
*To:* Priyanko Bose; [email protected]
*Cc:* 'Shantanu Kumar Roy'
*Subject:* Re: opensip proxy behind firwall
Hi,
Could you be more specific in what the "fail to make calls" means ?
Thanks,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 08.07.2016 18:22, Priyanko Bose wrote:
Hi,
I am trying to setup a OpenSIP server which should act as a SIP
register as well as a SIP proxy server.
If the server is placed in the same LAN where multiple SIP enabled
devices (e.g Cisco SX20, Polycom RPG500) reside, then the devices
get registered easily and can make SIP calls among themselves.
But everything fails when the devices are on the other side of the
internet and the server is behind firewall like following diagram.
---------- ------------
-------------
--------------
- Device - <---> - F/W - <--->
- F/W - <---> -
OpenSIPS -
---------- ------------
-------------
--------------
192.168.v.w(LAN) 192.168.v.1 : 63.45.x.y (WAN)
220.54.w.y: 192.168.x.1 (LAN) 192.168.x.y
The server’s private IP (192.168.x.y ) is mapped to a fixed public
IP (220.54.w.y) and ‘opensips.cfg’ file has been prepared same as
described in the link
http://opensips-open-sip-server.1449251.n2.nabble.com/OpenSIPS-Server-behind-a-NAT-firewall-td5853352.html.
This time I am able to register the device but fails to make SIP call.
Regards,
Priyanko
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