LINPHONE 'S USER MANUAL | ||
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Linphone is now able to work behind firewalls using a SIP proxy server. A SIP proxy server is responsible to forward calls from the private network to the external network, and vice versa. Two sip proxy based on oSIP library are being developed at http://siproxd.sourceforge.net and http://www.partysip.org. The setup of each of those sip proxies is outside the scope of this document. Please refer to their website.
There is one case where a sip proxy is not needed: when you are in a network where your machine has a public address and the firewall is just here to filter incoming and outgoing packets from the external network. In this case, all you have to do is to open the SIP port and RTP port on the firewall machine. The SIP port is given in the property box, section SIP, and the RTP port is given in the property box, section RTP. Both can be changed, but it es strongly recommended you to let the SIP port unchanged (5060).
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Using sip proxies and registrar. | Problems |