[SIP Beyond VoIP] STUN keep-alive

[Iñaki Baz Castillo]

2012/1/15 Adrian Georgescu <ag at ag-projects.com>:
> Your SIP server must be able to keep the NAT open. See OpenSIPS nat
> traversal module as an example, each SIP server has a similar mechanism.
> Without support from the server you you will not be able to do it.

If Blink would implement Outbound then it would send periodic doble
CRLF (in TCP) or STUN requests (UDP) to the server, which should
implement it as well.

-- 
Iñaki Baz Castillo
<ibc at aliax.net>