[pjsip] ReRegistration problem in pjsip

Benny Prijono bennylp at pjsip.org
Wed Apr 2 08:18:07 EDT 2008


On Wed, Apr 2, 2008 at 12:23 PM, Michael CHRISTOPHER <pjsip at encambio.com> wrote:
>
>  Hello,
>
>  An Wed, Apr 02, 2008, Benny PRIJONO schrieb:
>
> >On Wed, Apr 2, 2008 at 6:00 AM, sre kdkjf wrote:
>  >Make sure that your registration succeeds, and enable STUN in your
>  >configuration. When STUN is enabled, PJSUA-LIB will send periodic keep
>  >alive packets to the server to keep NAT binding open. You could use
>  >shorter register interval to keep your NAT binding open, but using
>  >keep alive packets is lighter IMO.
>  >
>  How does one go about keeping the NAT binding open with TCP? I
>  believe the STUN logic in PJProject will not register over TCP
>  keeping with the STUN RFC, so when using TCP as a transport it
>  seems STUN must be switched off.

When TCP is used, pjsip will do the keep alive at the transport level,
regardless whether STUN is used or not.

Cheers
 Benny




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