[Asterisk-Users] help understanding sip header - OPTIONS
Olle E. Johansson
oej at edvina.net
Thu Mar 24 01:37:06 MST 2005
These OPTIONs packets are what we send for qualification, a scheme that
can also be used for NAT keepalives. You turn them on by adding
"qualify=yes" in the [peer] section of sip.conf
With qualification on, we regurlarly measure the latency between
Asterisk and the client and decide whether the client is reachable or not.
Sometimes these generate odd answers, like 404 Not Found. Do not worry,
it doesn't mean anything. It's not very beautiful but it happens.
/Olle
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