31 okt 2006 kl. 06.34 skrev jezzzz .:
Thank you for the link. Chapter 8 was most useful in explaining the
different types of connections (user/peer/friend) as well as the
register function such that users may know how to contact another
user. However I'm looking for something more specific. For
instance, for a normal session termination (i.e. BYE), user1 would
send msg BYE to proxy who would then forward it to user2 who would
then close the connection. For a cancel request the following
messages are exchanged:
u1 -> proxy: invite
proxy -> u2: arp request
In this scenario for instance (where user 2 closes the connection),
where does Asterisk fit in? If at all? Does Asterisk behave as the
proxy?
In an Asterisk scenario, you would have two different calls, one from
u1 to Asterisk, one from Asterisk to u2.
We never forward any SIP messages, like a SIP proxy. If u1 hangs up,
we decide to hang up our call to u2,
but those are two different SIP dialogs.
Remember that Asterisk is a multiprotocol PBX. The connection to U2
might be using a different signalling
protocol, like ISDN PRI.
/O
---
* Olle E. Johansson - [EMAIL PROTECTED]
* Asterisk Training http://edvina.net/training/
* Next training: Stockholm, Sweden, November 13th!
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