Several sources have told me that, once a call has been established, SER
does not stay in the message path between the caller and callee. However,
after examining some packet traces in Ethereal, I'm a little confused.
I have the following setup:
Caller -> SER -> Asterisk -> VoIP Provider -> Callee
When I start tcpdump on Asterisk and place a call to the PSTN, the only
devices that Asterisk is sending data to and receiving data from are SER
and the VoIP provider.
Doesn't this mean that SER does in fact stay in the SIP message path for
the duration of a call?
Thanks for explaining this,
-- Nick
e: nick.hoffman(a)altcall.com
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