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Configuring Phone Lines and Calling Routing Behavior
Call Forwarding Support on SPA9000
SPA9000 Voice System Administration Guide 83
4
SPA9000 supports the call forward scenarios listed in the following table.
NOTE When an incoming call from the ITSP is forked to multiple client stations, the
SPA9000 does not honor the 3xx response returned by any of the client stations. If
you wish the call to be forwarded to voicemail or another client station when it is not
picked up, you can specify the optional “cfwd=
target
” syntax in the Contact List.
Called
Party
Caller Forward Target Remarks
Client
station
Client
station
Client station Proxy only; no direct
involvement
Client
station
Client
station
External Very similar to calling external
number
Client
station
External Client station ACKs the 302 from called party.
Then INVITEs the target.
NOTE If the original INVITE is
forked to more than one client
station, call forward is not
performed.
Client
station
External External ACKs the 302 from called party.
Sends 200 to caller, then blind
REFERs caller to target.
NOTE If the original INVITE is
forked to more than one client
station, call forward is not performed
External Client
station
External ACKs the 302 from called party,
then INVITEs the target