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ringingto
2006 Jan 12
0
cisco as5400, sip, asterisk. cisco won't detect that the call is answered
..., 60% of the times) will keep
sending a ringtone to the connected phone, even if the call is answered,
actually if the user behind the cisco talks the one after the gsm
gateway will hear him, but not the contrary.
(like when you have a problem with nat, plus the "I'm still hearing the
ringingtone" problem)
((no, cisco is on a public IP, also the two asterisk servers, and all
sip is canreinvite=no)
the dial chain is something like :
asterisk main server:
[cisco context]
X.,1,Dial(iax/cisco@asterisk for cells)
asterisk for cells:
[cisco context]
X.,1,Dial(sip/number@gsm gateway)
If...