[asterisk-users] Call diversion

[Michele Pinassi]

Hi all,

i'm trying to setup a function like "secretary/director": when an user
call director number (eg. 5000), the call were firstly diverted to
secretary (5001). At this point, when secretary answer, can decide to
transfer back the call to director (5000).

Because i'm using OpenSIPS as SIP router, when this function is needed i
did a special "extension" like DIVERT_[from]_[to]:

; On DIVERT
exten => _DIVERT_.,1,Noop("from-voip: DIVERT ${CALLERID(num)} -
${EXTEN}") ; Example: DIVERT_5000_5001
exten => _DIVERT_.,n,Set(DIVFrom=${CUT(EXTEN,_,2)})
exten => _DIVERT_.,n,Set(DIVTo=${CUT(EXTEN,_,3)})
exten => _DIVERT_.,n,Noop("Divert ${CALLERID(num)} from ${DIVFrom} to
${DIVTo}")
exten => _DIVERT_.,n,Macro(services-divert) // Divert
exten => _DIVERT_.,n,Hangup()

and a macro like:

[macro-services-divert] ; Servizio direttore-segretaria
exten => s,1,Noop("Divert from ${CALLERID(num)}")
same  => n,Answer
same  => n,Playback(msg/msg_attendereufficiodesiderato)
same  => n,Dial(SIP/voip-trunk/${DIVTo},30)

It works *BUT* when from the secretary phone the call were forwarded
back to director (and, at this point, director phone must ring !), the
call stall with an error on OpenSIPS like:

In-Dialog NOTIFY from [my asterisk box ip]
(callid=707902a659eb005b141a9491195bd3cf at voip) is not valid according to
dialog

Any hits ?

Michele

-- 
Michele Pinassi
Responsabile Telefonia di Ateneo
Servizio Reti, Sistemi e Sicurezza Informatica - Università degli Studi di Siena
tel: 0577.(23)5000 - centralino at unisi.it

Per trovare una soluzione rapida ai tuoi problemi tecnici consulta le FAQ di Ateneo, http://www.faq.unisi.it 


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