[Asterisk-Users] IP GSM Gateway is giving uncomplete SIP signalization to PRI interface - can I somehow avoid that in Asterisk ?

2005-11-30 Thread Robert Rozman

Hi,

I have following setup : PBX - Voxip from Parlay -PRI- Asterisk 
-SIP- SIP IP GSM Gateway (2n)


on outgoing call from pbx through Voxip and to IP GSM gateway : latter only 
responds with SIP session progress but no SIP Ringing message when 
connection starts to ring, so Voxip is hanging up line on approx 13sec 
timeout I know we could try simulate ringing with r in dial, but that 
would be quite wrong, cause GSM gateways sometime take more time to 
establish connection, so user gets false ringing signal... Can we somehow 
interfere with Asterisk and generate SIP messages to fool Voxip from hanging 
up the line ?


Thanks in advance,

regards,

Rob.

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Re: [Asterisk-Users] IP GSM Gateway is giving uncomplete SIP signalization to PRI interface - can I somehow avoid that in Asterisk ?

2005-11-30 Thread Matt Riddell
Robert Rozman wrote:
 Hi,
 
 I have following setup : PBX - Voxip from Parlay -PRI-
 Asterisk -SIP- SIP IP GSM Gateway (2n)
 
 on outgoing call from pbx through Voxip and to IP GSM gateway : latter
 only responds with SIP session progress but no SIP Ringing message when
 connection starts to ring, so Voxip is hanging up line on approx 13sec
 timeout I know we could try simulate ringing with r in dial, but
 that would be quite wrong, cause GSM gateways sometime take more time to
 establish connection, so user gets false ringing signal... Can we
 somehow interfere with Asterisk and generate SIP messages to fool Voxip
 from hanging up the line ?

You could Answer() the call in Asterisk before passing it off to the gateway.

-- 
Cheers,

Matt Riddell
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