[Asterisk-Users] Q931 Message - Connect - Billing

[Martin Pycko]

If you have playback first before dialing the right extension on the other
side then that's why you have the call answered right away ...

Also voicemail answers and many other applications.

Martin

On Tue, 16 Mar 2004, Daniel Bichara wrote:

> Hi All,
>
> I have posted before asking for a Connect message sent from Zap
> (ISDN/PRI - by *) when receiving a call (incoming) and dialing to
> another extension. To clarify the situation, I will describe the problem:
>
> 1) My * box is connect to a Cisco (E1-ISDN/PRI) using a crosscable.
>
> 2) Sending a call (outbound) to Cisco, I receive Q931 "Connect (15)"
> message from Cisco only after the other side answer.
>
> 3) Receiving a call (inbound) from Cisco, I call an extension at another
> * connected via IAX2:
>
> X.,1,Dial(IAX2/teste at 192.168.110.2/${EXTEN})
>
> Before the other side (${EXTEN} at 192.168.110.2) answer, * sends a Q931 "Connect (15)" message to Cisco and it starts billing the call.
>
> Cisco bills even if no one answer the other side or if its busy.
>
> I tried to setup "overlapdial=yes" at Zapata.conf but E1 disconnects by "Timeout" (T_313 expires - 4secs) before IAX2 complete the call.
>
> I noticed I get a message: "Progress Description: Called equipament is non-ISDN" from "pri debug span". Is that correct?
>
> > Protocol Discriminator: Q.931 (8)  len=14
> > Call Ref: len= 2 (reference 32770/0x8002) (Terminator)
> > Message type: CONNECT (7)
> > Channel ID (len= 5) [ Ext: 1  IntID: Implicit, PRI Spare: 0, Exclusive Dchan:
> 0
> >                        ChanSel: Reserved
> >                       Ext: 1  Coding: 0   Number Specified   Channel Type: 3
> >                       Ext: 1  Channel: 1 ]
> > Progress Indicator (len= 2) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0
> Location: Private network serving the local user (1)
> >                               Ext: 1  Progress Description: Called equipment i
> s non-ISDN. (2) ]
>     -- IAX2[192.168.110.2:4569]/1 stopped sounds
>     -- IAX2[192.168.110.2:4569]/1 is ringing
>
>
> Any clue? Thanks in advance.
>
> Daniel Bichara
>
>
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