[asterisk-users] DAHDI/ZAP overlap dialing

[Martin]

overlapdial=yes in zapata.conf/chan_dahdi.conf
google it out

Martin

On Fri, Oct 30, 2009 at 6:54 AM, Vieri <rentorbuy at yahoo.com> wrote:
> Hi,
>
> I have a PRI euroisdn link between an Alcatel PBX and Asterisk.
>
> I'm having some trouble with overlap dialing.
>
> Suppose I dial '874053' from an Alcatel extension ('7034') where '87' is an Alcatel prefix of type "ARS Prof.Trg Grp Seiz.with overlap".
>
> I'm expecting Asterisk to receive '1004053' (where '100' is a prefix which always shows up in the euroisdn setup).
>
> However, Asterisk is only receiving '1004' which means that it's not reading the digits that follow.
>
> Are there issues with "receiving" overlap dials from zap channels?
>
> According to the Alcatel trace below, it looks like Asterisk is accepting the call before a "Sending complete" is released by Alcatel.
>
> I'm using libpri 1.2.8 and Asterisk 1.2.31.1.
>
> Alcatel trace:
>
>> t3
> --> Cleaning mtracer...
> --> Positionning t3 filters...
> +--------+-------+--------+--------+---------+---------+----------+------+
> | filter | desti | src_id | cr_nbr | cpl_nbr | us_term | term_nbr | type |
> +--------+-------+--------+--------+---------+---------+----------+------+
> |    0   |   **  |   **   |   *    |    **   |    *    |    ***   |  165 |
> |    1   |   **  |   **   |   *    |    **   |    *    |    ***   |  166 |
> |    2   |   **  |   **   |   *    |    **   |    *    |    ***   |  167 |
> |    3   |       |        |        |         |         |          |      |
> |    4   |       |        |        |         |         |          |      |
> |    5   |       |        |        |         |         |          |      |
> |    6   |       |        |        |         |         |          |      |
> |    7   |       |        |        |         |         |          |      |
> +--------+-------+--------+--------+---------+---------+----------+------+
> Traces Analyser activated
>
> mtracer started ...
> (476142:000001) MTRACER ♠©, version: R9.0-h1.301-31-d-es-c7s2
> (476142:000001) MTRACER num: 007, time: 2009/10/30 11:53:02, loss: 0%
>  ______________________________________________________________________________
> | (476157:000002) 1095: Send_IO1 (link-nbr=19, sapi=0, tei=0) :
> | long: 51  desti: 0  source: 15  cryst: 0  cpl: 19  us: 8  term: 0  type a5
> | tei: 0  <<<<  message sent : SETUP [05]    Call ref :  32 a8
> |______________________________________________________________________________
> |
> | IE:[04] BEARER_CAPABILITY (l=3) 80 90 a3
> | IE:[18] CHANNEL (l=3)  a9 83 9b -> T2 : B channel 27 exclusive
> | IE:[1e] PROGRESS_ID (l=2) 80 83
> | IE:[6c] CALLING_NUMBER (l=6)  ->  00  81  Num : 7034
> | IE:[70] CALLED_NUMBER (l=5)  ->  80  Num : 1004
> | IE:[7d] HLC (l=2) 91 81
> |______________________________________________________________________________
>
>  ______________________________________________________________________________
> | (476157:000003) Concatenated-Physical-Event :
> | long: 24  desti: 0  source: 0  cryst: 0  cpl: 19  us: 0  term: 0  type a5
> | tei: 0  >>>>  message received : CALL PROC (02)  Call ref :  b2 a8
> |______________________________________________________________________________
> |
> | IE:[18] CHANNEL (l=4)  e9 81 83 9b
> |______________________________________________________________________________
>
>  ______________________________________________________________________________
> | (476157:000004) Concatenated-Physical-Event :
> | long: 28  desti: 0  source: 0  cryst: 0  cpl: 19  us: 0  term: 0  type a5
> | tei: 0  >>>>  message received : CONNECT (07)  Call ref :  b2 a8
> |______________________________________________________________________________
> |
> | IE:[18] CHANNEL (l=4)  e9 81 83 9b
> | IE:[1e] PROGRESS_ID (l=2) 81 82
> |______________________________________________________________________________
>
>  ______________________________________________________________________________
> | (476158:000005) 1095: Send_IO1 (link-nbr=19, sapi=0, tei=0) :
> | long: 23  desti: 0  source: 15  cryst: 0  cpl: 19  us: 8  term: 0  type a5
> | tei: 0  <<<<  message sent : CONNECT ACK (0f)  Call ref :  32 a8
> |______________________________________________________________________________
> |
> | IE:[18] CHANNEL (l=3)  a9 83 9b -> T2 : B channel 27 exclusive
> |______________________________________________________________________________
>
>
> In Asterisk I see:
>
> Oct 30 11:48:02 VERBOSE[11329] logger.c:     -- Accepting call from '7034' to '1004' on channel 1/27, span 1
>
> If I change the Alcatel 87 prefix to use "ARS Prof.Trg Grp Seizure" (without overlap) then I get the following trace:
>
>  ______________________________________________________________________________
> | (488410:000060) 1093: Send_IO1 (link-nbr=19, sapi=0, tei=0) :
> | long: 55  desti: 0  source: 15  cryst: 0  cpl: 19  us: 8  term: 0  type a5
> | tei: 0  <<<<  message sent : SETUP [05]    Call ref :  33 52
> |______________________________________________________________________________
> |
> | IE:[04] BEARER_CAPABILITY (l=3) 80 90 a3
> | IE:[18] CHANNEL (l=3)  a9 83 8a -> T2 : B channel 10 exclusive
> | IE:[1e] PROGRESS_ID (l=2) 80 83
> | IE:[6c] CALLING_NUMBER (l=6)  ->  00  81  Num : 7034
> | IE:[70] CALLED_NUMBER (l=8)  ->  80  Num : 1004053
> | IE:[7d] HLC (l=2) 91 81
> | [a1] Sending complete
> |______________________________________________________________________________
>
> This time Asterisk gets what I expect but I prefer to use overlap dialing.
>
> Are there known issues with this?
>
> Thanks,
>
> Vieri
>
>
>
>
>
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