> Is it possible to add our own dialect PRI (for another submission of SUBBADDRESS, for example), if we'll add

> new files *mess.c, *StateNT.c, *StateTE and definition * into the Q931Dialect_t ?

 

We have added new dialect ( li_ewsd, similar to Q.931, but different that bytes of data SUBADDRES do not mask with & 0x7F -

- so the specifications of telephone stations EWSD & Surpass demands, which place into SUBADDRES special user info ( different

for EWSD & Surpass stations) ).

 

We have made some changes in libs/openzap/src/isdn/include/Q931.h:

 

typedef enum                                            // Dialect enum
{
   Q931_Dialect_Q931     = 0,
   Q931_Dialect_National = 2,
   Q931_Dialect_DMS      = 4,
   Q931_Dialect_5ESS     = 6,      // Coming soon to a PRI stack near you!
   Q931_Dialect_li_ewsd  = 8,      // Coming soon to a PRI stack near you!

 

   Q931_Dialect_Count
} Q931Dialect_t;
#define DIALECT_STRINGS "q931", "", "national", "", "dms", "", "5ess", "", "li_ewsd", ""

 

After recompilation mod_openzap we connect 2 FreeSWITCH on different hosts with PRI channel through 2xE1.

Then we manage to receive.

 

[host 1, X-Lite] -SIP-> [host 2, FS] -PRI-> [host 3, FS] -> record_session()

 

Written *.wav the file is identical to that was told from X-Lite softphone

 

Записанный *.wav файл идентичен тому, что говорилось из X-Lite softphone...

 

But periodically ( > than minute ) such messages are output on FreeSWITCH console:

 

2008-09-18 18:53:47 [WARNING] zap_zt.c:668 zt_next_event() Unhandled event 8
2008-09-18 18:53:47 [DEBUG] zap_isdn.c:790 process_event() EVENT [INVALID][1:16] STATE [UP]

 

We can suppose, that it because of both sides of PRI channel are configured in such manner

  <pri_spans>
    <span id="1"> 
      <param name="mode" value="user" />
      <param name="dialect" value="li_ewsd" />
      ....
  </span>
- because of "user".

 

Are we right?