On Sep 18, 2008, at 1:13 PM, Evgeniy Zolotov wrote:
> 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?
You can't do 2 hosts back to back both set to user, one end must be
the net. FreeSWITCH won't be able to do that until we complete the
q931 timer support. Let's move this conversation to the -dev mailing
list or hop on irc.freenode.net #openzap and we can discuss in real
time.
Mike
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