[Freeswitch-users] mod_openzap & PRI

[Michael Collins]

Evgeniy,

I'm not sure why EuroISDN isn't listed in the enum or string below because I
know that Stefan (stkn on IRC) has been working on it for some time. I'll
follow up with him and Mike Jerris to see what's going on there.

As for seeing the dialect at run-time, right now you can't, although I don't
see what that functionality can't be added. Most likely you'll need to use
the "oz list" CLI command which gives output like this:

+OK
span: 1
type: isdn
chan_count: 24
dialplan: XML
context: default
dial_regex:
fail_dial_regex:
hold_music:
analog_options none
+OK
span: 2
type: isdn
chan_count: 24
dialplan: XML
context: default
dial_regex:
fail_dial_regex:
hold_music:
analog_options none

Again, I'll confer with the big boys and see what other information can be
added, or possibly we can create a PRI-specific CLI command like "oz list
pri" that shows only PRI spans. Stay tuned for more information...

-MC

On Thu, Sep 18, 2008 at 6:48 AM, Evgeniy Zolotov <zolotov at altron.ua> wrote:

>  We have a lot of questions about mod_openzap & PRI.
>
> 1. If to see directory libs/openzap/src/isdn it is possible to see, there
> are defined
> such dialects : Q931, national, EvroISDN, DMS, 5ESS.
>
> $ ls *.c
> 5ESSmes.c       DMSStateNT.c          mfifo.c                 Q921.c
> Q931mes.c
> 5ESSStateNT.c  DMSStateTE.c         nationalmes.c       Q931api.c
> Q931StateNT.c
> 5ESSStateTE.c  EuroISDNStateNT.c  nationalStateNT.c  Q931.c
> Q931StateTE.c
> DMSmes.c         EuroISDNStateTE.c  nationalStateTE.c  Q931ie.c
> Q932mes.c
>
> Into the file libs/openzap/src/isdn/include/Q931.h (line ~500) are defined
> only 4 dialects
>
> 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_Count
> } Q931Dialect_t;
> #define DIALECT_STRINGS "q931", "", "national", "", "dms", "", "5ess", ""
>
> 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 ?
>
>
>
> ================================================================================
>
> 2. We start zaptel :
>
> # ls /dev/zap
> 1   12  15  18  20  23  26  29  31  34  37  4   42  45  48  50  53  56  59
> 61  8        ctl
> 10  13  16  19  21  24  27  3   32  35  38  40  43  46  49  51  54  57  6
> 62  9        pseudo
> 11  14  17  2   22  25  28  30  33  36  39  41  44  47  5   52  55  58  60
> 7   channel  timer
>
> - zaptel is started and configured normally.
>
> Next load FreeSWITCH...
>
> We use such configuration file for mod_openzap :
>
> <configuration name="openzap.conf" description="OpenZAP Configuration">
>   <settings>
>     <param name="debug" value="1"/>
>   </settings>
>   <pri_spans>
>     <span id="1">
>       <param name="mode" value="user" />
>       <param name="dialect" value="dms" />
>       <param name="dialplan" value="XML"/>
>       <param name="context" value="public" />
>     </span>
>     <span id="2">
>       <param name="mode" value="user" />
>       <param name="dialect" value="q931" />
>       <param name="dialplan" value="XML"/>
>       <param name="context" value="public" />
>     </span>
>   </pri_spans>
> </configuration>
>
>
> Next we start (from FreeSWITCH console):
>
> freeswitch at opos8.altron.lan> console loglevel 9
> freeswitch at opos8.altron.lan> load mod_openzap
> ...
> freeswitch at opos8.altron.lan> oz dump 1 16
> API CALL [oz(dump 1 16)] output:
> span_id: 1
> chan_id: 16
> physical_span_id: 1
> physical_chan_id: 16
> type: DQ921
> state: UP
> last_state: DOWN
> cid_date:
> cid_name:
> cid_num:
> ani:
> aniII:
> dnis:
> rdnis:
> cause: NONE
>
>
> freeswitch at opos8.altron.lan> oz dump 2 16
> API CALL [oz(dump 2 16)] output:
> span_id: 2
> chan_id: 16
> physical_span_id: 2
> physical_chan_id: 47
> type: DQ921
> state: UP%!
> last_state: DOWN
> cid_date:
> cid_name:
> cid_num:
> ani:
> aniII:
> dnis:
> rdnis:
> cause: NONE
>
> In what manner ( using console or debugging messages ) we can see in
> run-time mode under what type of a dialect
> every "span" is configured ?
>
> If we'll specify for nonexistent dialects:
>
>   <pri_spans>
>     <span id="1">
>       <param name="dialect" value="ABC" />
>     </span>
>     <span id="2">
>       <param name="dialect" value="XYZ" />
>     </span>
>   </pri_spans>
>
> - then >load mod_openzap is carried out successfully and >oz dump <i> <j>
> gives us same result like before.
>
> What dialect is used by "span" in this case? How it can be looked?
>
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