[Freeswitch-users] FS doesn't maitain PRI- D-channel state right

[Anthony Minessale]

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On Fri, Jan 16, 2009 at 1:25 AM, Helmut Kuper <helmut.kuper at ewetel.de>wrote:

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> Hello,
>
>
> I found, that FS doesn't maintain D-Channel's state correctly.
>
> I have a PRI with disabled layer 2 and 3 on TDM side. When FS starts up
> I get this on console:
>
>
> 2009-01-16 08:16:10 [DEBUG] ozmod_isdn.c:1441 zap_isdn_run() ISDN thread
> starting.
> 2009-01-16 08:16:10 [DEBUG] Span:0 Q.921() Starting trunk 0xae411008
> (sapi: 0, tei: 0, mode: PTP TE)
> 2009-01-16 08:16:10 [DEBUG] Span:0 Q.921() Sending SABME
> 2009-01-16 08:16:10 [DEBUG] Span:0 Q.921() Sending frame
> - ----------------- Q.921 Packet [Outgoing] ---------------
>    SAPI: 0, TEI: 0, C/R: Command (0)
>
>    Type: U Frame (SABME)
>          P/F: 1
>
>    Q.921 state: "TEI Assigned" (4) [flags: ----]
> - ----------------------------------------------
>
> 2009-01-16 08:16:10 [CONSOLE] switch_loadable_module.c:857
> switch_loadable_module_load_file() Successfully Loaded [mod_openzap]
> 2009-01-16 08:16:10 [NOTICE] switch_loadable_module.c:141
> switch_loadable_module_process() Adding Endpoint 'openzap'
> 2009-01-16 08:16:10 [NOTICE] switch_loadable_module.c:239
> switch_loadable_module_process() Adding Application 'disable_ec'
> 2009-01-16 08:16:10 [NOTICE] switch_loadable_module.c:259
> switch_loadable_module_process() Adding API Function 'oz'
> 2009-01-16 08:16:10 [DEBUG] Span:0 Q.921() New packet received (3 bytes)
> - ----------------- Q.921 Packet [Incoming] ---------------
>    SAPI: 0, TEI: 0, C/R: Response (0)
>
>    Type: U Frame (DM (Disconnected Mode))
>          P/F: 1
>
>    Q.921 state: "TEI Assigned" (4) [flags: ----]
> - ----------------------------------------------
>
> So TDM side tells FS that the link is down:
>
> but when I check d-channel's state FS tells me that it is UP:
>
> freeswitch at ippbx-prod-node0> 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
>
> When I do an outbound call FS throws no error or warning that the link
> isn't up and gives the call a try.
>
>
> regards
> helmut
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-- 
Anthony Minessale II

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