I suspect 2 things, 1) From your configuration it seems, that you are the NET. But when you connect to TELCO, you should always be CPE. 2) Check whether it is related to CRC4 or not. On Sat, Sep 10, 2011 at 11:56 PM, Nihat Yilmaz <nyilmaz@cybetech.com> wrote:
**
Dear All,
I am a starter on Freeswitch although I have telecoms experience for a long time
I am trying to set-up a Freeswitch server with a Digium TE110P ISDN PrI E1 card.
I have installed DAHDI Drivres and the card is discovered OK.
I have also installed the libpri library and activated mod_freetdm. When I run the freeswitch I can see that my span is defined when I connect disconnect the cable I recieve alarms as below
2011-09-10 16:47:27.948506 NOTICE <http://www.voip-info.org/boards/NOTICE> mod_freetdm.c:1819 Alarm raised on channel 1:1 2011-09-10 16:47:27.948506 WARNING<http://www.voip-info.org/boards/WARNING> ftmod_libpri.c:1419 channel 1:1 (1:1) has alarms! BLUE <http://www.voip-info.org/boards/BLUE> 2011-09-10 16:47:27.948506 NOTICE <http://www.voip-info.org/boards/NOTICE> mod_freetdm.c:1819 Alarm raised on channel 1:2 2011-09-10 16:47:27.948506 WARNING<http://www.voip-info.org/boards/WARNING> ftmod_libpri.c:1419 channel 1:2 (1:2) has alarms! BLUE <http://www.voip-info.org/boards/BLUE> . . . 2011-09-10 16:47:27.948506 NOTICE <http://www.voip-info.org/boards/NOTICE> mod_freetdm.c:1819 Alarm raised on channel 1:30 2011-09-10 16:47:27.948506 WARNING<http://www.voip-info.org/boards/WARNING> ftmod_libpri.c:1419 channel 1:30 (1:30) has alarms! BLUE<http://www.voip-info.org/boards/BLUE> 2011-09-10 16:47:27.948506 NOTICE <http://www.voip-info.org/boards/NOTICE> mod_freetdm.c:1819 Alarm raised on channel 1:31 2011-09-10 16:47:27.948506 WARNING<http://www.voip-info.org/boards/WARNING> ftmod_libpri.c:1419 channel 1:31 (1:31) has alarms! BLUE<http://www.voip-info.org/boards/BLUE>
The problem I have is no matter what I do signalling_status is always DOWN.
freeswitch@voip.cybetech.com> ftdm list
+OKspan: 1 (GSMChannelBank) type: isdn physical_status: ok signaling_status: DOWN chan_count: 31 dialplan: XML context: public dial_regex: fail_dial_regex: hold_music: analog_options: none
I have changed various settings in the configuration files but there is no change. my conf files are as follows:
/etc/dahdi/system.conf:
span=1,0,0,ccs,hdb3 bchan=1-15,17-31 dchan=16 loadzone = us defaultzone = us
freetdm.conf:
general <http://www.voip-info.org/boards/general> cpu_monitor => no cpu_monitoring_interval => 1000 cpu_set_alarm_threshold => 80 cpu_reset_alarm_threshold => 70 cpu_alarm_action => warn
debugdtmf_directory=/usr/local/freeswitch/log/
span zt GSMChannelBank<http://www.voip-info.org/boards/span%20zt%20GSMChannelBank> trunk_type => E1 b-channel => 1-15 d-channel => 16 b-channel => 17-31
freetdm.conf.xml:
<configuration name="freetdm.conf" description="FreeTDM Configuration">
<settings> <param name="debug" value="0"/> </settings>
<libpri_spans> <span name="GSMChannelBank"> <param name="switch" value="euroisdn"/> <param name="mode" value="net"/> <param name="debug" value="none"/>
<param name="dialplan" value="XML"/> <param name="context" value="public"/> </span> </libpri_spans>
</configuration>
I will appreciate if anyone can advise where I shall look for the solution.
Regards,
Nihat Yilmaz --
Cybetech Ltd.
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