Si Tai Fan
2009-Jun-12 07:38 UTC
[asterisk-users] PRI connection with ZTE exchange over T1 PRI
Hi My production Asterisk has these frequent errors when connected to the ZTE type exchange... Jun 9 10:48:24 NOTICE[1984] chan_zap.c: PRI got event: HDLC Overrun (7) on Primary D-channel of span 1 followed by.. Jun 9 11:46:42 WARNING[1984] chan_zap.c: No D-channels available! Using Primary channel 24 as D-channel anyway! After a few moments later, the D-channels comes up automatically. My settings are as follows:- *zaptel.conf* span=1,1,0,esf,b8zs bchan=1-23 dchan=24 loadzone = us defaultzone=us *zapata.conf* [trunkgroups] [channels] language=en context=pstn_default switchtype=national signalling=pri_cpe usecallerid=yes hidecallerid=no callwaiting=yes usecallingpres=yes callwaitingcallerid=yes threewaycalling=yes transfer=yes canpark=yes cancallforward=yes callreturn=yes echocancel=yes echocancelwhenbridged=yes echotraining=yes echotraining=400 rxgain=0.5 txgain=0.5 group=1 callgroup=1 pickupgroup=1 immediate=no callerid=asreceived channel => 1-23 Any suggestions? Thanks, Si -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20090612/14810808/attachment.htm