In my experience PRI pass through setups have been false economy. They seem to save a few dollars, but you still have to spend the money to save it and they never run as well.
Paul Hales -- Paul Hales Technical Manager AsteriskIT www.asteriskit.com.au bus: 03 8320 8100 mob: 0434 673 529 On Sat, 2006-07-15 at 22:22 +1000, James Sturges wrote: > Hi, had a few ask for this so thought may be of interest to the list. > > > > This is actually for the following setup: > > > > Telstra ISDN30 <---------> Asterisk <---------> BP250 PABX > > > > The ISDN10, 20, 30’s are all the same physical link, but you may need > to change the bchan and dchan settings for ISDN 10 or 20. > > > > We have had lot of issues over 12 months, including physical cable > issues, etc. But this config has passed Telstra test equipment both > on site and in the exchange. The calls dropping out (for us) are > timing issues do to telling Asterisk to gets it synch from the Telstra > line and providing synch to the PABX. > > > > Anyway, Here it is, does not look like much but have had experts > working on it for a while. > > > > The system handles 1800 – 2000 calls per day. > > > > Thanks > > > > James > > > > ZAPATA.conf > > [channels] > > context=default > > musiconhold=default > > switchtype=euroisdn > > usecallerid=yes > > cidsignalling=v23 > > cidstart=polarity > > hidecallerid=no > > callwaiting=no > > usecallingpres=yes > > callwaitingcallerid=yes > > threewaycalling=yes > > transfer=yes > > cancallforward=yes > > callreturn=yes > > echocancel=yes > > echocancelwhenbridged=yes > > echotraining=800 > > rxgain=0.0 > > txgain=0.0 > > > > group=1 > > context=te405p-intelstra > > pridialplan=local > > signalling=pri_cpe > > callerid=asreceived > > channel=>1-15, 17-31 > > > > group=4 > > context=te405p-frombp250 > > pridialplan=local > > signalling=pri_net > > overlapdial=yes > > callerid=asreceived > > channel=>94-108, 110-124 > > > > ZAPTEL.conf > > # > > # Zaptel Configuration File > > # > > # This file is parsed by the Zaptel Configurator, ztcfg > > > > span=1,1,0,ccs,hdb3,crc4 > > bchan=1-15 > > dchan=16 > > bchan=17-31 > > span=2,0,0,ccs,hdb3,crc4 > > bchan=32-46 > > dchan=47 > > bchan=48-62 > > span=3,0,0,ccs,hdb3,crc4 > > bchan=63-77 > > dchan=78 > > bchan=79-93 > > span=4,0,0,ccs,hdb3,crc4 > > bchan=94-108 > > dchan=109 > > bchan=110-124 > > > > loadzone=au > > defaultzone=au > > _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
