Hi, Do you still face the same problem ? Please post your chan_dahdi and extension.conf file. Generally this happen due to group mismatch or overhit . It seems your 2 T1 is in different group . Thanks Mesbah On 5/20/10, Dave George <dgeorge at teletoneinc.com> wrote: > > I am getting the following error when my server hits 24 to 30 calls. I > have two T1s (46 ports) available. > > > > > > [May 19 19:43:15] WARNING[2649]: app_dial.c:1518 dial_exec_full: Unable to > create channel of type 'DAHDI' (cause 34 - Circuit/channel congestion) > > > > Thanks, > > Dave George > > 1 561 674 3838 > > > > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20100520/cf5077af/attachment.htm