On Fri, Aug 1, 2014 at 1:26 PM, <[email protected]> wrote: > On Fri, 1 Aug 2014 12:39:18 -0500, Richard Mudgett wrote: > >> On Fri, Aug 1, 2014 at 12:03 PM, Roberto Fichera wrote: >> > <snip>
Does anyone know how can I solve this problem? > >> You might want to try bri_net_ptmp since bri_net is for point-to-point >> operation >> and you are not getting any response from the BT. The BT may be >> expecting >> to operate in point-to-multi-point mode. Otherwise, you may have a >> cabling >> >> problem. >> > > Actually I've also tried to set it in PTMP mode without success. The BT > landline > seems configured in PTP BTW. Regarding the cable, it seems to work because > I've > used it to connect the Panasonic PBX which indeed work. > The main distinguishing thing between PTP mode and PTMP mode with chan_dahdi/libpri is the TEI being used. PTP mode only uses TEI=0. PTMP mode uses auto-assigned TEIs. You could also have an issue with terminating resistors. Only one side should have them in the circuit. If both sides have them or neither side has them then you will have communication problems. Richard
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