Yes, it will catch congestion cases on the receiver side.
There's two ways to avoid it: 1) use ChanIsAvail on the dadhi channel. It works very well. Or 2) Create a special signal for dahdi congestion (require modifying the source and recompile) that differs from the congestion cause. Here we created code 130, so we know when the congestion is on the dhadi channels or if it is an external/operator congestion case. We have servers running both ways, even with combination between ChanisAvail() and the special 130 code. All works very well. PS: ChanisAvail may fail sometimes if you have few available channels and a high demand for incoming calls. Exemple: suppose you have just one channel available, ChanisAvail will return this channel, but before dialplan reaches the Dial() command, an incoming call is received in this channel. So you don't have a channel do dial anymore, but ChanisAvail told you had one. You will then receive a congestion with code 34. Prado -----Mensagem original----- De: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] Em nome de Benoit Enviada em: domingo, 21 de fevereiro de 2010 2:22 Para: Asterisk Users Mailing List - Non-Commercial Discussion Assunto: [asterisk-users] Dahdi & Congestion status Hi, I'm using an half T1 line on a asterisk (obviously :)) 1.6.2.4 system, up to recently everything was fine but we are starting to experience the call limitation of the line (15). So as to warn user of the problem i attached a vocal notification to the CONGESTION status after a Dial(), but it looks like it also catch other congestion case (maybe on the receiver side). Should i / Could i use the ChanIsAvail() on a Dahdi channel ? will it work better to detect a full group ? regards -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
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