When I doing hangup the zaptel channel, Asterisk show this message: Feb 7 12:14:44 WARNING[1748]: chan_zap.c:6511 handle_init_event: Detected alarm on channel 4: Red Alarm Feb 7 12:14:44 WARNING[1748]: chan_zap.c:1586 zt_disable_ec: Unable to disable echo cancellation on channel 4 Feb 7 12:14:44 WARNING[1748]: chan_zap.c:6511 handle_init_event: Detected alarm on channel 5: Red Alarm Feb 7 12:14:44 WARNING[1748]: chan_zap.c:1586 zt_disable_ec: Unable to disable echo cancellation on channel 5 Feb 7 12:14:44 NOTICE[1745]: chan_zap.c:8451 pri_dchannel: PRI got event: Alarm (4) on Primary D-channel of span 2 Feb 7 12:14:44 NOTICE[1745]: chan_zap.c:8458 pri_dchannel: pri_shutdown Feb 7 12:14:44 NOTICE[1748]: chan_zap.c:6506 handle_init_event: Alarm cleared on channel 4 Feb 7 12:14:44 NOTICE[1748]: chan_zap.c:6506 handle_init_event: Alarm cleared on channel 5 Feb 7 12:14:44 NOTICE[1745]: chan_zap.c:8451 pri_dchannel: PRI got event: No more alarm (5) on Primary D-channel of span 2 Why? And What I can doing? Thanks --------------------------------- Yahoo! Messenger with Voice: chiama da PC a telefono a tariffe esclusive -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20060207/6d497c51/attachment.htm