Can anyone help me with the term that SBC uses to refer to disconnect supervision? I have an Adit 600 channel bank which has helped improve the disconnect detection time down to about 8 seconds. This is still causing some issues in particular with call progress enabled in * we are having a few disconnects while calls are in session (about 2 reported in first 5 days of use).
I have talked both to a local phone contractor and SBC directly and no one seems to know what I am talking about. The phone contractor knew about the issue with other phone systems in the area but didn't know there was a way to fix it and SBC reps seem to never have heard of disconnect sup or calling party disconnect. The * Handbook refers to loop start with call sup as kewlstart are there other names for this protocol? One of the local contractors thought that SBC automatically drops line voltage on remote hangup, in which case I need to know what signalling to program into the ADIT 600's fxo channels. I also have the option of going to groundstart signalling if this would fix the problem, but it would cause some line downtime so it is not my preferred method. The Adit 600 manual lists the following options for mapping FXO ports to the T1 DSO. DPT = Dial Pulse Termination EMDW = E&M Delayed Wink start EMI = E&M Immediate start EMICPD = E&M Immediate Start with Calling Party Disconnect EMW = E&M Wink start GS = Ground Start GSRB = Ground Start with Reverse Battery LS = Loop Start LSCPD = Loop Start Calling Party Disconnect LSRB = Loop Start with Reverse Battery VoIP = Voice over IP (CMG only) I believe I currently have the lines set to LSCPD which improved the hangup situation, but hasn't completely fixed it. I don't know if this has any relevance but I am also originating the clock source from the * side with Wildcard T1 card. -- Jonathan Moore Director of Technology Winfield Public Schools Office 620.221.5100 Fax 620.221.0508 Visit Winfield Public Schools at http://usd465.com ------------------------------------------------- This mail sent through IMP: http://horde.org/imp/ _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
