Jay R. Ashworth wrote: > On Fri, Oct 12, 2007 at 11:09:59PM +0200, F6HQZ wrote: > >> Check if you have a ground loop. >> If yes, this is probably the cause of this hum. >> Open the loop. >> > > Actually, hum involving analog POTS lines is usually the result of the > line becoming unbalanced to ground. >
Or else running your phone wiring in parallel with and too close to electrical (line voltage) wiring, resulting in induction (crosstalk, as it were). _______________________________________________ --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