We just installed an NEC DSX 80 into an establishment with TechValley digital lines handed off to analog signaling.

Issue: Sporadically the voicemail (intramail) will not recognize DTMF and goes into a constant loop. I cannot reproduce this on a consistent basis.

Attempted Solution: Turned up the receive gain on all trunks to +3.0 dB and I'm doing the waiting game.

Are there any specific things I need to ask the dial tone provider (TechValley) to adjust? Has anyone had this issue with TechValley in the past?

NOTE: This is NOT a phone system equipment issue. The system works consistently off the customer site fed by pots lines.

Any insight would be greatly appreciated. Customer is IRATE.

"I'm the one that has to die when it's time for me to die, so let me live my life, the way I want to."
-- Jimi Hendrix