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1136b
2004 Dec 01
3
zaptel and low ring voltage
Hi all,
Several months ago we built an * box with a quad-FXO tdm400p (REV e/f).
>From the get-go, there has been a problem where occasionally (2-3 times
a week) zaptel/* will not detect the ringing on a line. (The call will
ring through to telco voicemail).
The problem is not specific to a single line or FXO port on the tdm400p.
I have 2 theories:
#1 - the ring voltage for some calls is