OBI110: Disconnect Tone Pattern

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malomyasa:
My OBI110 sometimes suddenly ends calls.
Parameter Line->DisconnectTonePattern = 480-30,620-30;10;(.25+.25)
Can anybody explain me numbers in this string?

202Owner:
The problem could be anywhere.  Most default OBi settings are fine and should only be changed knowingly.  That particular setting is very likely not your issue.  You can probably read about it in the OBi admin guide.

Ideally, you should ask your VoIP service provider (ITSP) for support.

Otherwise, you will need to explain more about your services (ISP, ITSP) and equipment (phones, ata, router, wiring) and its performance history to aid someone to narrow in on the problem.  And be able to troubleshoot the problem on your end.

It could take much effort only to determine that your OBi might be defective or your phone might be flakey or the cat chewed the cord or the connector is coming undone... it could take much trouble shooting skill.

malomyasa:
Thank you for answer. But my question is: explain me numbers in "DisconnectTonePattern", please.

ianobi:
Quote

480-30,620-30;10;(.25+.25)

This looks like "Fast Busy Tone":
480Hz mixed with 620Hz both at -30dBm, for a duration of 10seconds. The tones will be on for .25 seconds, then off for .25 seconds.

I'm assuming that we are talking about your PSTN line here. Several conditions can cause false hang-ups. If it is only affecting PSTN calls, then I would disable all of the following:

DetectCPC
DetectPolarityReversal
DetectFarEndLongSilence
DetectDisconnectTone

If both caller and callee hang up after the call, then the call should still disconnect.

If the above solves the problem, then enable each parameter that you think you may need. Personally, I would never enable DetectPolarityReversal or DetectFarEndLongSilence, but this does depend on what country you live in and local PSTN line signals.

202Owner:
Quote from: malomyasa on February 20, 2015, 06:09:53 am

Thank you for answer. But my question is: explain me numbers in "DisconnectTonePattern", please.


Tone patterns are explained in the OBi admin guide on page 163.  The guide is on the website.  Go find it and read it.

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