VG248 and analog lines and modem compatibility

Unanswered Question
Feb 12th, 2008

I am having problems with some modems dialling out after we converted the analog lines to go through a VG248. Especially the US Robotic older modems - seem to establish a connection and then drop it - for some reason.

I have this problem too.
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jasonfield999 Thu, 06/11/2009 - 11:40

Hi - Did you resolve this issue ?

We are experiencing the same issue on a fax server with US Robotics modem connected to a VG-224 analogue gateway.

However, when the modem is connected to a TDM (Nortel Meridian)POTS line, it works fine.

Ideas ?

ReadersUK Thu, 06/11/2009 - 12:44


modems dont work very well on voip, make sure speed is low. What type of outside lines are you using if its T1 or E1 do show controller command and see if you have slips.



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