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View Full Version : overlapped call progress tone



waik
08-30-2009, 05:47 PM
when a user make a phone call thru PABX using the VOIP gateway, ocassionally you can hear 2 call progress tone overlapped, after the call established (e.g. one call progress tone gone), the called party still hear a call progress tone while the caller didn't, also, both can't hear each other.

anyone has this problem?

Boot loader: 4.1.7/Release
Firmware Version: 5.1.4GW/Release