Grandstream

Call Controls -- Grandstream Analog Gateway
CALL HOLD   Place a call on hold by pressing the “flash” button on the analog phone (if the phone has that button). Press the “flash” butto...
Thu, Mar 13, 2014 at 5:02 PM
How to find IP address on Grandstream HT502
Dial *** then 02
Tue, Apr 1, 2014 at 5:12 PM
Grandstream HT502 IVR Option Menu
See attached
Tue, Apr 1, 2014 at 5:15 PM