I am having the similar requirement - along with that. Customer also wanted PRI Redundancy.
Means - if one of the PRI goes down - the call has to be routed through other PRI.
Any ideas to achieve this request.
I resently did a factory Reset of 7911G phones:The step i followed were1. Power up the phone (unplug power cable and plug in again and hold the # key.2. Release # when MWI starts flashing.3. Press 3491672850*#.Observation: a) the mwi started blinkin...