Patent ID: 8467763

Claim:
A method of establishing a voice communication session, the method comprising: receiving, by an intermediary server, alarm data over a wireless data channel, the alarm data being transmitted from a wireless communication module located at a monitored property and indicating an alarm event at the monitored property; receiving, by the intermediary server, a first voice call placed by the wireless communication module over a wireless voice channel that is different from the wireless data channel, the intermediary server receiving the first voice call separately from the alarm data; associating, by the intermediary server, the alarm data with the first voice call received from the wireless communication module over the wireless voice channel; based on association of the alarm data with the first voice call received from the wireless communication module over the wireless voice channel: transmitting, by the intermediary server, the alarm data to a monitoring system that is different from the intermediary server; initiating, by the intermediary server, a second voice call to the monitoring system; and based on the first voice call received from the wireless communication module over the wireless voice channel and the second voice call initiated to the monitoring system, establishing, by the intermediary server, a two-way voice communication session between a communication device used by an operator at the monitoring system and the wireless communication module.