Patent ID: 8060213

Claim:
Method in a telemetry system for establishing communication between an implantable medical device and a base station of said telemetry system, comprising the steps of: starting, in said base station, a first timer, determining, in said base station channels that are free for communication among a number of available channels, and selecting one of said free channels; starting, in said base station, a second timer, that operates independently of said first timer, upon selecting said one of said free channels; transmitting, as long as said first timer or second timer has not expired, a recognition message on the selected channel to the implantable medical device, establishing, upon receipt of a recognition reply message from said implantable medical device, communication between said base station and said implantable medical device on said selected channel; and if said second timer has expired while said first timer has not expired and if no recognition reply message is received from said implantable medical device, repeating the steps of: determining and selecting a free channel, starting the second timer and transmitting a recognition message to the implantable medical device.