Patent ID: 9271257
Filing Date: 2016-02-23
CPC Classification: H04W

Claim Text:
1. A method comprising: affiliating, by a radio via a first channel, with at least one talk group the radio is interested in receiving calls from; sending, by the radio, a request to transmit location information on a separate revert channel; receiving, by the radio, a first grant time period to transmit location information on a particular revert channel in response to the request; moving, by the radio at substantially the first grant time period, away from the first channel to the particular revert channel to at least one of transmit location information and transmit a request for a second grant time period on the particular revert channel; receiving, by the radio, an announcement on the particular revert channel after the first grant time period that a call of interest associated with the at least one talk group started while the radio was on the particular revert channel; determining, by the radio, an assigned traffic channel for the call of interest; and switching, by the radio, from the particular revert channel to the assigned traffic channel in order to receive the call of interest.