private void followGroupChannelGrantExplicit(GroupVoiceChannelGrantUpdateExplicit grant) {
Integer channelId = grant.getTransmitId();
Optional<IdUpdateBlock> idBlock = channelIdMap.getBlockForId(channelId);
if (!idBlock.isPresent()) {
log.debug(
followRequest.getChannelId()
+ " unable to process voice channel grant, id map missing "
+ channelId);
} else {
sendRequest(buildCaptureRequest(grant, grant.getDownlinkFreq(idBlock.get())));
}
}
