code: func (p *Processor) ActivateChannel(id, jobCreator string,
  	agent bool) (string, error) {
  	var jobType string
  	if agent {
  		jobType = data.JobAgentPreServiceUnsuspend
  	} else {
  		jobType = data.JobClientPreServiceUnsuspend
  	}
  
  	return p.alterServiceStatus(id, jobCreator,
  		jobType, "", activateTransitions, false)
  }
docs: // ActivateChannel tries to activate a given channel.