Each user of Vartel services subscribes to a certain amount of concurrent calls.
When you reach your concurrent call limit the outside world will receive a normal busy signal. As an inside user you will hear the following recorded message:
This will serve as an indicator to you and your users that the maximum concurrent call limit has been reached. Should you hear the recording often you may wish to consider adding an addition concurrent call channel or maybe more than one.
Please contact Vartel customer support if you have questions.