The selective call acceptance allows controlling incoming calls by making a list of telephone numbers which you are ready to accept. But incoming calls from subscribers that are not listed are directed to the answering machine by which the caller is informed that you do not accept calls at the moment.
General Telephone & Telegraph is a Telecommunications Solutions Provider. We work with companies to make sure that they have the best telecommunications systems that they need to operate their business effectively for both their employees and their custom
Read more