AUTOMATIC SEMI AUTOMATIC TELEPHONE SWITCHING

Brand	Owner	Address	Description
GTX-400	GTE AUTOMATIC ELECTRIC INCORPORATED	NORTHLAKE ILL.	AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE SWITCHING SYSTEMS FOR SUBSCRIBERS' PREMISES;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A system for implementing telephone services on one or more telephone installations, themselves having several telephone terminals managed by one or more private automatic branch exchanges. To this end, the system has a piece of server type computer equipment, accessible by a computer network, and one or more interfaces capable of sending signaling control signals corresponding to the service or services requested to drive one or more automatic branch exchanges, these interfaces being connected for this purpose to telephone lines of the automatic branch exchanges.