Cool Branch Exchange References. They offer key capabilities and features for a business to operate. It consists mainly of several branches of telephone systems and it switches connections to and from them, thereby linking phone lines.

Web an ip pbx ( internet protocol private branch exchange ) is a system that connects telephone extensions to the public switched telephone network (pstn) and provides internal communication for a business. Pbx basics modern pbx systems help make an. Not all of them will fit your business like a glove.