Not only are we able to now reduced the specific client’s telephone call costs by +-40% but we are also able to provide them with high quality voice calls via the VoIP platform of O-Tel.
Asterisk
Asterisk is a software implementation of a telephone private branch exchange (PBX) originally created in 1999 by Mark Spencer of Digium. Like any PBX, it allows attached telephones to make calls to one another, and to connect to other telephone services including the public switched telephone network (PSTN) and Voice over Internet Protocol (VoIP) services....
read more











