Home  |  Company information  |  FAQ  |  Strategic Partners  |  Contact Us  |  


3CX is a software-based private branch exchange (PBX) based on the SIP (Session Initiation Protocol) standard. It enables extensions to make calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services. 3CX for Windows, Linux, and Raspberry Pi[1] is an IP business phone system that supports standard SIP soft/hard phones, VoIP services and traditional PSTN phone lines.

What's news  |  Promotion  |  Equipment products  |  Telecom Services  |   Alliances  |  Career  | 

電話系統, 網絡電話
Links:   網絡電話  |  Toll Free  |  香港號碼  | 
© PowerTech Telecom Limited. 2005-2007