Telepremium allows SIP trunking that enables the end point’s PBX to receive calls via Internet. As SIP is applied for the signalling protocol for multiple real-time application, SIP trunk is able to control voice, video and messaging applications

When your business grows, you’ll likely need to add phone lines. If your current phone system or PBX uses analog technology, that means one phone number per line -- a costly option in terms of dollars spent, physical space needed and installation time required..