Tag Archives: isdn

Trunking number

Communications Server or Lync Server uses the SIP address to route incoming calls and send voicemail to the user. By default, the SIP address used by UM will be the SIP address used by Communications Server or Lync Server. How do I get a SIP trunk? The settings you will need to switch to SIP… Read More »

Sip lines cost

What will replace ISDN? In short, PSTN and ISDN circuits are being replaced by VoIP (Voice over Internet Protocol) systems. To make the transition, your company can choose a hosted system or talk to us about upgrading your existing telephone system so that you can connect it to your broadband connection. Is ISDN disappearing? The… Read More »

What is the difference between SIP and PRI?

What does PRI mean in telecommunications? The PRI is a widely used network interface within the Integrated Services Digital Network (ISDN). PRI is a form of TDM, allowing you to transmit over 23 different networks via voice, record, or video. How does the PRI line work? The PRI telephone uses the standard Primary Rate Interface… Read More »