voip call

What is the VoIP Call?  VoIP or Voice over internet protocol is a relatively new telephony system.  The system is based on Internet technologies.  A VOIP call is voice communication …

Read morevoip call

What is PBX

What is PBX? PBX means a private branch exchange.  Fist need to understand what is exchange.  In a Telecom network, a switching system is located on a premise. The premise …

Read moreWhat is PBX