Now that you understand how today’s voice networks work, let’s take a look at how real-time voice over a data network works. Voice over Packet Networks Allow Real-Time…

Computer Network Tutorial

Foreign Exchange (FX) trunk signaling can be provided over analog or T1/E1 links. Connecting basic telephone service telephones to a computer telephony system via T1 links requires a…

Computer Network Tutorial

Signaling Between the Telephone and PBX A telephone can be in one of two states: off-hook or on-hook. A line is seized when the phone goes off-hook.Off-hook—A telephone…

Computer Network Tutorial

You can’t really understand voice/data integration unless you understand telephony. This section covers that. Voice Systems Rely on Public Switched Telephone Networks In a typical voice/analog telephone network,…

Computer Network Tutorial

There is a lot of technology and a lot of issues that are important to understand with voice/data integration. There’s also a lot of jargon and vocabulary. Pace…

Computer Network Tutorial

Example: Personal Telephony Services One of the greatest advantages of the new world IP telephony system is the ease of intelligent integration with existing applications.  End users can use…

Computer Network Tutorial

Today, voice and data typically exist in two different networks. Data networks use packet-switching technology, which sends packets across a network. All packets share the available network bandwidth….

Computer Network Tutorial