INTRODUCTION TO THE IP250D
1 Introduction to the Teledex IP250D VoIP Network Terminal
The Teledex IP250D VoIP network terminal is very similar to a modern business desk telephone. Instead of using telephone lines, it connects to the office network in the same manner as computers and printers do. The acronym VoIP means Voice over Internet Protocol. The voice and control signals to and from the IP250D are entirely digital data that is transmitted over the office data network, rather than phone lines.
FIGURE 1.1 – THE IP250D KEYSET
1.1 THE IP250D WORKS LIKE A TELEPHONE
The IP250D functions in a manner very similar to a modern office telephone that is connected to a PABX (private automatic branch exchange.) In this user’s guide, the IP250D VoIP network terminal will sometimes be referred to as a “phone.”
1 Teledex IP250D User’s Guide SIP/MGCP
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