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I S P  G L O S S A R Y
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SIPphone
Last modified: Monday, May 02, 2005 

Based on SIP (Session Initiated Protocol) a SIPphone is a SIP service that provides a free SIP-based VoIP network. To use SIPphone you need either a SIPphone adapter or softphone software and a broadband Internet connection.  To make free in-network (SIP to SIP) calls, both sides of the call must have a SIPphone adapter or softphone. To make inexpensive calls to non-SIPphones (PSTN), you will need SIP minutes.
  Related Links

Enterprise VoIP Planet
The IT Manager's Guide to Voice over IP

SIPphone
Call worldwide over your broadband Internet connection with any phone.

Related Categories

Internet Protocols

Internet Telephony

Telecommunications

Related Terms

CO

IP

ISP

network

SIP

soft phone

teleconference

VoIP

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