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Glossary
GL-7
Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)
OL-21862-01
voice packet
gateway
Gateway platforms that enable Internet telephony service providers to offer residential and
business-class services for Internet telephony.
VoIP
Voice over IP. The capability to carry normal telephony-style voice over an IP-based Internet with
POTS-like functionality, reliability, and voice quality. VoIP enables a router to carry voice traffic (for
example, phone calls and faxes) over an IP network. In VoIP, the DSP segments the voice signal into
frames, which then are coupled in groups of two and stored in voice packets. VoIP is a blanket term,
which generally refers to Cisco’s standard-based (for example H.323) approach to IP voice traffic.
X
XML
eXtensible Markup Language. Designed to enable the use of SGML on the World-Wide Web. XML
allow you to define your own customized markup language.