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Appendix A
APPENDIX A ACRONYMS
Table 6 List of acronyms used in this manual
Acronym Expansion
CDR
Call Details Record
CHAP
Challenge Handshake Authentication Protocol
DB
Database
DHCP
Dynamic Host Configuration Protocol
DISA
Direct Inward System Access
DNS server
Domain Name Server
DTMF
Dual Tone Multi-Frequency
LAN
Local Area Network
MIME
Multipurpose Internet Mail Extension
NAT
Network Address Translation
PBX
Private Branch Exchange
RAS
Remote Access Service
RBT
Ring-Back Tone
RTP/RTCP
Real-Time Protocol/Real-Time Transmission Protocol
SIP
Session Initiation Protocol
SMTP
Simple Mail Transfer Protocol
SSL
Secure Socket Layer
SW
Software
TTL
Time-To-Live period
VoIP
Voice Over IP
WAN
Wide Area Network
DVX-7090 VoIP Router page 79 of 83