DAG2000 Series FXS Voice Gateway User Manual
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Dinstar Technologies Co., Ltd.
5. Glossary
• DNS:Domain Name System
• SIP:Session Initiation Protocol
• TCP:Transmission Control Protocol
• UDP:User Datagram Protocol
• RTP:Real Time Protocol
• PPPOE:point-to-point protocol over Ethernet
• VLAN:Virtual Local Area Network
• ARP:AddressResolution Protocol
• CID:Caller Identity
• DND:Do NOT Disturb
• DTMF:Dual Tone Multi Frequency
• NTP:Network Time Protocol
• DMZ:Demilitarized Zone
• STUN:Simple Traversal of UDP over NAT
• PSTN:Public Switched Telephone Network