SpoTel Series Voice Gateway:-‐ User Manual45Figure 4.11-8 Factory Reset Interface4.11.9 Device RestartCertain configuration changes will require a reboot before applying to the gateway.Figure 4.11-9 Device Restart5. 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