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NetworkProtocol
• SIPv1(RFC2543),v2(RFC3261)
• IP/TCP/UDP/RTP/RTCP
• IP/ICMP/ARP/RARP/SNTP
• FTP/DNS/TFTP/DHCP/PPPoE
Client
• HTTP/NAT/DHCPserver
Tone
• RingTone
• RingBackTone
• DialTone
• BusyTone
• ProgrammingTone
PhoneFunctions
• VolumeAdjustment
• SpeedDial
• PhoneBook
• Flash
• SpeakerPhone
• CallHistory
• CallerID
• VoiceMessage/IncomingCall
Indicator
Codec
• G.711:64kbit/s(μ/A‐law)
• G.723.1:6.3k/5.3kbit/s
• G.726:16k/24k/32k/40kbit/s
(ADPCM)
• G.729A:8kbit/s(CS‐ACELP)
• G.729B:addsVAD&CNGtoG.729
IPAssignment
• StaticIP
• DHCP
• PPPoE
SIPRegistration
• 3independentaccounts
VoiceQuality
• VAD:Voiceactivitydetection
• CNG:Comfortablenoisegenerator
• LEC:Lineechocanceller
• PacketLossCompensation
• AdaptiveJitterBuffer
Security
• HTTP1.1basic/digestauthentication
forWebsetup
• MD5forSIPauthentication(RFC
2069/RFC2617)
QoS
• IEEE802.1QVLAN
• ToSfield
CallFunction
• CallHolding
• CallWaiting
• CallForwarding
• CallerTransferring
• CallBlocking
• CallRedial
• Three‐wayconference
NATTransversal
• STUN
• OutboundProxy
Configuration
• Webbrowser
• TFTP
• Keypad
DTMFFunction
• In‐bandDTMF
• Out‐of‐bandDTMF
• SIPinformation
FirmwareUpgrade
• TFTP
• HTTP
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