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Protocol¡GSIP (RFC3261)
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Interface: 1 Ethernet (WAN) & 1 Ethernet (PC)
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LCD: 2 lines x 16 letters
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Codec: G.711A-Law/u-Law, G.729AB, G.723.1
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Voice Quality: VAD, CNG, AEC (G.168)
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Easy setting by Web browser
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Auto firmware upgrade¡]TFTP¡^
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3-way conference ¡P Speed Dial
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Phone Book
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IP address: Static IP/PPPoE/DHCP
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NAT traversal: UPnP and STUN
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Handset/Speaker phone
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Out-of-band DTMF (FRC2833)
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Voice Mail with message waiting indicator
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Call Forward (Busy, No answer, Unconditional)
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Call Transfer (Unattended, Blind, Attended)
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QoS: IEEE 802.1q ¡
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Anonymous call block, Caller ID
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Jitter buffer auto adjustment
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