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VoiceCenter™ Multiline IP Phone
Software Specifications
Phone Features | + | + |
| + Speed Dialing (up to 10 entries) | + Phone Book (up to 200 contact names and phone numbers) |
| + Full Duplex Speaker Phone | + |
| + Ringer, speaker, handset and headset volume settings | + Caller ID |
| + Day/Time display | + Call timer display |
| + 9 Selective Ring tones | + Incoming call Indicator |
| + Password control for Configuration | + MP3 Ringer |
| + Internet Radio |
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Call Features | + Call Hold/Resume | + Call Mute |
| + Call Transfer (Blind, Attend & Early Attended Transfer) | + Call Forward (Busy, No answer, Unconditional) |
| + Call Waiting & Indication | + Three Way Conferences |
| + Anonymous Call / Rejection | + Message Waiting Indication |
| + Do Not Disturb | + Redial / Last Number Redial |
| + Auto Answer | + Call Park/Retrieve |
| + Call Pickup |
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Voice Codec | + G.711a/u (64kbps) | + G.729a/b (8kbps) |
Advance Voice Quality Feature | + Silence Suppression | + Acoustic Echo Cancellation (G.167) |
| + Voice Activation Detection (VAD) | + Comfort Noise Generation |
| + Jitter Buffer | + DTMF Transmitter (SIP info, Transparent, RTP 2833 relay) |
| + Packet Lost Concealment (PLC) |
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Signal, Media & Network Protocols | + SIP RFC 3261 | + SDP RFC 3266 |
| + RTP RFC 1889 | + IP assignment: DHCP, Static IP |
| + STUN, UPnP & static port mapping (for NAT traversal) | + SNTP |
| + DNS & DNS SRV | + TFTP/FTP/HTTP for Auto Provision |
| + IP/TCP/UDP/ARP/ICMP |
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Network Capability | + QoS: IEEE 802.1Q & IEEE 802.1p Compliant | + DiffServ (DSCP)/ToS |
| + Full range VLAN ID Support | + Class of Service Support by VLAN Tag |
User Interface and Network | + LCD/Keypad UI | + HTTP (WEB) UI |
Management | + FTP/TFTP/HTTP for Firmware remote update | + APS |
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| +Emergency upgrade if firmware is corrupted |
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