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Appendix A
VIP-351PT Specifications
Product
Enterprise PoE IP Phone
Model VIP-351PT
Hardware
LAN
1 x 10/100 Base-TX RJ-45 port (802.3af support)
PC
1 x 10/100 Base-TX RJ-45 port
Display
128 * 64-pixels LCD with Back Light
4 x Line Buttons (Green LED)
4 x Soft Buttons
2 x Navigation Buttons
2 x Volume Buttons
5 x Hot Line Buttons
Function Keys
7 x Fixed Function Buttons (DND, MENU, SELECT, MESSAGE (Green LED),
MUTE (RED LED), SPEAKER (Green LED)
Protocols and Standard
Standard
SIP 2.0 (RFC 3261)
RTP(RFC 2833)
STUN (RFC 3481)
UPnP (TBD)
SNTP (RFC 2030)
TCP/IP, UDP, HTTP, ICMP, DNS, NTP
STUN (RFC 3481)
UPnP (TBD)
Outbound Proxy
Voice Codec
G.711(A-law /
μ
-law), G.729 A/B, G.723.1 (6.3 Kbps / 5.3Kbps)
Voice Standard
Auto negotiation
Acoustic echo cancellation for integrated speakerphone operations
Voice activity detection
Silence suppression
Comfort noise generation
Dynamic Jitter buffer
Call Progress Tone Generation
DTMF Support: In-band / Out-of-band DTMF (RFC 2833) / Out-of-band DTMF
(SIP Info)
Security
802.1p (QoS)
802.1q (VLAN)
Class of Service (VLAN tag or TOS)
Full Range VLAN ID Support
Features
Call Features
Caller ID display
Address Book (50)
Missed Calls (10)
Received Calls (10)
Placed Calls (10)
Date / Time Display
Speed dial configuration (mapped to 5 speed dial key)
Network Setting
Time Zone Setting
Call Flash (via Soft Key)
SIP port configurable
RTP port configurable
Call Forward: Busy Forward / No Answer Forward / Unconditional Forward
Call Waiting
Call Transfer
Call Hold
3-way Conference with transcoding
DND (Do Not Disturb)
Multi-line Appearance / Registration (up to 4)
Selectable Ring Tone
Distinctive Ring by Group Name
NTP Support
LCM Contrast Adjustment
