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1.2. Phone Specifications
Protocol
IETF SIP (RFC3261)
Network Interface
RJ45 x 2, 10/100BaseT
LCD Display
2 x 16 characters
Key Pad
25 keys
Call Features
Call Hold / Resume
Call Mute
Call Transfer (Unattended /
Blind & Attended)
Call Waiting
Call Forward (Busy /
No Answer / Unconditional)
Caller ID Display
Anonymous Call
Anonymous Call Blocking
In band DTMF / Out-of-band
DTMF (RFC 2833) /
SIP INFO
3-way Conference
Redial
Message Waiting Indicator
(RFC3842)
SMS (RFC 3428)
Auto Answer (Support SIP
server required)
Codec
G.711µ-law
G.711a-law
G.729a/b
Phone Functions
Multi-user (4 SIP accounts)
Speakerphone
communication
Pre-dial before sending
Hot Line
Handset / Speakerphone
Volume adjustment
Pre-dial before sending
Hot Line
Handset / Speakerphone
Volume adjustment
Speed dial (10 records)
Phone book (200 records)
Call history (Incoming calls /
Outgoing calls / Missed
calls)
MP3 Ringer
Internet Radio
Security
HTTP 1.1 basic/digest
authentication for Web setup
MD5 for SIP authentication
(RFC 2069/ RFC 2617)
Dial Methods
Direct IP call without SIP
registration
Dial number via SIP server
Dial URI from phone book /
speed dial
Voice Quality
VAD (Voice Activity
Detection)
CNG (Comfort Noise
Generation)
AEC (Acoustic Echo
Cancellation)
G.168
Jitter buffer
QoS
ToS field
IEEE 802.1Q VLAN
Tone
DTMF
Ring Tone, 8 selectable
tones
Ring Back Tone
(local and remote)
Dial Tone
Busy Tone
NAT Traversal
UPnP
STUN
Static port mapping
TCP/IP
IP/TCP/UDP/DHCP/RTP/
FTP//HTTP/NTP/TFTP/DNS
Configuration
Key & LCD configuration
Web browser configuration
Auto/Manual provisioning
system
(Support TFTP/HTTP/FTP)
Firmware Upgrade
TFTP
Auto/Manual provisioning
system
(Support TFTP/HTTP/FTP)
Power
Input AC 100-120V /
220-240V
Output DC 5V
Environmental
Operating temperature: 0～
40℃
Storage temperature: -20～
60℃
Operating humidity: 20%～
80%
Physical Dimensions
Size: 196(L) x 198(W) mm
Wall Mount
Weight: 760g
Color: Dark Gray
Certification Compliance
FCC Part 15 Class B
CE Class B
VCCI Class B
EN60950