6
1.2. Phone Specifications
Protocol
IETF SIP (RFC3261)
Network Interface
RJ45 x 2, 10/100BaseT
LCD Display
2 x 16 characters
Key Pad
37 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)
Call Park / Retrieve (RF3515)
Direct Station Selection (DSS)
Busy Lamp Field (BLF)
Call Pickup (Support SIP server
required)
Auto Answer (Support SIP server
required)
Codec
Handset / Speakerphone
Volume adjustment
Speed dial (10 records)
Phone book (200 records)
Multi-line (up to 12 lines)
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
NAT Traversal
UPnP
STUN
Static port mapping
TCP/IP
IP/TCP/UDP/DHCP/RTP/
FTP/ICMP/HTTP/SNTP/TFTP/
DNS
Configuration
Key & LCD configuration
Web browser configuration
(Multi-Language)
Auto/Manual provisioning
system (Support
TFTP/HTTP/FTP)
Firmware Upgrade
TFTP
Auto/Manual provisioning
system
(Support TFTP/HTTP/FTP)
Power
Adaptor
Input AC 100-120V / 220-240V
Output DC 9V
LAN Port
Power over Ethernet
(IEEE 802.3af)
Environmental
Operating temperature: 0
~
40
℃
Storage temperature: -20
~
60
℃
Operating humidity: 20%
~
80%