1.1. Hardware
ARM926EJ CPU
8MB SDRAM
2MB Flash Memory
Two RJ-45 10/100baseT Network Interfaces with Built-in 3-port 10/100M Switch
WAN: RJ-45, 10/100Mbps autosensing (with Power over Ethernet, IEEE 802.3af function)**
LAN: RJ-45, 10/100Mbps autosensing
38-Buttons Keypad
Display: 4-line X 20-character LCD
Handset RJ-7 Interface
Built-in Full-duplex Speakerphone
1.2. Functions
Status Indication -Talk & Idle & Hold & Unregistered
Backlight
Call Timer
Speed Dial -10 Numbers Max
Redial
Incoming Call with Number and Name Displaying
Call Transfer -Attended & Blind
Call Forwarding -Unconditional & No Answer & on Busy
Do Not Disturb
250 Name and Number Phonebook -2 Numbers per Contact
Calling Number with Phonebook Name Matching
Call Log -Outgoing, Answered and Missed Calls (Each 100 Entries)
Digital Answering Machine
Two-way Recording
Configurable Ring Tones
Full Duplex Speakerphone
Mute
Shard Lines
Multiple Lines
Multiple Proxies
Music on Hold
Backup Setting
GMT Setting
Date and Time display (Manual / SNTP)
Provision
Dialplan
Web based configuration
3-party conference
1.3. Networking
DHCP- Dynamic Host Configuration Protocol
PPPoE-Point-to-Point Protocol over Ethernet
Bridge (Switch Mode)
NAT - Network Address Translation
NAT/FW Traversal
TCP/IP - Transmission Control Protocol/Internet Protocol
SIP - Session Initiation Protocol
RTP - Real-time Transport Protocol
RTCP - Real-time Transport Control Protocol
DNS - Domain Name Service
FTP - File Transfer Protocol
HTTP - Hyper Text Transfer Protocol
DTMF - Dual Tone Multi-Frequency
SNMP - Simple Network Management Protocol
PSTN - Public Switched Telephone Network
VLAN - Virtual Local Area Networks
1.4. Security
Password Protected for Configuration
MD5 for SIP Authentication
1.5. Voice Quality
VAD - Voice Activity Detection
CNG - Comfort-Noise Generation
AEC - Acoustic Echo Chancellor
QoS - Quality of Service
Jitter Buffer
Codec Support - G.711 & GSM 6.10 & G.729
1.6. Maintenance and Provisioning
Web Browser Administration via Built-in Web Server
Provisioning via FTP/HTTP
Upgradable via HTTP

