Call Handling Functions

• Call Forwarding
• Call Hold
• Call screen/ Do Not Disturb
• Call Pickup
• Call Transfer
• Call Waiting
• 3-Way Conference call
• SIMPLE Based Instant Messaging and Presence
• Auto Provisioning (HTTPS, HTTP, TFTP)

SIP Protocol Compliance

• Proxy Registration and Failover
• Outbound Proxy
• Multi-User Registration
• Registration Timer
• SIP Transport – UDP,  TCP,  TLS
• Secured Media Negotiation(SRTP)
• Realm-Based Authentication(Digest Authentication)
• Session Timers
• DNS Query (A Record, SRV, NAPTR)
• CoDec Negotiation
• DTMF Relay RTP Payload(RFC 2833) or SIP Info
• Hook Flash Signaling
• Visual Message Waiting Indicator

DTMF/Ring Signal

• DTMF (Dual-Tone Multi-Frequency)
• Multiple Ring Tones
• My Bell : 10 Ring Tones
• Call Progress Tone Generation
• (Dial Tone,  Busy,  Audible Ring Back)
• DTMF Generation (RFC 2833 In-Audio or Out-of-Band SIP Info)

Display

• LCD : 128x32 Black/White Graphic LCD
• Multi-Language Support : English, Korean, Czech, and Others

Voice & Codec

• CNG (Comfort Noise Generation)
• Echo Cancellation : G.168 Compliance
• Codec Auto Negotiation
• CoDecs
  -Narrow Band -G.711μLaw/aLaw with PLC, G.722.1, G.723.1/A, G.726, G.728, G.729A/AB/E , Broadvoice®16
  -Wide Band – G.722.1, Broadvoice®32
• Echo Suppression (G.164)
• Enhanced Packet Loss Concealment
• Silence Suppression (G.164)
• VAD (Voice Active Detector)
• Adaptive Jitter Buffer
• SIPFrag (RFC 3420)
• Dynamic Payload Support
• Adjustable Audio Frames per Packet
• Flexible Dial Plan Support with Inter-Digit Timers

IP Network

• IPv4 (RFC 791), IPv6(RFC1883) Dual Stack  (Optional), TCP, UDP, HTTP, ARP, ICMP
• RTP/RTCP, Secure RTP
• DNS: A Record (RFC 1706), SRV Record (RFC 2783)
• NAT/PAT
• VLAN: IEEE 802.1q
• QoS : IEEE 802.1p, DiffServ(RFC 2475)
• Network Address Assignment: Static IP/DHCP, PPPoE

Power

• Power Adaptor: Output DC5V/1A, Input AC100~240V(50/60Hz)
• Power Consumption: 5Watts (Max)

Management

• Password Protection for Admin Mode and User Mode
• Management Protocol : SNMPv2 (RFC 2782)
• Auto Provisioning : DHCP TFTP,  Static TFTP,  HTTP
• Remote Software Upgrade : http, tftp
• Remote Configuration

Ethernet

• Dual Switched 10/100 Based-T Through RJ-45 Interfaces
• 10/100BASE-T : 2 Ports Providing Auto-MDI/MDIX, Enabling the Use of Straight or Crossover Cable in Either Port
• 1 RJ-45 Port to Connect LAN or Wan, This Port Supports Optional PoE (IEEE802.3af or In Line Power)
• 1 RJ-45 Port to Connect PC

Key & Button

•  Dial Keys : 12 Keys (0 to 9, * and # Key – ITU(E.161)
•  10 Function Keys
•  Speaker Phone Button for Conference Call
•  8 Memory Dial Keys
•  5 Navigating Keys : Up, Down, Left, Right, Menu, Enter, ESC
•  Volume Up/Down Keys for Ringer, Speaker and Handset Receiver
•  Phonebook: Record 100 Entries
•  Call History Logs: Records 60 Entries for In/Outbound Calls
• and Missed Calls.

Technical Spec

• Dimensions (Main body) : 220x160x61mm (WxHxL)
• Weight :  600g
• Color : Black / Beige
• Operating Temp : 0~45 ° c
• Storage Temp :  -20~60 °c
• Humidity : 10~85% (Non-Condensing)