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IP Phone

Call Function
  • 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 and TFTP)
SIP Protocol
  • Proxy Registration and Failover
  • Outbound Proxy
  • 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
Ethernet
  • Dual 10/100 Based-T Through RJ-45 Interfaces
DTMF / Ring Signal
  • DTMF(Dual-Tone Multi-Frequency)
  • Multiple Ring Tones
  • My Bell:10 Rings
  • Call Progress Tone Generation(Dial Tone, Busy and Audible Ring back)
  • DTMF generation
IP Network
  • RTP/RTCP, Secure RTP
  • DNS : A record(RFC 1706), SRV record(RFC 2783)
  • NAT / NAPT
  • VLAN : IEEE 802.1q
  • QoS : IEEE 802.1p, DiffServ(RFC2475)
  • Network Address Assignment:Static IP/DHCP
Management
  • Password Protection for Admin mode and User mode
  • Management Protocol:SNMPv2(RFC2782)
  • Auto Provisioning:DHCP TFTP, Static TFTP, HTTP
  • Remote Software Upgrade:http,tftp
  • Remote Configuration
Codec
  • CNG(Comfort Noise Generation)
  • Echo Cancellation:G.168 Compliance
  • Codec Auto Negotiation
  • Codecs
    Narrow Band:G.711uLaw/aLaw, G.729A/B
    Wide Band:G.722, G.722.1, G711.1
  • Echo Suppression(G.164)
  • Enhanced Packet Loss Concealment
  • Silence Suppression(G.164)
  • VAD(Voice Active Detector)
  • Adaptive Jitter Buffer
  • Dynamic Payload Support
  • Adjustable Audio Frames per Packet
  • Flexible Dial Plan Support with Inter-Digit Timers
Display
  • 160 x 80 Graphic LCD with Back light
  • Language: Korean, English
  • Ringing and Message Indicator
Hardware Specification
  • Operating Temp:-5~50 °C
  • Storage Temp:-20~70 °C
  • Humidity:10~95%(Non-Condensing)
  • Phone Stand
  • Handset:RJ-9 Modular Connector