VoIP System

Model Number

Stonehenge IP 250

Overview

Stonehenge^TM IP250 is fully featured business IP phone that has a converged communications capability of data and voice over a single wiring infrastructure. The internal intelligent 2-ports Ethernet switch allows for direct connections to both the phone and a collocated PC without degrading of CPU performance. The system administrator can designate separate VLAN(802.1Q) for the pc and IP phone, to provide improved security and voice and data reliability.

The substantial implementation of the latest VoIP standards enables customers to deliver efficient services and productive applications with third party's IP PBX equipments.

Specification

Display & Keys

• 2 x 16 Character LCD or 128 x 64 Graphical LCD
  
• 12 Dial Keys/ 21 Function Keys

Basic Features

• Call Waiting / Forwarding / Pickup / Holding
  
• Call Transfer
  
• Three-way calling: conference
  
• Call lock/ unlock
  
• Speed Dialing/ Hotkey
  
• Redialing
  
• Dial Plan
  
• Call Logs: Outgoing, Incoming, Missed Calls
  
• Phonebook: Memorize 100 entries
  
• Do Not Disturb function
  
• Backup Server Support

Additional Features

• SMS /Voice mail
  
• Multiple Ring ton / My bell
  
• Auto Provisioning (DHCP, TFTP)
  
• Remote configuration
  
• Remote S/W upgrade
  
• F/W upgrade: Web interface, TFTP
  
• DTMF: In-of-band (RFC 2833)
  
• Out-of-band (SIP info)
  
• Language support: English
  
• Password Protection
  
• Monitoring
  
• CID (Caller ID)

Voice Features

• Standard Voice Protocol: SIP
  
• Codec: G.711uLaw/aLaw with PLC, G.729A/B
  
• Codec Auto Negotiation
  
• Adaptive Jitter Buffer
  
• Echo Cancellation (E.168 compliance)
  
• VAD (Voice Active Detector)
  
• CNG (Comfort Noise Generation)
  
• Silence Suppression

Audio Interface

• Full-Duplex Speakerphone/ Headset
  
• Built-in Microphone and Receiver
  
• Handset with RJ-9

Network/Connectivity

• Support IPv6 (Optional), IPv4
  
• NAT/PAT
  
• Static IP/DHCP/PPPoE
  
• VLAN (IEEE 802.1q)/ QoS (IEEE 802.1p, DiffServ)
  
• PoE (802.3af) (Optional)
  
• 10/100BASE-T Ethernet Switch
  
• 2 Console Ports (RJ45): PC/LAN,

Physical Dimensions

• Measurements: 218 X 165 X 86mm (H X W X D)
  
• Weight: 800g
  
• Color: beige, black

Environmental

• Operating Temp: 0~45°C
  
• Storage Temp: -20~60°C
  
• Humidity: 10~85% (Non-Condensing)

Power

• Rated Input: AC100~240V, 50/60HZ
  
• Rated Output: DC 5V, 1A