Specifications

    * Mfr Part Number: DPH-540
    * Features:
          o Call Virtually Anywhere in the World Through a Wireless Network with High-Speed Internet Connection
          o Get Secure Access to an 802.11g or 802.11b Wireless Network with WEP, WPA, or WPA2 Encryption
          o Large, Bright Color LCD Screen Displays Easy-to-Read Text and Call Information
          o Supports any SIP-based VoIP Provider such as TelTel, BroadVoice, SIPPhone, and Vonage
    * Wireless Standards: IEEE 802.11g, IEEE 802.11b
    * VoIP:
          o SIP v2.0
          o RFC-3261
          o Coding: G.711 u / A-Law, G.729A / B
    * Networking:
          o IPv4, TFTP, DNS
          o DHCP Client
          o NAT Transversal; Static NAT, UPnP
    * Buttons:
          o 2 Soft Keys & 4 Directional Keys
          o Volume Control Key
          o Send/End/Cancel Key
          o Redial/Hold Key
    * Memory: NOR 16MB Flash, 12MB SRAM
    * Quality of Service: WMM
    * Battery: Li-Ion 900 mAh
    * Security: WEP, WPA, WPA2
    * Minimum System Requirements:
          o Access to an 802.11g or 802.11b Wireless Network with high-speed Internet connection
          o Valid VoIP Telephone Service Account
    * Certifications: FCC
    * Dimension (WxDxH): 1.9 x 1.0 x 4.5 inch
    * Weight: 0.5 lb