The DPH-400GE IP Phone is mainly designed for general office users (from VSE, SOHO to SMB) in VoIP communication. With sophisticated and elegant design, this platform has high performance and can offer versatile features and specifications to meet different environment requirements. It can be installed on LAN /DSL/Cable network environment and registered to SIP registrar Server(s), soft switch(es), IP-PBX(s), or IMS-based system and let SIP-enabled terminals to communicate with. Beyond this, user’s PC can be connected to this phone instead of LAN directly. The phone comes with a plastic Housing and some accessories, including handset, handset cord, keypad, keys and wall-mounting kit. A LCD display on the panel provides direct visual interface with user. User can use keypad/LCD or Web browser to configure this phone.

Key Features:

• Connectivity: Allows connection to a network and direct registration with VoIP systems. Additionally, it offers a bridge for the user’s PC to connect through the phone instead of directly through LAN.
• Display and Interface: Features a clear LCD display for a direct visual interface and easy interaction through both the keypad and LCD or via a web browser for configuration.
• Voice Codec Support: Includes multiple codec supports such as G.711a/u, G.729A/B, G.723.1, G.722, AMR, AMR-WB, and iLBC for flexible voice communications.
• Advanced Voice Quality Features: Enhances call quality through silence suppression, acoustic echo cancellation (G.167), voice activity detection (VAD), comfort noise generation, jitter buffer, DTMF transmission, and packet loss concealment (PLC). HD Voice enhances handset audio clarity.
• Supplementary Call Features:
  • Extensive call handling features including hold, resume, mute, transfer (blind, attended, semi-attended), forward (busy, no answer, unconditional), and waiting.
  • Supports three-way conferencing, anonymous call, call rejection, message waiting indication, do not disturb, and auto-answer.
  • Additional functionalities such as blacklist, limit list, auto hang-up, auto redial, ban outgoing calls, hotline, BLF/presence, intercom, call pickup, and action URL/active URI for enhanced call management.

Networking and Protocols:

• Network Protocols: Supports a broad range of protocols including SIP RFC 3261, RTP, STUN, SNTP, DNS & DNS SRV, and more for comprehensive network compatibility.
• Voice Networking: Equipped with TFTP, FTP, HTTP, and HTTPS for network configuration and management.
• Connection Modes: Offers Bridge/Route mode to suit different network infrastructure setups.

Design and Accessories:

• Housing: Comes in a durable plastic casing with accessories including a handset, handset cord, keypad, keys, and wall-mounting kit for easy setup and use.