1. DPH 400 SE Operator Phone

2. D-Link DPH 400SE DPH-400SE is a full-feature Operator telephone that provides voice communication over the same data network that your computer uses. This phone functions not only much like a traditional phone, allowing to place and receive calls, and enjoy other features that traditional phone has, but also it owns many data services features which you could not expect from a traditional telephone.

3. Basic Features  Supports 5 SIP Lines  Supports 5 External console(EDM) modules  DPH 400 EDM module supports 26 DSS keys  Supports SIP 2.0 (RFC3261) and correlative RFCs  Support IAX2 (Optional)  SIP supports 5 SIP servers, and backup SIP servers. Can connect to these SIP servers at the same time.  Voice Codec ： G.711A/u, G.7231 high/low, G.729a/b, G.722,G.726 ， iLBC ， AMR-NB ， AMR-WB  Support Voice Gain Setting, VAD, CNG  Support jitter buffer  Full duplex hands-free speakerphone  SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call  DTMF Relay ： support inband, SIP info, RFC2833  Support customized music rings  Support STUN  Support SMS based on SIP  Volume(hand free/handset/headset/ring) adjustment  Professional Speaker/handset HD Voice  Ergonomic handset(acoustical cochlea)  Supports L2TP VPN

4. Front Panel view

5. Rear Panel view