Features - 10 Single-Touch Speed Dial Memories - 16-Digit & 16-Character LCD Display with 5-Level Contrast Control - 16 Ring Melodies Selectable - 76 Caller ID Memories - 80 Phone Book Entries, 16 Characters for Each Name, 20 Digits for Each Number - Automatic Call Timer - Battery-Free Solution - Call Back from Caller ID Memory - Cellular Phone RFI Noise Immunity - Business Grade High-Quality Speakerphone - Data Port : RJ11 Jack - Flash Time (100/200/300/400/600/900ms) Adjustable - FSK/DTMF CLIP - Hold with Mute, Music & Extension Release - Intelligent Auto Busy Redial - Last 16 Dialed Numbers Review and Redial - Message Waiting and Incoming Call Indication - On-Hook Delay 1.2 Seconds for PBX to Prevent Ring Back - Speakerphone and LCD Display Work well with Line Power Alone, Without Battery - Speed Dial Memories & Phone Book Entries will be Saved During Power Failure
The GXP1620/25 is a reliable Basic IP phone for the user who requires standard features for a light to medium call volume. Stay in touch with others with its 2 lines/SIP accounts, enjoy crystal clear HD audio and utilize its dual-switched 10/100 mbps ports (with integrated PoE on the GXP1625) for a flexible deployment. Maximize your productivity with essential supported features such as 3-way conferencing and 3 XML programmable soft keys. Together, these featuresmake the GXP1620/25 an easy-to-use and effective Basic IP phone.
As all Grandstream IP phones do, the GXP1620/1625 features state-of-the-art security encryption technology (SRTP and TLS). The GXP1620/1625 supports a variety of automated provisioning options, including zero-configuration with Grandstream’s UCM series IP PBXs, encrypted XML files and TR-069, to make mass deployment easy.
1 SIP line HD Voice in handset and speakerphone Dual 10/100 PoE ports 128x32 graphical LCD with multi language support Full duplex speakerphone 2 line appearances 3 context sensitive soft keys XML support Headset jack Broad IP PBX interoperability Advanced telephony features: mute, hold, transfer, forward, 3-way conference, auto-dial, auto-answer, click-to-dial, downloadable ringtones