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DT638GSM

General Features

-   GSM frequency band: 900 / 1500 MHz

-   GAP compatible, 1.89 GHz / 1.9GHz full duplex communication



Call Features
-   Speaker phone

-   100 phone book entries (name, home no., mobile no., office no.), 4 groups with individual

-   9 Speed Dial Memories

-   20 entries of Caller ID log (review / call back / delete / store to phonebook)
-   10 last dialed number memories

-   SMS

-   Intercom between any two handsets


Physical Features
-   1.5” CSTN full graphic color display (128 X 128 dots) with backlight
-   Animated icon-based user interface with 7 default wallpapers
-   Multilingual menu (6 languages)
-   ringtone
-   Ringtones (13 polyphonic melodies, 5 volume levels, mute)
-   Alarm clock
-   Headset connection
-   Maximum of 6 handsets can be registered to the base unit
-   Call transfer and call conferencing
-   Talk time: 6 hours / standby time: 80 hours
-   Range: Indoor 50 m / Outdoor 300 m
-   Supported SIM card 1.8V / 3.0V

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