Model No.:RTB6628
Main Features(changeable)

1.FSK/DTMF compatible automatically
2.Insert 1 original songs, 1 Koran, 8 normal rings and 5 chords music
3.LCD contrast adjustment
4.Real clock LCD display
5.Calculator function
6.5 groups AZAN play and 3 groups of alarm clock
7.Number talking in English/Farsi/Arabic selectable
8.HF/Ring volume adjustment
9.5 –digit local area code, 3-digit PABX code
10.38 incoming and 9 outgoing call memories
11.Privacy function
12.Pre-dial number talking and 4 key tone selectable
13.Flash time 100ms/120ms/180ms/300ms/600ms/1000ms selectable
14.Pre-dial, edit dialing number and ring back function
15.Hold on music
16.Anti- thief switch on/off
17.3-step lock
18.Do not disturb control
19.In USE LED indicator