K&A Uni-Tech Limited.  

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Hotel telephone for Guest room with 1Line
1. 1-Line/Full length customizable faceplate /On line programming
2. 0/1/5/10 programmable memory service button
3. Touch message indicator to read message directly
4. Message waiting indicator for both low and high voltage signal
5. Adjustable flash-hook timer /Ringer volume (Hi-Lo) adjustable
6. Auto disconnect on busy tone detection
7. High quality speaker
8. Redial /copy function /Hold/Mute