This Caller ID Telephone Headphone System with RJ9 and 2.5mm Jack, convenient to use, and gives you a direct optical angle. Special noise defense for the microphone, makes sure high fidelity on your telephone conversation.

You can use it in a calling center, at a help desk, in a sales office, or just as a comfortable phone in your home office.

 
Features & Specifications:
 
Clear and Distinguishable for speech sound
FSK / DTMF dual system auto switch
62 group Caller ID message memories
16 group outgoing message memories
3 group one-touch dialing memories
5 digital of local area code
Flash time 100/300/600/1000ms selectable
Music on hold function
5 levels of LCD contrast adjustment
12 digits of number of incoming call display
15dB speakerphone volume control
Ringer of outside and inside option function, incoming call indication
In use indication
RJ9 and 2.5mm jack
 
Package List:
telephone x 1 pcs
User manual x 1 pcs
Telephone Line x 1 pcs
Bracket mount x 1 pcs
Headset x1 pcs
 
503-1

 

 
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Headset Key Features:

 

Other description:

 

503+

 

 

 

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