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Hongkong Koon Technolgy Limited plan to attend the 2016 Huston OTC oil industry exhibition in U.S.

Hongkong Koon Technolgy Limited is the unique manufacturer for company internal communication,which get the international certification of IEC ATEX TUV CE ,FCC,ETL EMC LVD,ISO9000.etc.
Hongkong Koon Technolgy Limited will bring the Shanghai SIP broadcasting system and explosion proof telephones KNEX-1.Meanwhile,we also bring the global high-tech SIP,tunnel communication solution and internal broadcasting system for refinery,


Analogue telephone matching with most PABX, PBX and PAX system
Robust SMC 2600 glassfibre reinforced polyester die-cast body, Vandal resistant and tamper-resistant hardware, simple installation.
Busy tone detection for auto release the line if line busy
Dry contact for external control automation 

Auto answer
Full Soft lock: only dial out from phone book 50 memory address number
Half soft lock: limit to dial out starting number, e.g. “00852” area code
High temperature approval 
Ring sound 95 dB dfd in 1 m and 10 ringing tone melodies selectable
Listening by loudspeaker: 70dB in 1m
Phone book memory: 50 address ( name & number) programmable
Stainless steel keypad for dial and manuel
Magnetic reed hook-switch
Telephone line powered. No external power or battery required

LCD display include 
Manu setting
Welcome text programmable e.g: welcome to koontech telephone
Full soft lock or half soft lock 
Phone book up to 50 address number selectable
Ring speaker up to 4 level selectable
Hands free talking sound up to 4 level selectable
Handset receiver sound up to 4 level 
Up to 9 Ring tone melodies selectable 
Back light up to 4 level selectable 
The dialing number 
Calling time counting