What's the Door Phone selling points?
As Public telephone for indoor or outdoor, Taxi or bus stands or station, Highway call box Railway, metro, ATM machines side, Tunnel, Port, Dock, Mines, Generation facilities...
A good ideal telephone for use in wet or corrosive atmospheres
DTMF(Dual Tone Multi Frequency)
Standard and SMART Analogue and VoIP-SIP options available
Matching with most PABX, PBX and PAX systems
What's The Door phone one button intercoms industrial telephone Specifications?
2. Ambient temperature: -30 ~ +60 degreeRelative humidity: 10%~95%Atmospheric pressure: 86~106Kpa Circumstance noise: less than 60dB(A)
Welcom to our company-koontech !
Any new question about the Door phone SIP for public area office club intercom, pls contact me any time.
Email: mrkt46(at) koontech.com
Skype: mrkt46(at) koontech.com
Tel: Tel: +86755-29116366/27448753-8019