Features :
★Professionally designed panel with hotel name and logo printed available.
★Compatibilited with the PBX of NEC,SIEMENS,PHILIPHS,Alcatel,
Huawei and others mainstream switches .
★ One-touch button(+12,+10、+8、+5、+3、+0).
★Flash time adjustble to fit for different exchange and three way talk,
standard flash time is 600ms.
★14 digits memory.
★Dual tones electronic ringing
★Speaker volume Hi/Low adjustable.
★Hand-free call volume multilevel adjustable.
★Handsfree, redial, 3 way conference.
★Ringer indicate light
★ The hiding keys STORE、PAUSE
★Flash/Transfer.
★Auto re-dial.
★Dest and wall mountable.
★Data socket.
★Thunder-proof and Anti_EMI design.
★waterproof and moistureproof.