NingBo ChenTe Electronics Technologies Co.,Ltd No.6 First Rd,western industry Park,Lubu Town,yuyao zhejiang 315420 China Tel: 86-574-62385056 Fax: 86-574-62385056 This CT-SIP01-TP SIP door phone unit (FULL KEYPAD) allows for Visitors to speak to internal extensions and for staff receiving the call from the Visitor to choose to release the door lock by entering a pin number into their telephone keypad. It also allows for Staff to gain access by entering a PIN Code at the door using the numeric keypad on the unit. This system connects to any existing telephone exchange (PBX) or analogue phone or VOIP Analogue Terminal Adapter and allows two way speech between the visitor and any programmed extension, plus the operation of any connected door release using DTMF signalling from the PBX. •.Standard SIP 2.0 protocol •.2* RJ45 10/100M Ethernet ports (support POE) •.1~3*Programmable buttons •.12V power input •.2* Short circuit input/output •.External amplifier •.G.711A/U,G.722,G723.1,G.726-32,G729AB •.One-click get IP address and reset • 12 keys with /without illuminated keypad (12V blue led) •.Auto provisioning • Speed dial • Hand free •.Compatibility with platforms like Broadsoft, VoS,FreeSWITCH and Asterisk/Elastix, etc. •.Working Temperature: -30 -- 45℃ •Waterproof level: IP65 •.Dimension: 136*206*45mm •.Package: Specification & QIG/ Ethernet cable (Optional)/ Powe