Detailed Product Description

1-line fixed wireless terminal Support standard subscriber line interface,it can connect with telephone,subscriber PBX,charge meter Indicate different operating status ,network signal strength,network status,off hook,on-hook Provide accuracy reversal polarity signal for charge meter Provide ring signal,dial tone,line busy,incoming singal Pre-set local code and IP number and recognize the adding number before dialled Provide phone security lock functions and manage effectively for operator (lock SIM cardphone lock to SIM cardlock network operator lock BST cell) Support network management of charge meter,remote update new charge list to charge metre through SMS from network management centre