Urgent! ! Please come in about the hotel phone number. ...

The equipment is a combination of program-controlled private branch exchange and digital transmission of program-controlled telephone exchange, which can form an integrated service digital network and realize not only telephone exchange, but also fax, data and image communication exchange. Program-controlled PBX has the advantages of fast processing speed, small size, large capacity, strong flexibility and many service functions, which is convenient to change the functions of PBX, build intelligent network and provide users with more and more convenient telephone services. Therefore, it has become the main system of modern telephone exchange.