The process for establishing call in a cellular system fixed, fixed cellular telephone system, and fixed cellular terminal.

摘要

'' process for establishing call in a cellular system fixed, fixed cellular telephone system, and fixed cellular terminal '' in a fixed cellular telephone system.The placement of a set of telephone wire pattern "off the hook" triggers the establishment of a connection of voice channel / traffic between a fixed cellular terminal is connected and the switching of SIS.Theme cell. Digits of the telephone number from which the call is routed through the telephone set are entered.These digits are then transmitted by the fixed cellular terminal for switching the mobile network service as out of band data messages transported over a channel of control suportFor the connection of voice channel / traffic is established.The digits of the data message are then converted to tone multi - frequency (DTMF), dual toneWith the tones processed in a conventional way to complete the connection of the call to the called party.