Specification :

Interconnection initiated by dispatcher
Operator of SmartPTT dispatcher console can connect radio and telephone subscriber by means of the Call Window. Radio subscriber makes voice call on the channel dedicated to telephone gateway requesting the dispatcher for interconnection. Functionality of the Call Window allows easy dialing of target telephone subscriber number and establishment of the interconnection.
Telephone subscriber can make voice call to a radio by dialing prefix number and Radio ID programmed in MotoTRBO radio. Preliminarily, it is necessary to perform settings of VoIP Gateway with the range of numbers corresponding to IDs of MotoTRBO radios and their forwarding to SmartPTT telephone gateway.
To do telephone call, Radio subscriber pushes PTT button and dial the phone number on the radio’ s keypad in DTMF mode ( for MotoTRBO Firmware 1.7 or later and SmartPTT 7.0.7 or later) . Also Radio subscriber can send text message with the number of the phone subscriber to the Control Station installed for telephone interconnection. SmartPTT telephone gateway service transforms the number into SIP-address and makes the call to VoIP Gateway. When telephone subscriber picks up the phone and start talking, SmartPTT transmit the voice to the radio by means of the MotoTRBO Control Station or Repeater.