17 LTR TRUNKING64 Function Reference Version: 1.1117.4 Telephone InterconnectIn LTR Trunking Systems, you can connect to the PSTN(Public Switched Telephone Network) via the RIC(Repeater Inter Connect).17.4.1 Connecting to the Phone LineTo make a phone call using the transceiver, you must usea microphone with a keypad. However, the microphonewith a keypad is not required to make a phone call whenusing the Autodial function.! Transceiver Operation# Connecting to the Phone Line Using the AutoTelephone Function1. Select the phone number you want to call usingthe Autodial function.(Refer to 20 DTMF.)2. Press [S2].The transceiver is automatically connected tothe phone line.A user cannot dial the phone number bypressing the PF Auto Telephone key if nonumber is configured, even though thetransceiver enters the Off-hook status (dial tonestandby). While the transceiver receives the dialtone, you can transmit the phone number usingthe Manual Dialing function or the Keypad AutoPTT function.# Connecting to the Phone Line using the PTTSwitch1. Select the GID that the Telephone ID isconfigured.The “ ” icon appears.2. Select the phone number to call using theAutodial function.(Refer to 20 DTMF.)3. Press the PTT switch.The transceiver is connected to the phone line.The transceiver is connected to the phone linewhen the PTT switch is pressed while the GIDthat the Telephone ID is configured. In thiscase, the transceiver enters Off-hook status(dial tone standby). While the transceiverreceives the receiving tone, the user cantransmit the phone number using the ManualDialing function or the Keypad Auto PTTfunction.# Disconnecting the Phone Line1. Press [#] or the PF Disconnect key duringcommunication.The transceiver is disconnected from the phoneline.! Configuration using KPG-89D• Assigning functions to the PF keys (Refer toFPRG 6.8 Key Assignment.)17.4.2 Auto Telephone SearchThis function allows the transceiver to search for anavailable RIC repeater and automatically connects thetransceiver to the repeater.The transceiver automatically searches for an availabletelephone interconnect line to make a call. This functionis similar to the memory dial function of a mobile phone,allowing the user to easily make a call.Zones satisfying the following conditions are targeted forthe search. When no Zone matches these conditions, theDeny Tone sounds and the Auto Telephone Searchfunction does not operate.• At least, 1 Zone is in the Auto Telephone Search list.• There is a RIC repeater in the above Zone.• There is a Group ID having the LTR ID configured asthe Encode ID used to connect to a phone line in theabove Zone.! Transceiver Operation1. Press the PF Auto Telephone key.The “AUTO TEL” appears on the Main Display andthe “ ” icon blinks.The transceiver starts the Auto Telephone Search.TK-2180/ 3180TK-7180/ 8180