PSTN/TEL/PBX to Bluetooth Trunk
	Pepole don't change the dialing habit.
	The most important is to be far away from electromagnetic wave and save expenses.
	30 groups function of Route Database, PHONE side dial out can be set up by the Database, then automatic dial out by PSTN or Mobile System.
	Hardware Device1
	1.Connect to Phone
	2.Connect to PSTN (optional)
	3.Turn on Power
	Hardware Device2
	1.Connect FXO of PBX with Phone
	2.Connect to PSTN (optional)
	3.Turn on Power
	Hardware Device3
	1.Connect FXO of PBX with Phone
	2.Connect to PSTN (optional)
	3.Turn on Power
	Software set up
	1. Prepare Bluetooth Mobile and GP-520 to pair
	2. Set up the location what you are (if you need, you also can set up the local code)
	3. Set up the object that 520 will pair to