LG Electronics LKD-8DS, GDK-20W installation manual Features of Isdn CO Line T-Interface

GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM

4.3 The Features of ISDN CO Line ( T-Interface )

1. Normal CO Line Features
	Normal CO Line Features of STIB/BRI is the same as Analog CO Line. Normal CO Line Features are
	described GDK-20W Manual. Consult your GDK-20W for normal CO Line Features.
2.	MSN
	GDK-20W will receive some called party number from PX via DID line, then looks up the MSN address
	TABLE, ISDN Program (Main Menu 4) - MSN Table (Sub Menu 9) to provide ring signal to an ISDN
	internal port.
	GDK-20W will send the information including the called party number to the ISDN station that is
	ringing.
	(1)	Maximum table entry : 24.
	(2)	The CO line should be programmed as DID Line, CO Base Program (Main Menu 3) – ISDN
		Attribute(Sub Menu 2) - DID Use(Terminal Menu 4).
	(3)	If the called party number is not matched with MSN table then GDK-20W will treat the call like
		as DID.
	(4)	If the called CO line number is not programmed then search all tables.
	(5)	If there is matched CO line number in MSN address table then search only matched entry of
		the table.
	(6)	Maximum 8 device can be connected to a S0 port.
	(7)	MSN Table. ISDN Program (Main Menu 4) - MSN Table (Sub Menu 9)
		Item	CO Line Number	Telephone Number	Station Number	MSN Number
		Flex	1	4	2	3
		Range	1-8	Max 20 Digits	2 or 3 Digit	1-8
					Station Number
		Default	None	None	None	None
3.	D.I.D. ( Direct Inward Dialing )

The system operates DID CO, if ISDN CO assigns DID CO through CO Base Program (Main Menu3) – ISDN Attribute (Sub Menu2) – DID Use (Terminal Menu 4). If you want to call to a ISDN station which assigns sub-addressing of DID or DISA, you should dial station numbers and sub-address or MSN number (1-8).

If your PX send full called party number(area code + prefix number of DID, real DID number(for station number)) and then please set CO Base Program (Main Menu3) - ISDN CO Attribute (Sub Menu2) - DID_RN(Terminal Menu2) to length of (area code + prefix did number)).

4.CLIP (Calling Line Identification Presentation)

When a call exists through DISA or DID, Calling line identification(CLI) of the incoming call will be displayed on the internal called station’s keyset if PX provide CLI information.

-. Calling line identification (CLI) or name which is matched with the speed dial list is displayed to original called party extension.

-. First, The system search station speed dial buffer to find out the programmed name, and if there is not matched then search system speed dial buffer.(Not implemented Yet)

-. CLI information will be printed in SMDR record through RS-232 port.

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