Multi-Tech Systems MVP-2410, MVP-3010, MultiVOIPTM, E1 manual 106

Technical Configuration MultiVOIP User Guide

E1 Parameter Definitions (cont’d)

Field Name	Values	Description
Line Coding	AMI / B8ZS	Match to PBX or telco.
PCM Law	A-Law/Mu-Law	Match to PBX or telco. “
		Mu-law” is analog-to-digital
		compression/expansion
		standard used in North
		America. “A-law” is European
		standard.
Yellow Alarm	Bit 2 / 1111…	Depending on the Frame
Format		Format used, there are choices
		of Yellow Alarm format, as
		follows:
		D4: -Bit2= 0 in every speech
		channel
		-FSbit of frame 12 is forced
		to one.
		ESF: -Bit2= 0 in every speech
		channel
		–1111111100000000 pattern
		in data link channel.
		Check with your PBX/telco
		administrator for the correct
		setting or use the default value
		(1111 … ).

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