Multi-Tech Systems MVP-410ST/810ST, MVP-130/130FXS, MVP-2410/3010 manual Fax Volume, 231

MultiVOIP User Guide		Technical Configuration (Analog/BRI)
	Voice/Fax Parameter Definitions (cont’d)
	Field Name	Values	Description
	DTMF Parameters
	Duration	60 – 3000	When DTMF: Out of Band is selected,
	(DTMF)	ms	this setting determines how long each
			DTMF digit ‘sounds’ or is held. Default
			= 100 ms. Not supported in 5.02c BRI
			software.
	DTMF	Out of	When DTMF Out of Band is selected,
	In/Out of	Band, or	the MultiVOIP detects DTMF tones at
	Band	Inband	its input and regenerates them at its
			output. When DTMF Inband is
			selected, the DTMF digits are passed
			through the MultiVOIP unit as they are
			received. In 502c BRI software, “DTMF
			Out of Band” can be checked or
			unchecked.
	FAX Parameters
	Fax Enable	Y/N	Enables or disables fax capability for a
			particular channel.
	Max Baud	2400, 4800,	Set to match baud rate of fax machine
	Rate	7200, 9600,	connected to channel (see Fax machine’s
	(Fax)	12000,	user manual).
		14400 bps	Default = 14400 bps.
	Fax Volume	-18.5 dB	Controls output level of fax tones. To
	(Default =	to –3.5 dB	be changed only under the direction of
	-9.5 dB )		Multi-Tech’s Technical Support.
	Jitter Value	Default =	Defines the inter-arrival packet
	(Fax)	400 ms	deviation (in milliseconds) for the fax
			transmission. A higher value will
			increase the delay, allowing a higher
			percentage of packets to be
			reassembled. A lower value will
			decrease the delay allowing fewer
			packets to be reassembled.
	Mode (Fax)	FRF 11;	FRF11 is frame-relay FAX standard using
		T.38	these coders: G.711, G.728, G.729, G.723.1.
		(T.38 not	T.38 is an ITU-T standard for storing
		currently	and forwarding FAXes via email using
		sup-	X.25 packets. It uses T.30 fax standards
		ported)	and includes special provisions to
			preclude FAX timeouts during IP
			transmissions.

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