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Multi-Tech Systems MVPFX2-2 User Manual

Page 70

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Technical Configuration

MultiVOIP FX User Guide

70

Voice/Fax Parameter Definitions (cont’d)

Field Name

Values

Description

DTMF Parameters

Duration

(DTMF)

60 – 3000

ms

When DTMF: Out of Band is selected,
this setting determines how long each
DTMF digit ‘sounds’ or is held. Default
= 100 ms.

DTMF

In/Out of

Band

Out of

Band, or

Inband

When DTMF Out of Band is selected,
the MultiVOIP detects DTMF tones at
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.

Out of Band

Mode

RFC 2833,

SIP Info

RFC2833 method. Uses an RTP

mode defined in RFC 2833 to

transmit the DTMF digits.

SIP Info method. Generates dual

tone multi frequency (DTMF) tones

on the telephony call leg. The SIP

INFO message is sent along the

signaling path of the call.

You must set this parameter per the

capabilities of the remote endpoint

with which the voip will

communicate. The RFC2833

method is the more common of the

two methods.