Multi-Tech Systems Multivoip Model Mvp400/800 Voice/fax Over Ip Networks User Guide

Chapter 4 - MultiVOIP 400/800 Software 

52 MultiVOIP 400/800 User Guide
Introduction
This chapter describes various features of the MultiVOIP 400/800 software that enable you to change
(update) the configuration of your MultiVOIP 400/800. The basic configuration parameters were
established during the loading of the software (Chapter 3). The MultiVOIP 400/800 software and
configuration utilities described in this chapter enable you to change that initial configuration as
necessary.
The primary interface to the MultiVOIP 400/800 software is the...

53 Chapter 4 - MultiVOIP Software
MultiVOIP 400/800 Configuration
The MultiVOIP 800 Setup menu consists of 10 buttons, an Events window in the middle of the menu,
and a status bar at the bottom of the menu.  The 10 buttons allow you to display and change the
voice channels and IP protocol parameters, display and manage the Phone Book listing, view
statistics and call progress, and change features such as SNMP Agent, Telnet Server, WEB Server,
and assign a MultiVOIP 400/800 password.
The Events window in...

54 MultiVOIP 400/800 User Guide
Changing Channel Parameters
The channel parameters include the interface type and its options, voice and fax settings, billing and
security, and voice communications for the country and region in which the MultiVOIP 400/800 is
operating. The Channel Setup dialog box, accessed by clicking the Voice Channels button on the
Setup menu, has four tabs that display the following categories of channel information -- Interface,
Voice/Fax, Billing/Misc, and Regional.
Interface
The...

55 Chapter 4 - MultiVOIP Software
E&M Interface
The E&M Interface is used to connect PBX E&M trunks.  You will need to select between Dial Tone or
Wink signaling and also between 2-wire and 4-wire mode.  If wink signaling is selected, the wink
timer field becomes active with a range from 100 to 350 milliseconds.  Contact the personnel in
charge of your PBX to determine the proper configuration of these settings.
FXO Disconnect On
The FXO Disconnect On option applies when two MultiVOIP 400/800s are used...

56 MultiVOIP 400/800 User Guide
Voice/Fax
The Voice/Fax tab controls voice and DTMF gain, voice coder, fax settings, and advanced options.
The Voice Gain group enables you to select the Input and Output voice gain. Gain is the increased
signaling power that occurs as the signal is boosted by the MultiVOIP 400/800. The Input Gain drop-
down list defines the input gain for this voice channel. Before your MultiVOIP 400/800 digitizes voice,
the volume can be increased or decreased. Input gain modifies the...

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Billing/Misc
This tab controls the parameters for auto call, automatic disconnection, billing options, and dynamic
jitter buffer.
The Auto Call option allows the local MultiVOIP 400/800 to call a remote MultiVOIP 400/800 without
the user having to dial a Phone Directory Database number.  As soon as you access the local
MultiVOIP 400/800 voice/fax channel, the MultiVOIP 400/800 immediately connects to the remote
MultiVOIP 400/800 that you identified in the Remote...

58 MultiVOIP 400/800 User Guide
The Optimization Factor determines how quickly the length of the Dynamic Jitter Buffer is changed
based on actual jitter encountered on the network. Selecting the minimum value of 0 means low voice
delay is desired, but increases the possibility of jitter-induced voice quality problems. Selecting the
maximum value of 12 means highest voice quality under jitter conditions is desired at the cost of
increased voice delay.
The Optimization Factor can be configured in the range...

59 Chapter 4 - MultiVOIP Software
Changing the Phone Directory Database
The Phone Directory Database dialog box displays all the phone numbers in your MultiVOIP 400/
800 network.  The database displays the phone numbers in numerical order with destination details
(i.e., IP Address (or H323 ID), channel assignment, and a brief description of the entry (e.g., New
York Office 1). The method for changing the phone directory database is dependent on whether the
Gatekeeper option or the Proprietary Phonebook...

60 MultiVOIP 400/800 User Guide
In the Station Information group, the phone number does not have to be a conventional phone
number; for example, it does not have to be 717-5565. It can be a single digit or several digits. For
example, you could enter a phone number of 101 with a description of New York Office 1.
The Station Identification group enables you to assign the entry to a Hunt Group, provide the IP
Address, and accept the H.323 industry standard Port number.  A Hunt Group is a series of...