Technical Configuration

MultiVOIP User Guide

 

 

Voice/Fax Parameter Definitions (cont’d)

Field Name

Values

Description

 

 

 

Dynamic

Jitter

 

 

 

 

Maximum

60 to 400

The maximum dynamic jitter buffer

Jitter Value

ms

of 400 milliseconds is the maximum

 

 

delay tolerable over a high jitter

 

 

network.

 

 

Default = 300 msec

 

 

 

Optimizat-

0 to 12

The Optimization Factor

ion 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.

 

 

Default = 7.

 

 

 

Modem Relay

To place modem traffic onto the voip network (an application called “modem relay”), use Coder G.711 mu-law at 64kbps.

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Multi-Tech Systems MVP210-SS manual Modem Relay, Optimization Factor, 124