Multitech MULTIVOIP MVP-2410 User Manual page 136

Technical Configuration (T1/E1)
The IP Parameters fields are described in the table below.
Field Name
DiffServ
Parameter
fields
Call Control
PHB
Voip Media
PHB
Frame Type
IP Parameter Definitions
Values
DiffServ PHB (Per Hop Behavior) values
pertain to a differential prioritizing
system for IP packets as handled by
DiffServ-compatible routers.
values, each with an elaborate technical
description. These descriptions are found in
TCP/IP standards RFC2474, RFC2597, and,
for present purposes, in RFC3246, which
describes the value 34 (34 decimal; 22 hex) for
Assured Forwarding behavior (default for
Call Control PHB) and the value 46 (46
decimal; 2E hexadecimal) for Expedited
Forwarding behavior (default for Voip Media
PHB). Before using values other than these
default values of 34 and 46, consult these
standards documents and/or a qualified IP
telecommunications engineer.
To disable DiffServ, configure both fields to 0
decimal.
The next page explains DiffServ in the
context of the IP datagram.
0 – 63
default = 34
0 – 63
default = 46
Type II, SNAP
136
MultiVOIP User Guide
Description
There are 64
Value is used to
prioritize call setup IP
packets.
Value is used to
prioritize the RTP/RTCP
audio IP packets.
Must be set to match
network's frame type.
Default is Type II.