Technical Documentation

Technical Documentation

Integrated Multi-Service Gateway (IMSG), JUNOS Release 9.6

The IMSG provides session border controller (SBC) functionality that enables you to deliver voice, video, and other multimedia services with assured quality and security.

OverviewConfigurationAdministrationTroubleshooting
Configuring the IMSG

Enabling the BSG Service Package on the PIC or DPC

Setting Up System Processes

Configuring the Services PIC or DPC for the BSG

Configuring the Services PIC or DPC for the BGF

Configuring NAT Pools

Assigning a NAT Pool

Configuring Virtual Interfaces

Creating a Rule That Specifies the NAT Pool to Use on a Virtual BGF

Specifying the Order in Which the BGF Processes Rules

Configuring a Stateful Firewall

Configuring a Service Set

Configuring a Virtual BGF

Creating BSG Instances

Configuring a Gateway Controller

Using Regular Expressions to Match Incoming SIP Messages to Policies

Configuring a New Transaction Policy

Using New Transaction Policies to Route SIP Requests

Configuring Message Manipulation Rules

Using New Transaction Policies to Manipulate SIP Headers or to Reject SIP Messages

Configuring Call Admission Control (CAC)

Configuring New Transaction Policy Sets

Configuring a New Call Usage Policy

Configuring New Call Usage Policy Sets

Attaching Policies to a Service Point

Configuring Routing of VPN Calls

Configuring SIP Timers

Configuring QoS

Configuring Firewall and Intrusion Prevention System (IPS) Services for SIP Signaling Traffic
Verifying the IMSG Configuration

Verifying the IMSG Configuration
Configuration Statements

actions

admission-control

committed-burst-size

controller-address

controller-port

data-inactivity-detection

default-media-realm

dialogs

egress-service-point

embedded-spdf

family

forward-manipulation

fpc

from

gateway

gateway-address

gateway-controller

gateway-port

inactivity-duration

instance-type

interface

manipulation-rule

match-direction

media-policy

media-service

media-type

message-manipulation

message-manipulation-rules

nat-pool

new-call-usage-policy

new-call-usage-policy-set

new-transaction-policy

new-transaction-policy-set

next-hop

next-hop-service

pgcp-rules

policy-options

pool (NAT)

pool (Service Interface Pool)

ports-per-session

request-uri

reverse-manipulation

route

route-distinguisher

routing-instances

rule

rule-set

service-class

service-domain

service-interface

service-interface-pools

service-point

service-policies

service-set

service-state

sip

sip-header

stateful-firewall-rules

term

then

timer-c

timers

transactions

transport-details

unit

virtual-interface

vrf-export

vrf-import
Tracing Border Signaling Gateway Operations

Tracing Border Signaling Gateway Operations
Tracing the SBC Configuration Process

Tracing the SBC Configuration Process
Troubleshooting the IMSG Commands and Statement

file (BSG)

file (SBC)

flag (BSG)

flag (SBC)

sbc-utils

signaling

sip-stack

traceoptions (BSG)

traceoptions (SBC)