C H A P T E R 1 Cisco H.323 Signaling Interface Overview - Cisco Signaling Interface H.323 User Manual

Chapter 1 Cisco H.323 Signaling Interface Overview
Figure 1-2
SNMP
Workstation
OAM Subsystem
The OAM subsystem provides the following services:
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Call Control Subsystem
The call control subsystem provides the following services:
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OL-4806-01 Rev. A14
Cisco HSI Subsystems
SNMP
Master Agent
Third party
Man-Machine Language (MML) interface that enables you to retrieve operational parameters and
modify configuration values through direct input or through batch files
SNMP interface that allows statistics and alarm retrieval
Management to provide automatic restart of the Cisco HSI application and control over the running
of the process
Statistics, events, call trace, and alarm output to files
Alarm events output to the MML interface
Overload control
Manages the Reliable User Data Protocol (RUDP) and H.323 stacks
Implements Enhanced ISDN User Part (E-ISUP)
Manages H.323 call control
Performs the conversion of calls between H.323 and E-ISUP call control messages
Provides call management and overload reduction actions
SNMP
Subagent
H.323 Signaling
Interface
Call Control
RUDP RADVision
H.323 Signaling
PGW 2200
interface
Cisco H.323 Signaling Interface User Guide
Cisco HSI System Description
MML
Batch File
Process
MML
Manager
Process
MML Log File
Alarms
Statistics
MML logfile
OAM
Provisioning files
Call trace
Logging
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