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Enhanced Communication Server (ECS) Ver. 5.5

Introduction

January

2008

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At the end of this lesson, the participantwill be familiar with the ECS functionality

and capabilities

Lesson Objective

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Enhanced Communication Server (ECS) - Overview

Manages IP telephony and multimedia communication network including:

MCUsGatewaysEndpoints

ECS acts as a Zone Manager and performs:Internal and external policy managementPhone book managementCall managementMonitoring and statistics

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Supports

All standards compliant H.323 EndpointsAnything supporting H.323 v2 and higherGatewaysMCUs

ECSH.323

XML

Radius

LDAP

HTTP

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Agenda

ECS Registration Features

Managing Calls Features

Network Topology

Additional Features

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Policies

Internal policiesExternal policies

ECS

Registration Authenticati

on Server

Call Authorizatio

n Server

RegistrationCall initiation (admission)

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Phone Book Management - Address Translation

192.

114.

36.2

02Bob

Alias IP Address

BILL 192.114.36.2

2053 192.114.36.2

MARKETING 192.114.36.2

BOB 192.114.36.202

THE FOX 192.114.36.202

Address Translation Table

Bill Bob192.114.36.202

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Phone Book Management – Registration Policies

Policy: Who can register?Internal Policy

License capacity limitationsConfigurable capacity limitationsPredefined endpoint managementRegistration restrictions

External PolicyLDAP server authenticationRadius server authentication

Keep AliveLightweight registrationIRQ

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Call Management – Registration Policies

Call establishment and controlPolicy: Who can call?

InternalLicense capacity limitationsConfigurable capacity limitationsPolicy manager

GroupsBandwidth

ExternalAuthorization servers

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Groups

Set identical service levels

Allow/prevent initiating calls

Allow/prevent receiving calls

Allow a single set of services

Set maximum bandwidth to/from endpoint

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Authorization - Summary

A user is trying to make a call (Admission request):Internal:

EP registered to the ECSGroups limitations

Receive and make callsServiceBandwidth

Subzone and interzone rules limitations

External – Authorization Server

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User Authentication Using External Server – LDAP Server

LDAP

Reg Request

Reg Request

Reject/Confirm

Reject/Confirm

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Agenda

ECS Registration Features

Managing Calls Features

Network Topology

Additional Features

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Managing calls

Address translationRouting modesAuthorization server (XML API)Redirection rules (forwarding/fallback)Dialing policies (conference hunting, line hunting, group hunting)Bandwidth policy (groups and sub-zones)Billing (CDRs)3rd party call control (XML API)

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Call Routing Policies

InternalConfigurable routing mode

DirectCall Setup (Q.931)Call Setup and Call control (H.245)Firewall Traversal (RTP)

Forwarding and fallbackServices

Line huntingConference huntingGroup hunting

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Call Management – Make Call

Administrator initiated call establishment (H.245 mode)

ECSSide A

Side B

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Routing Mode

•Basic management•Hierarchy•Registration authentication•Call authorization•Alternate GK•Bandwidth policy•Limited forwarding and fallback•Limited billing

•Improved billing•Complete forwarding and fallback•Line, conference, group hunting

•Additional billing information•Make call

•Firewall traversal

DirectQ.931H.245RTP

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Services

Line Hunting Conference Hunting

Service Provider 1

Service Provider 2

Service Provider 3

ECS

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Conference Hunting

8012380123

80123 8012380123

Conference opened on MCU1Conf Number : 80123

MCU1 MCU2 MCU3

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Group Hunting – Call Centers

Customer calling a call center5555555

Busy

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Monitoring and Statistics

Summary and details of registrations and callsEvent log and SNMP trapsCDR files for billingApplication logs

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Event Log

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Agenda

ECS Registration Features

Managing Calls Features

Network Topology

Additional Features

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Network Topology

Configure multiple gatekeepers in a network structure:Flat topology - neighboring gatekeepersHierarchical network – Consists of Parent and Child GatekeepersECS can neighbor to any standard Gatekeeper.

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Hierarchical Network

Middle Level

Child ECS knows only ParentLowest Level

Regional GKs, call routing,GWs and MCUs

Scalable and modularFault resilientExpandableManageable

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Dial Plan Sample

Zone: 00, 011Stripping: YES

Inter

USA

Haifa 1

Zone: 1Stripping: YES

Append zone prefix: 1Parent Filter: 011

Israel

Zone: 972Stripping: YES

Append zone prefix: 0Parent Filter: 00

Tel Aviv

HaifaZone: 04

Stripping: YESParent Filter: 0

Zone: 03Stripping: YESParent Filter: 0

Haifa 2

Tel Aviv 2 Zone: 600, 601

Stripping: NO

Tel Aviv 1 Zone: 820, 821

Stripping: NO

Zone: 600, 601Stripping: NO

Zone: 540, 541Stripping: NO

Tel Aviv 2-2

Tel Aviv 2-1

60041118201234

6004111602123460031115419876

5294300

Zone: 6004Stripping: NO

Zone: 6003Stripping: NO

6003222

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Redundancy - Alternate Gatekeeper

ECS Alternate optionAlternate Gatekeeper for hot standby functionality

Assures round-the-clock services

Two ECS on same subnetPrimary and Secondary, 1 active GKRAS database synchronizedRapid failover, automatic mechanismNo configuration at Terminal Endpoints

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Agenda

ECS Registration Features

Managing Calls Features

Network Topology

Additional Features

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TTL Expires

ECS un-registers the endpoint

Endpoint Re-registers?

ECS regards the endpoint as “online”

yes no

TTL Mechanism

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Forwarding & Fallback

ForwardingUnconditionalOn BusyOn No Answer

FallbackWhen Not LocatedOn BW capacity limitOther

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Advanced Bandwidth Control

Define rules for the management of bandwidth resources on your network

Define multiple sub-zones within the ECS serverDefine sub-zone rules, enabling bandwidth control within and between each sub-zone or to other zones

Zone AZone B

Subzone 1

Subzone 2

Zone C5MB

20MB

Zone D

25 MB

20 MB

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Third Party Call Control

Create, monitor and control callsSelect and edit parties to be dialedSelect the bandwidth of the call

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Supported Schemas

Proprietary RADVISION schema

ITU-T H.350 standard schema for endpoints which support H.235 Annex D security

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An interface to the ECS that enables:Authorization serverMake callDrop callNotifications

XML API

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Alert Indications

Additional SNMP trap types

Can send traps to many trap servers

Define trap subset per server

Cyclic alert log

Configure trap severity

Configure trap threshold

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Thank You !

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