ECS Introduction
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Transcript of ECS Introduction
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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 !
http://training.radvision.com