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Workpoint Clients

P31003-H3560-S403-54-7620, 09/05

10-38 HiPath 3000 V6.0, HiPath 5000 V6.0, Provisional Service Manual

wclient.fm

optiPoint 410 / optipoint 410 S and optiPoint 420 / optiPoint 420 S

10.3.1 IP Telephony (Voice over IP)

Introduction

Voice over IP (VoIP) allows voice data to be transferred over IP networks. To guarantee com-

munication between the IP telephones, they must have compatible IP communication stacks.

H.323 is the universal standard that defines the framework for Voice over IP communication

and, consequently, for the IP communication stack. Additional standards are implemented as

well.

Gateways are required for communication between IP-supported networks (LAN, Intranet, In-

ternet) and circuit-switched networks (ISDN, PSTN). A gateway is not required for “straightfor-

ward” Voice over IP communication.

The tasks performed by a gatekeeper include:

● registration of IP workpoint clients:

– system clients, such as, optiClient 130 V5.0, optiPoint 400, optiPoint 410, optiPoint

420, optiPoint 600 (CorNet IP mode)

– H.323 clients, such as Microsoft Windows NetMeeting

– SIP clients, such as optiClient 130 S, optiPoint 410 S, optiPoint 420 S, optiPoint 600 S

● setup of a connection

● access control

Main Features of version 5.0 or later

Voice over IP (VoIP), that is, the transfer of voice data over IP networks, is enabled via the

HG 1500 boards in HiPath 3000.

Versions 5.0 and later incorporate H.323 gatekeeper functions in the HiPath 3000 communi-

cation system and in the HiPath ComScendo Service (integrated on HiPath 5000). This means

that each HiPath 3000 system with at least one HG 1500 card and each HiPath ComScendo

Service forms a separate gatekeeper zone, to which the registered IP workpoint clients also

belong.

H.323 communication between networked HiPath 3000 systems (nodes) is viewed as gate-

keeper-gatekeeper communication. There is no registration between HG 1500 boards of net-

worked systems. The CorNet NQ protocol, tunneled in H.323 via Annex M1, is used.

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