Nortel Networks NN43001-121 manual Server topology, Operating System Requirements

52Planning and engineering

•"OC client authentication" (page 59)

•"Authorization of TR/87 (Remote Call Control) Service Requests" (page 59)

•"Signaling and Media Encryption" (page 59)

•"Dial Plan considerations" (page 61)

•"Computer (SIP) Calls" (page 61)

•"Phone (RCC or TR/87) Calls" (page 62)

•"Number formats supported by Office Communicator" (page 63)

•"E.164 international format numbers for SIP Gateway and SIP CTI" (page 66)

Server topology

Use the following table to determine the maximum supported users for your topology.

Table 5

Maximum supported users for each topology

Topology	Servers required	Maximum clients
Standard Edition Server	1 Standard Edition server,	5000
	(Optional) Archiving Server
	collocated
Enterprise pool: Consolidated	4 Enterprise Edition Front	4 servers X 5000 users per
Configuration	End servers running all server	server = 25 000 maximum
	roles, 1 back end SQL server	clients
	(Optional), 1 Archiving server
Enterprise pool: Expanded	4 Front End servers, 2 Web	10 000 users per access edge
configuration with Mid-Range	Conferencing servers, 2 A/V	server and 50 000 maximum
Performance SQL back end	Conferencing servers, 2 IIS	clients
	servers, 1 back end SQL server
	(Optional), 1 Archiving server
Enterprise pool: Expanded	8 Front End servers, 4 Web	125 000
configuration With High	Conferencing servers, 4 A/V
Performance SQL back end	Conferencing servers, 2 IIS
	servers, 1 back end SQL server
	(Optional), 2 Archiving servers

Operating System Requirements

The operating system platform requirements for all Office Communications Server 2007 server roles are:

•Minimum: Microsoft Windows Server 2003 SP1.

•Recommended: Windows Server 2003 R2 with SP2.

Nortel Communication Server 1000

Nortel Converged Office Fundamentals — Microsoft Office Communications Server 2007

NN43001-121 01.03 Standard

Release 5.0 30 April 2008

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