Nortel 1000 Fundamentals page 4

4 Contents
Load Balancer planning 43
Load Balancer requirements 44
Redundancy with Load Balancers 45
Nortel Application Switch 46
Capacity planning 46
OC 2007 client requirements 47
Load Balancer capacity requirements 47
SIP CTI (TR/87) services requirements 47
Mediation server requirements 49
Signaling Server requirements 49
Call Server requirements 50
OCS Proxy and MCM capacity requirements 50
General requirements 51
Server topology 52
Operating System Requirements 52
Hardware Requirements 53
Virtual Server 2005 54
Storage 55
Trunks 55
Basic Client Configuration 58
Port use 58
Security
Dial Plan considerations 61
Number formats supported by Office Communicator 63
E.164 international format numbers for SIP Gateway and SIP CTI 66
Telephony Gateway and Services planning 66
Systems, platforms, and applications 66
Remote Call Control with SIP CTI 73
LCS 2005 and OCS 2007 coexistence 82
Client considerations 82
Converged Office functionality 82
MCM 2.0 to MCM 3.0
Load balancer considerations 84
Migration planning from LCS 2005 to OCS 2007 84
Determine your deployment options 86
Migration process 86
Description of Migration Phases 88
Unified Messaging 90
OCS 2007 users using CallPilot 90
OCS 2007 users using UM 2007-integrated 92
OCS 2007 users using UM 2007-non-integrated 95
Signaling with integrated Voice Mail 97
Signaling with non-integrated Voice Mail 98
Nortel Converged Office Fundamentals - Microsoft Office Communications Server 2007
Copyright © 2005-2008, Nortel Networks
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Nortel Communication Server 1000
NN43001-121 01.03 Standard
Release 5.0 30 April 2008