Nortel Networks manual NN43001-121 01.03 Standard Release April

4Contents

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	59
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		84
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 Communication Server 1000
Nortel Converged Office Fundamentals — Microsoft Office Communications Server 2007
NN43001-121 01.03 Standard
Release 5.0			30 April 2008

Copyright © 2005–2008, Nortel Networks