Nortel Networks NN43001-121 manual Phase Description User experience

Migration planning from LCS 2005 to OCS 2007 87

Phase	Description	User experience
2. Deploy OCS 2007 and begin	Deploy a new Office	No changes. OC 2007 client
moving users to the new server	Communications Server 2007	is not rolled out at this phase
or pool.	Enterprise pool or Standard	so users continue to use OC
	Edition server. If required,	2005 and have the same IM
	deploy an Archiving and CDR	and presence functionality.
	Server. Users are moved to
	the new server or pool but will
	continue to use OC 2005 .
3. Upgrade CS 1000 and if	Upgrade Call Sever and	No changes. Users continue
determined for your migration,	Signaling Server. The feature	to use OC 2005 and have
add an additional Signaling	is provided as a Product	the same IM and presence
Server as the SIP CTI FE.	Enhancement Package (PEP)	functionality.
	for Release 5.0 Call Server and
	Signaling Server.
	If you have a large client base,
	add an additional Signaling
	Server as the SIP CTI FE so
	both LCS 2005 and OCS 2007
	can have RCC.
4. Deploy OCS 2007 Mediation	Deploy OCS 2007 Mediation	No changes. Users continue
Server.	Servers.	to use OC 2005 and have
		the same IM and presence
		functionality
5. Deploy OCS Proxy server	Deploy OCS Proxy Server with	No changes. Users continue
with MCM 3.0 .	MCM 3.0 .	to use OC 2005 and have
		the same IM and presence
		functionality
6. Enable enhanced presence,	Enable users for enhanced	• The migrated users can use
roll out OC 2007 client, and	presence, roll out the OC 2007	the full functionality of OC
continue migrating users	client, and the Live Meeting	2007 when communicating
	2007 client to the users.	with other migrated users.
		• Once enabled for enhanced
		presence, these users can
		no longer sign in to a OC
		2005 client or previous
		Communicator Web Access
		or Communicator Mobile
		Access clients.
7. Configure PCA routing for	Configure PCA on the CS 1000.	Migrated users are able to
new OC 2007 client users on	Change NRS and SPS routing.	use Telephony Gateway and
the CS 1000.		Services functionality (VoIP)
		and RCC.

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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