Nortel Networks NN43001-121 - Manual (Page 19)

Media Gateways 19
• Address Book Service—normalizes enterprise user phone numbers to
E.164 format to provision user Contacts in Office Communicator.
The following figure shows the components essential for voice support.
Figure 2
Core routing server components
Media Gateways
Media gateways are third-party hardware components that provide a
common interface between the Enterprise Voice infrastructure and the
PSTN. Media gateways translate signaling and media between the PSTN
and Enterprise Voice infrastructure.
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
.