Nortel Networks NN43001-121 - Manual (Page 160)

160 Configuration
all OCS and Enterprise Edition Pools. Also, the FQDN must resolve to
the IP address of the OCS for all types of DNS queries (not just for the
SIP service type).
DNS server must respond with the correct IP for a generic DNS query.
There are a number of different types of DNS queries that can be performed.
ATTENTION
The Signaling Server must be rebooted to ensure that all DNS server
configurations take effect.
Figure 54
DNS configuration
SIP Trunk configuration
For an Office Communications Server to use a CS 1000 as a SIP Gateway,
SIP Trunks must be configured on the CS 1000. The configuration of the
SIP Trunk requires that configuration be done on both the Call Server and
the Signaling Server. For more information on how to configure SIP trunks,
see IP Peer Networking Installation and Commissioning (NN43001-313).
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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