
Table 1: Avaya 3100 Mobile Communicator Gateway ports
Port Protocol Function Applica- tion Configur-
able?
Configure
in Avaya
3100 MCG-
to-
Enterprise
Firewall
policy?
Configure
in Avaya
3100 MCG
Firewall
policy?
21 Transmissi
on Control
Protocol
(TCP)
File Transfer
Protocol
(FTP)
Base Linux No No No
22 TCP Secure Shell
(SSH)
Base Linux No No No
53
(Send
only)
User
Datagram
Protocol
(UDP)
Domain
Name
Server
(DNS)
queries to
external
DNS server
Base Linux No Yes,
assuming
DNS is
within the
Enterprise
network
No
123
(Send
only)
TCP Network
Time
Protocol
(NTP)
Base Linux No Yes,
assuming
DNS is
within the
Enterprise
network
No
389
(Send
only)
LDAP
(TCP)
Directory
access
Directory
access
Yes Yes No
1098 TCP Communicat
ion between
the Avaya
3100 MCG
Administrati
on server
and the
Avaya 3100
Mobile
Communicat
or Gateway
server
Avaya 3100
MCG
No No No
1099 TCP Communicat
ion between
the Avaya
3100 MCG
Avaya 3100
MCG
No No No
Engineering
24 Deployment Guide October 2010
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