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Technical Reference: Cisco Contact Center Product Port Utilization Guide
NICs
Note: Refer to the TCP/IP-based NIC System Management Guide Supplements and setup parameters of the NIC, SS7 Gateway, or SCP
connections for more details.
Windows Authentication and Remote Administration Ports
RPC TCP 135
UDP 135
For more
information, see:
•"Port
Requirements for
the Microsoft
Windows Server
System”
(Microsoft
Knowledge Base
Article 832017).
NetBIOS Session TCP 139
NetBIOS Name
Resolution
TCP 137
UDP 137
NetBIOS
Netlogon/
Browsing
UDP 138
SMB TCP 445
UDP 445
LDAP TCP 389
UDP 389
For more
information, see:
"A List of the
Windows Server
Domain
Controller
Default Ports"
(Microsoft
Knowledge Base
Article 289241).
•"How to
Configure a
Firewall for
Domains and
Trusts" (Microsoft
Knowledge Base
Article 179442).
•"How to
Configure a
Firewall for
Domains and
Trusts" (Microsoft
Knowledge Base
Article 179442).
LDAP SSL TCP 636
LDAP GC TCP 3268
LDAP GC SSL TCP 3269
DNS TCP 53
UDP 53
Kerberos TCP 88
UDP 88
NTP UDP 123
Table 1 Cisco ICM/IP Contact Center Enterprise Edition Port Utilization (Continued)
Protocol
Remote
Source
Port
Destination Port
Source
Port
Remote Device
Destination
Port
Remote Device Notes