Cisco Expressway Series Configuration Manual - Page 16
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Cisco Expressway IP Port Usage Configuration Guide
SIP Calls Port Reference
Table 9 SIP Calls Port Reference
Purpose
Src. IP
SIP signaling
Expressway-
C
SIP signaling
Expressway-
C
SIP signaling
Expressway-
C
SIP signaling
SIP endpoint
(or its
firewall)
SIP signaling
SIP endpoint
(or its
firewall)
SIP signaling
SIP endpoint
(or its
firewall)
SIP signaling
SIP endpoint
(or its
firewall)
Assent RTP
Expressway-
C
(traversed
media)
Assent RTCP
Expressway-
C
(traversed
media)
Assent RTP
SIP endpoint
(or its
(traversed
firewall)
media)
Src. ports
25000-29999
5060
25000-29999
>=1024
>=1024
>=1024
>=1024
36000-59999
36000-59999
>=1024
Could be the firewall
port where the media
egressed, rather than an
endpoint port
16
Protocol Dest. IP
Dst. Ports
TCP or
Expressway-
7001 (for first traversal zone;
TLS
E
7002 for second etc.)
SIP endpoint 5060 (often, but could be
UDP
different, >=1024)
Port number defined by
registration (if registered) or by
DNS lookup
SIP endpoint >=1024
TCP or
TLS
Port number defined by
registration (if registered) or by
DNS lookup
5060
UDP
Expressway-
E
SIP UDP disabled by default.
Not recommended for internet
facing connections.
5060
TCP
Expressway-
E
SIP TCP disabled by default
(X8.9.2 and later).
TLS
Expressway-
5061
E
MTLS
Expressway-
5062
E
2776 or 36000 (Small/Medium)
UDP
Expressway-
E
36000 - 36010 (even ports)
(Large)
2777 or 36001 (Small/Medium)
UDP
Expressway-
E
36001 - 36011 (odd ports)
(Large)
UDP
Expressway-
36000-59999
E