Cisco Expressway Series

Purpose Src. IP Src. ports Protocol Dest. IP Dst. Ports
HTTPSConfiguration file
download (TFTP)
(11.x or later Jabber and 11.x or
later Unified CM)
Expressway-
C
30000-
35999
TLS Unified CM
Node
6972
HTTPfor UDS (User Data Services)
and AXL (Administrative
XMLLayer)
Expressway-
C
30000-
35999
TLS Unified CM
Node
443 or 8443
XMPP (IMand Presence) Expressway-
C
30000-
35999
TLS IMand
Presence
Service Node
7400
HTTPSSOAP (IMand Presence) Expressway-
C
30000-
35999
TLS IMand
Presence
Service Node
8443
File transfer (IMand Presence) Expressway-
C
30000-
35999
TLS IMand
Presence
Service Node
7336
HTTPSto visual voicemail Expressway-
C
30000-
35999
TLS Cisco Unity
Connection
443 or 8443
MWI (Message Waiting Indicator) Expressway-
C
30000-
35999
TCP Cisco Unity
Connection
7080
MWI (Message Waiting Indicator) Expressway-
C
30000-
35999
TLS Cisco Unity
Connection
7443
Audio Video Media (RTP/RTCP) Expressway-
C
36000-
59999
UDP On-prem
media
destination
Destination's media
range, eg. 16384-
32767 (DXSeries)
Table 15 Connections Between Expressway-C and On-premises Infrastructure (continued)
28
Cisco Expressway IP Port Usage Configuration Guide