Cisco Cisco Expressway
7
Management system
listening port
Expressway-C
source port
Management control
Private network
Open firewall
n/a
IP address
IP address of
Unified CM, IM and
Presence servers
and CUC
IP address of
Expressway-C
IP Po
rt
s
XMPP (IM and
Presence)
Presence)
TCP 7400
(IM&P server)
TCP Ue
30000 to 35999
UDS
(provisioning
and phonebook)
(provisioning
and phonebook)
TCP 8443
(Unified CM server)
TCP Ue
30000 to 35999
HTTP
(configuration
file retrieval)
file retrieval)
TCP 6970
(Unified CM server)
TCP Ue
30000 to 35999
CUC
(voicemail)
(voicemail)
TCP 443
(CUC server)
TCP Ue
30000 to 35999
Ue = Expressway TCP ephemeral port range defaults to 30000 –
35999
Unified Communications : Expressway-C to Unified CM, IM&P
Unified CM-UDS
Expressway-C
Expressway-E
Internet
DMZ
IM&P