Cisco Acano X-series
Cisco Meeting Server Release 2.0 : Scalable and Resilient Meeting Server Deployments
113
Note: SIP endpoints or Lync clients external to the network may still need a third party device to
route SIP signaling across their firewall.
route SIP signaling across their firewall.
Table 4 below lists the ports required to be open for SIP/Lync call traversal.
Table 4: Ports to open for SIP/Lync call traversal
Link
Component
Connecting
to
to
Destination
port to
open port
port to
open port
Traffic
type
type
Traffic direction
with respect to
component
with respect to
component
Configurable
1
Edge server
(private
interface)
(private
interface)
Call Bridge
Any
unused
port, e.g.
3061
unused
port, e.g.
3061
SIP,
TLS
TLS
Incoming from Call
Bridge
Bridge
Yes
2
Edge server
(public
interface)
(public
interface)
Remote SIP
devices
devices
5061 (Note
1)
1)
SIP
TLS
(Note
2)
TLS
(Note
2)
Incoming/Outgoing
Yes
3
Call Bridge
TURN
server
server
32768-
65535
65535
Media
UDP
UDP
(STUN,
RTP)
RTP)
Incoming/Outgoing
No
3
Call Bridge
TURN
server
server
32768-
65535
65535
Media
TCP
(RDP)
TCP
(RDP)
Incoming/Outgoing
No
3
Call Bridge
TURN
server
server
3478
Media
UDP
UDP
Incoming
No.
3
Call Bridge
TURN
server
server
3478
Media
TCP
TCP
Incoming
Yes, see note 4.
4
TURN server
Remote SIP
devices
devices
32768-
65535
65535
Media
UDP
UDP
(STUN,
RTP)
RTP)
Incoming/Outgoing
No
4
TURN server
Remote SIP
devices
devices
32768-
65535
65535
Media
TCP
TCP
(RDP)
Incoming/Outgoing
No
3,4
TURN server
Remote SIP
devices
devices
3478
UDP
Incoming/Outgoing
Yes
3,4
TURN server
Remote SIP
devices
devices
443
(Note 3)
(Note 3)
TCP
Incoming/Outgoing
Yes
Note 1: Port 5061 is normally used for SIP TLS
13 SIP and Lync call traversal of local firewalls (BETA)