Avaya 4600 Series Administrator's Manual page 40

Overview of Voice over IP (VoIP) and Network Protocols
Figure 1: Signaling, Audio and Management Diagram
Signaling, Audio and Management
4600 Series IP Telephone
Port: [49300-49309]
Default is 49300
Port: [1500–6500]
randomly selected
Port: [2048–3028]
randomly selected;
range may be changed via
Gatekeeper administration;
always an even number
Port: RTP port +1
(only active during a call if
RTCP is enabled)
Port: RTP port +1
(only active during a call if
RTCP is enabled)
Note: SNMP is disabled by
Port: (any unused)
40 4600 Series IP Telephone LAN Administrator Guide
H.323 Signaling (TCP/IP)
H.323 Signaling (TCP/IP)
Port: 1720
Port: 5060
Port:161
default.
CNA Registration (TCP/IP)
CNA Test Requests (UDP/IP)
Port: (50000)
CNA Test Results (UDP/IP)
Port: (50000)
(4610SW, 4620SW, 4621SW,
H.323 RAS (UDP/IP)
SIP (UDP/IP)
RTP Audio (UDP/IP)
RTCP (UDP/IP)
RTCP (UDP/IP)
SNMP (UDP/IP)
4622SW, 4625SW)
H.323 Gatekeeper
Port: 1719
Port: 1720
Port: [61440-61444]
source port range
defined on the
in-network-region form
SIP Registrar/Proxy
Port: 5060
Media Gateway or
another IP endpoint
Port selected from the
audio port range
administered for the
network region
Port: audio port +1
RTCP Monitor
Port: RTCPMON
SNMP MIB Viewer
Port depends on
MIB viewer admin
Avaya Converged
Network Analyzer
Port: CNAPORT
Port: any
Port: as specified in the
test request