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28 Avaya one-X™ Deskphone Value Edition 1600 Series IP Telephones Administrator Guide Release 1.0
Figure 1: Signaling, Audio and Management Diagram
1600 Series IP Telephone
Port: 49300
Port: [1500–6500]
randomly selected
Port: [4000–10000]
randomly selected;
range may be changed via
Gatekeeper administration;
always an even number
Port: audio port + 1
(only active during a call
if RTCP is enabled)
Port: audio port + 2
(only active during a call
if RTCP monitoring
is enabled)
Port:161
Signaling, Audio and Management
H.323 Gatekeeper
Port: 1719
Port: 1720
H.323 RAS (UDP/IP)
H.323 Signaling (TCP/IP)
RTP Audio (UDP/IP)
RTCP (UDP/IP)
SNMP (UDP/IP)
SNMP MIB Viewer
Port depends on
MIB viewer admin
Voice Monitoring
Manager
Port depends on Voice
Monitoring Manager
admin
Media Gateway or
another IP endpoint
Port selected from the
audio port range
administered for the
network region
Port: audio port + 1
RTCP (UDP/IP)