Yealink Yealink SIP-T42G, Administrator'S Manual

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Troubleshooting
785
Source
Device
Source IP Source Port
Destination
Device
Destination IP
Destination Port
(Listening port)
Protocol Description of destination port
address
of PC
Determined
by the
destination
device.
IP phones
IP address of IP
phones
1~65535 TCP HTTP port (default value: 443)
SIP
Server
IP
address
of SIP
Server
1024~65534 UDP/TCP
SIP protocol port, it is used for
signaling interaction with SIP
server.
IP phone
of voice
gatewa
y
IP
address
of IP
phone or
voice
gateway
2~65535 UDP
RTP protocol port, it is used by
destination device to send or
receive audio stream.
TR-069
Server
IP
address
of TR-069
Server
1024~65535 TCP
TR-069 protocol port, it is used
to communicate with
TR-069server.