User Manual

Yealink Skype for Business HD IP Phones Administrator Guide
378
Source
Device
Source IP
Source
Port
Destination
Device
Destination IP
Destination Port
(Listening port)
Protocol
Description of destination port
to upload syslog information to
syslog server.
PC
IP address
of PC
Determined
by the
destination
device.
Skype for Business
phones
IP address of
Skype for Business
phones
1~65535
TCP
HTTP port (default value: 80)
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.
Skype for
Business
phone of
voice
gateway
Skype for
Business
phone or
voice
gateway
2~65535
UDP
RTP protocol port, it is used by
destination device to send or
receive audio stream.