Yealink SIP-T2 Series User Manual

Troubleshooting
937
Source
Device
Source IP
Source Port
Destination
Device
Destination IP
Destination Port
(Listening port)
Protocol
Description of destination port
1024~65535
LDAP Server
IP address of
LDAP server
Determined by
destination device.
TCP
LDAP protocol port, it is used to
obtain the contact information
from LDAP server.
1024~65535
NTP Server
IP address of NTP
server
123
UDP
NTP protocol port, it is used to
synchronize time from NTP time
server.
1024~65535
Syslog Server
IP address of
syslog server
514
UDP
Syslog protocol port, it is used
for IP phones to upload syslog
information to syslog server.
1024~65535
PNP Server
IP address of PNP
server (Default
value: 224.0.1.75)
5059
UDP/TCP
Protocol port, it is used to obtain
the URL of updating file from
PNP server.
Multipaging
Multipaging
65000
65001
PC
IP address
of PC
Determined
by the
destination
IP phones
IP address of IP
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.
IP phone
of voice
gateway
IP address
of IP
phone or
voice
2~65535
UDP
RTP protocol port, it is used by
destination device to send or
receive audio stream.

Yealink SIP-T2 Series Specifications

General

Brand	Yealink
Model	SIP-T2 Series
Category	IP Phone
Language	English