Password Issues; Restore The Administrator Password; The Web Screen Displays "Default Password Is In Use. Please Change - Yealink SIP-T5 Series Administrator's Manual

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
Source
Source IP Source Port
Device
1024~65535
1024~65535 NTP Server
1024~65535
1024~65535 PNP Server
IP IP address of
phones IP phones
IP address of
PC
PC
SIP IP address of
Determined
Server SIP Server
IP address of
IP phone
IP phone or
of voice
voice gate-
gateway
way
IP address of
TR-069
TR-069
Server
Server

Password Issues

Restore the administrator password

Factory reset can restore the original password. All custom settings will be overwritten after reset.
Related Topic
Resetting the IP phone to Default Factory Settings
The web screen displays " Default password is in use. Please change!"
The web screen prompts "Default password is in use. Please change!" message when the default password is in
use. Click the warning message to change the password.
558
Destination
Device
LDAP
Server
Syslog
Server
Multipaging Multipaging
by the des-
IP phones
tination
device.
Destination
Destination
Port (Listen-
IP
ing port)
server
Determined
IP address
by des-
of LDAP
tination
server
device.
IP address
of NTP 123
server
IP address
of syslog 514
server
IP address
of PNP
server
5059
(Default
value:
224.0.1.75)
65000
65001
1~65535
1~65535
1024~65534 UDP/TCP
IP address
of IP
phones
2~65535
1024~65535
Description of des-
Protocol
tination port
from DHCP server.
LDAP protocol port, it is
used to obtain the contact
TCP
information from LDAP
server.
NTP protocol port, it is
UDP used to synchronize time
from NTP time server.
Syslog protocol port, it is
used for IP phones to
UDP
upload syslog inform-
ation to syslog server.
Protocol port, it is used to
UDP/TCP obtain the URL of updat-
ing file from PNP server.
HTTP port (default value:
TCP
80)
HTTP port (default value:
TCP
443)
SIP protocol port, it is
used for signaling inter-
action with SIP server.
RTP protocol port, it is
used by destination
UDP
device to send or receive
audio stream.
TR-069 protocol port, it is
TCP used to communicate
with TR-069 server.