Setting Up Your System
53
2.
Enter the desired value in the
Custom Option(128~254)
field.
3.
Click
Confirm
to accept the change.
DHCP Option 42 and Option 2
Yealink IP phones support using the NTP server address offered by DHCP.
DHCP option 42 is used to specify a list of NTP servers available to the client by IP address. NTP
servers should be listed in order of preference. DHCP option 2 is used to specify the offset of
the client’s subnet in seconds from Coordinated Universal Time (UTC).
To update time with the offset time offered by the DHCP server, make sure the DHCP Time
feature is enabled at the web path
Settings
->
Time & Date
->
DHCP Time
. For more
information on how to configure DHCP time feature, refer to
DHCP Option 12 Hostname on the IP Phone
This option specifies the host name of the client. The name may or may not be qualified with
the local domain name (based on
). See
Procedure
DHCP option 12 hostname can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure the DHCP option 12
hostname.
Parameter:
static.network.dhcp_host_name
Web User Interface
Configure the DHCP option 12
hostname.
Navigate to:
http://<phoneIPAddress>/servlet?p=
features-general&q=load
Details of Configuration Parameter:
Summary of Contents for CP860 SERIES
Page 1: ...63 ...
Page 51: ...Getting Started 25 For SIP T46G S Desk Mount Method Wall Mount Method Optional ...
Page 53: ...Getting Started 27 For SIP T42S T41S Desk Mount Method Wall Mount Method Optional ...
Page 55: ...Getting Started 29 For SIP T23P T23G Desk Mount Method Wall Mount Method Optional ...
Page 70: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series CP860 CP920 IP Phones 44 ...
