Administrator's Manual
2. Automatic Mass Provisioning of IP Phones using DHCP
Version 2.0.11
17
400HD Series IP Phone with Microsoft Lync
2.1.1.2 DHCP Option 120
Option 120, which includes the Lync Server’s fully qualified domain name (FQDN) as
shown in the table below, is required for the certification authority (CA) pool Registrar.
Use the table as reference to make sure Option 120 is correctly configured.
Table
2-2: DHCP Option 120 Configuration Reference
Option Number
Option Name
ASCII Value (example)
120
UCSipServer
lyncserver.domain.com
2.1.1.3 DHCP Option 42
Option 42 specifies the servers that provide NTP /SNTP for the network. Make sure that
NTP server IP addresses are correct, as shown in the table below.
Table
2-3: DHCP Option 120 Configuration Reference
Option Number
Option Name
String (example)
42
NTP Servers
10.59.0.20, 10.59.0.21
2.1.2
Making Sure the DHCP Server is Correctly Configured for Auto
Provisioning
After creating a .cfg configuration file (see Section
2.2
), place it - and the software file (img)
and other files such as tone files - on a provisioning server from where the IP phones can
download and install it.
To get the URLs to this provisioning server, the IP phones use DHCP. The provisioning
server can be HTTP/S, TFTP or FTP server.
The phone features automatic update capability to update the configuration and the
software. Checks for newer configuration files and software versions are routinely
automatically performed. Manual checks can also be performed.
¾
To make sure the feature functions correctly:
1.
Verify that the provisioning server is running and that the configuration and firmware
files are located in the correct location on it.
2.
Connect the phone to the IP network and then to power.
3.
On the DHCP server, configure DHCP Option 160 with the URL to the provisioning
server where the configuration and firmware files are located.
By default, the IP phone uses Option 160 which has highest priority.
If absent, the IP phone uses Options 66/67 for TFTP.
The following syntax is available for DHCP option 160:
x
<protocol>://<server IP address or host name>/<firmware file
name>;<configuration file name>
x
<protocol>://<server IP address or host name>
x
<protocol>://<server IP address or host name>/<firmware file name>
x
<protocol>://<server IP address or host name>/;<configuration file name>
Where <protocol> can be "ftp", "tftp", "http" or "https"
4.
During DHCP negotiation, the phone requests DHCP options 66/67/160 to receive
provisioning information. The DHCP server responds with Option 160 providing the
provisioning URL, or Options 66 and 67 providing the TFTP IP address and firmware
file name respectively.
http://arttel.ru/shop/ip-telefony/ip-telefon-audiocodes-420hd
Summary of Contents for 420HD
Page 1: ...http arttel ru http arttel ru shop ip telefony ip telefon audiocodes 420hd ...
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