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Chapter 4
Provisioning the Phone
4.1 Introduction
Provisioning functions include the booting process that initializes the phone, the configuration
process that customizes your phone, and the update process that allows you to run the most
recent software version of the phone.
You can either dynamically assign an IP address to the phone through a DHCP server or assign
a static IP address. The DHCP server can also be used to obtain the IP addresses of various
network servers. The phone also supports the use of configuration files that can deliver a
common set of phone parameters to various phones throughout a network.
This chapter describes the components used to configure the ZIP2x2 and ZIP2x1 phones, the
booting and configuration process, and the method for updating the software that operates the
ZIPphones. These sections also present the underlying method for the exchanges that take place.
4.2 Configuration Components
Components that the phone may use for provisioning processes include a DHCP server,
configuration files, and the web interface.
4.2.1 DHCP Server
You can dynamically assign the IP address of the phone and other network servers by accessing
a DHCP server. When you connect the phone to a DHCP server, the DHCP server must be
configured with the following options for your network to fully support the phone:
• subnet mask (option 1)
• default gateway (option 3)
• domain name server (option 6)
• IP Address (option 50)
• TFTP server name (option 66)
In addition, it is recommended that your DHCP server also provide:
• NTP Time Offset (option 2)
• domain name (option 15)
• NTP servers (option 42)
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