Network Settings
41-001343-02 REV05 – 07.2014 4-6
A configuration parameter (“dhcp opt60 extended vendor class”) is available allowing the phones to provide the DHCP
server with enhanced DHCP Option 60 (Vendor Class Identifier) information that includes firmware and bootrom informa-
tion in addition to the identifier value.
If the parameter is configured as “0” (disabled - default), the phone will send simply a DHCP Option 60 value consisting of
the identifier value. If the parameter is configured as “1” (enabled), the phone will send a DHCP Option 60 value consisting
of the identifier value, firmware version, and bootrom version.
Configuring DHCP Option 60 Settings Using the Configuration Files
Use the following procedure to configure DHCP Option 60 settings using the configuration files.
Option 43
The Aastra phones also support Option 43 as referenced in RFC 2132. Option 43 consists of the following sub-options:
The System administrator can use the Vendor Class Identifier to send the phone a customized Server Configuration in
option 43 (Vendor-Specific information).
Using Option 43 to Customize the IP Phone
A System Administrator can customize the IP Phone(s) in the network by entering a text string in the phone’s configuration
files. The following is an Option 43 example using Linux.
On the startup of the phones, when the DHCP server receives the request with the information in this example, it allows
the 6757i phones to use FTP and the 6757i CT phones to use TFTP from the same server.
6739i AastraIPPhone6739i
6753i AastraIPPhone53i
6755i AastraIPPhone55i
6757i AastraIPPhone57i
6757i CT AastraIPPhone57iCT
6863i AastraIPPhone63i
6865i AastraIPPhone65i
6867i AastraIPPhone67i
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section, “DHCP Option Settings” on pageA-12.
Sub-Option/Code Description
02 Configuration server (protocol, server, and path).
03 Redirection and Configuration Server (RCS) enable/disable.
08 ID string to enable the use of the VLAN identity in sub-option/code 09. Must be specified to avoid conflict with
other vendors.
09 VLAN ID value.
Note:
If Aastra IP Phones receive the server configuration from both DHCP Option 66 and DHCP Option 43, then Option 43
takes precedence over Option 66.
Model Identifier Value
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