Changing the system's SSON settings

Last Updated : Jun 24, 2022 |
When requesting address settings from a DHCP server, each phone also requests additional information that the DHCP server may have. It does this by sending a Site Specific Option Number (SSON) request. If the DHCP server has information matching the requested SSON, that information is included in the DHCP response.
By default, most Avaya SIP telephones use the SSON 242 to request additional information. Depending on the particular phone model, it may be possible to change the SSON number it uses.
Prolog information
  1. Using either IP Office Manager or IP Office Web Manager in offline mode, load the system configuration.
  2. Select SystemSystem or System SettingsSystem.
  3. Select LAN1 or LAN2 as required.
  4. Select the VoIP tab.
    ADDITIONAL INFORMATION:
  5. Check that the site specific option number settings match those required for the phones being supported. The default for most Avaya SIP phones is 242.
  6. If this setting needs to be changed, save the configuration back to the system.