Specifications

310HD, 320HD and 420HD IP Phones
4. Choose the required SIP parameter, and then press the Select softkey to define it:
• "User ID"
• "Display Name"
• "Authentication Name"
• "Authentication Password"
• "SIP Proxy Address" - SIP proxy server’s address
5. After each parameter setting, press the Save softkey to save the setting.
6. When you have completed all the SIP account settings, press the Back softkey until
you are prompted that the phone is about to reboot itself. The phone reboots
automatically and the warning message 'Phone is rebooting to apply new settings' is
indicated.
21.1.3 420HD IP Phone
Configuration of Lines/SIP Accounts on the 420HD IP phone is identical to that on the
320HD IP phone.
 To configure Lines/SIP Accounts using the phone interface:
1. Access the SIP Accounts screen (MENU key > Administration menu > SIP
Accounts submenu).
The following screen appears:
2. To add a new line extension (SIP account), press the Add softkey (or skip to Step 3 to
define an existing SIP account).
Administrator's Manual 130 Document #: LTRT-09910