To configure SIP authentication settings

IP Phone Administrator Guide Advanced Network Settings

Or, for per-line configuration, click on Advanced Settings->LineN (1-9).

To configure SIP authentication settings:

2In the "Screen Name" field, enter the screen name that displays on the idle screen.

3In the "Phone Number" field, enter the phone number of the IP phone.

4In the "Caller ID" field, enter the phone number of the IP phone.

5In the "Authentication Name" field, enter the name used in the username field of the Authorization header of the SIP REGISTER request.

6In the "Password" field, enter the password used to register the IP phone with the SIP proxy.

7In the "BLA Number" field, enter the Bridge Line Appearance (BLA) number to be shared across all IP phones.

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