Gigaset N610 IP PRO Instruction Manual page 58

Online services
Use SIP credentials
If activated, the credentials for the user's SIP account are used (Authentication name and
Authentication password,
Alternatively, the following credentials can be used.
Username
Enter a user name for access to the menu (max. 22 characters).
Password
Enter a password for access to the menu (max. 9 characters).
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p. 38).