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DTMF Tones
Set the length of dual-tone multi-frequency
(DTMF) signal tones.
Speed dial
Set speed dialing keys and numbers.
Plus Code Dialing
Setting
Set Plus Code dialing number.
Call forwarding
Forward your incoming calls to a different
number.
Voice Privacy
Enable enhanced privacy mode.
Accounts
Set up Internet calling (SIP) accounts.
Use Internet
calling
Choose when to use the Internet calling function.