For details about flexible buttons, see 4.6.3 Flexible Button Settings (KX-UT133/KX-UT136/
KX-UT248 only).
4.5.2.1 Phone Number
Phone Number
Description Specifies the phone number to use as the user ID required for
registration to the SIP registrar server.
Note
• When registering using a user ID that is not a phone number,
you should use the [SIP URI] setting.
Value Range Max. 32 characters
Default Value Not stored.
Configuration File Reference PHONE_NUMBER_n (Page 247)
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