Avaya 4600 Series Administrator's Manual page 87

endptNVPHONEXT
SYNTAX
MAX-ACCESS read-only
STATUS
DESCRIPTION "Endpoint's phone extension. This variable
returns a text string identifying the endpoint's extension,
in free text format. The default value is NULL. "
::= { endptDEFINITY 9 }
END
OBJECT-TYPE
DisplayString
current
Avaya - 46xx IP Telephone MIB
Appendix
A-17