Feature Codes

Basic
 * Dial *67[phone number] to activate call privacy.
 * Dial *69 for last call return.
 * Dial *2 can be pressed during a call to start recording again to stop recording press *2 again. Recordings are can be downloaded from Features -> Recordings.
 * Dial *870 redial
 * Dial *3472 (disa) followed by the admin pin number to use DISA (direct inward outward system access)
 * Dial *732673 (record) make a recording.
 * Dial *347 (dir) to dial by name.
 * Talking Date (to do)
 * Talking Time (to do)
 * Talking Date and Time (to do)
 * Dial *5900 to park a call
 * Dial *5901 to un-park a call
 * Valet Park (to do)
 * Valet UnPark (to do)
 * WakeUp Call (to do)

Voicemail
 * Dial *97 or *4000 general voicemail access, prompts for the id (extension number) and password
 * Dial *98 detects the extension and requires only the password.
 * Dial *99[extension number] can be used to send a call directly to voicemail.

Conference Additional Conference numbers can be added in the graphical interface.
 * Dial *3001-*3099 conference channel 8khz
 * Dial *3101-*3199 conference channel 16khz
 * Dial *3201-*3299 conference channel 32khz
 * Dial *3301-*3399 conference channel 48khz

Group
 * Dial *8 to use group intercept
 * Dial **81[2 digit group id] add extension to a group
 * Dial **80[2 digit group id] delete the extension from the group
 * Dial **82[2 digit group id] to ring the entire group simultaneously
 * Dial *83[2 digit group id] to ring the group in sequence
 * Dial *2001 group dial billing
 * Dial *2002 group dial support

Miscellaneous
 * Dial *9992 Info test sends information to the console
 * Dial *9993 video record
 * Dial *9994 video playback
 * Dial *9995 delay echo
 * Dial *9996 echo test
 * Dial *9997 play milliwatt tone
 * Dial *9998 to test tone
 * Dial *9999 to test music on hold
 * Dial *5000 the default auto attendant

Advanced
 * Dial *8[extension number] to use a phones intercom.
 * Dial *88[extension number] eavesdrop to listen in on a call (can be limited to certain extensions).
 * Press 1 to barge in with the distant party.
 * Press 2 to barge in with the local party.
 * Press 3 to barge in on both parties.
 * Dial *886 global-intercept an call that is ringing.
 * Dial **8[extension number] intercept an extension.