Making Calls:
- Redial: *66 - Automatically redials the last dialed phone number.
- Call Return: *69 - Returns the call to the most recent incoming number that called you.

Transferring Calls:
- Transfer: *77 - Initiates a call transfer to another extension or phone number.
- Call Park: *85 - Parks a call on a specific call park extension for later retrieval.
- Retrieve Parked Call: *86 - Retrieves a call that has been parked on a specific call park extension.
- Call Pickup: *87 - Allows you to pick up an incoming call that is ringing on another phone within your call pickup group.

Voicemail:
- Activate Voicemail as Email: *95 - Enables voicemail messages to be sent to your email as audio attachments.
- Deactivate Voicemail as Email: *96 - Disables the forwarding of voicemail messages to your email.
- Go to Voicemail: *97 - Directly access your voicemail box to listen to voicemail messages.
- Record New Greeting: *98 - Records a new voicemail greeting message.
- Clear Voice Message Indicator: *99 - Clears the indication of new voicemail messages.

Miscellaneous:

- Conference: *53 - Initiates a conference call between multiple parties.
- Show Account Balance: *61 - Displays the account balance information.
- Wakeup Call: *62 - Schedules a wakeup call for a specified time.
- Customer Originated Trace (CDR): *63 - Traces the details of a specific call made by a customer.
- Clean Up Extensions: *84 - Removes unused or disconnected extensions from the system.
- Add to White List: *91 - Adds a phone number to the whitelist, allowing incoming calls from that number.
- Add to Black List: *92 - Adds a phone number to the blacklist, blocking incoming calls from that number.
- Add to Do-Not-Call List: *50 - Adds a phone number to the do-not-call list, preventing outgoing calls to that number.
- Room Cleaned: *57 - Notifies the system that a room has been cleaned and is available.
- Set ANI: *59 - Sets the automatic number identification (ANI) for a call.
- Echo Test: *56 - Performs an echo test to check the audio quality of the call.
- Recording:
  - Listen to Automatic Recordings: *58 - Allows you to listen to automatic call recordings.
  - Record On Key: *93 - Starts recording the current call by pressing a designated key.
  - Record Off Key: *94 - Stops the recording of the current call by pressing a designated key.

Cellphone:

- Call Cell Phone of the Extension: *00 - Calls the cell phone associated with the extension.
- Retrieve Call from Cell Phone: *51 - Retrieves an ongoing call from the cell phone back to the desk phone.
- Enter Cell Phone Menu: *54 - Accesses the menu options for cell phone integration.
- Move Current Call to Cellphone: *52 - Moves the current call from the desk phone to the cell phone.

Anonymous Calls:

- Block CID (Activate): *67 - Activates the blocking of caller ID for the current outgoing call.
- Block CID (Deactivate): *68 - Deactivates the blocking of caller ID for the current outgoing call.
- Activate Blocking of Anonymous Calls: *88 - Enables blocking of incoming calls from anonymous or blocked numbers.
- Deactivate Blocking of Anonymous Calls: *89 - Disables blocking of incoming calls from anonymous or blocked numbers.

Call Center:

- Agent Login: *64 - Logs in an agent to the call center queue

 for receiving calls.
- Agent Logout: *65 - Logs out an agent from the call center queue, stopping the reception of calls.
- Call Barge In: *81 - Allows a supervisor or authorized user to barge in on a call.
- Teach Mode: *82 - Allows a supervisor or authorized user to provide assistance or training during a call.
- Mix Audio In: *83 - Mixes audio from an external source into a call.
- Listen In: *83 - Allows a supervisor or authorized user to listen in on a call.
- Queue Outbound Calling: *55 - Queues outbound calls for later automatic dialing.

Call Forwarding:

- Hot Desking: *70 - Enables hot desking, allowing you to log in and use any phone as your own.
- Activate Call Forward All: *71 - Activates call forwarding for all incoming calls.
- Deactivate Call Forward All: *72 - Deactivates call forwarding for all incoming calls.
- Activate Call Forward on Busy: *73 - Activates call forwarding when your extension is busy.
- Deactivate Call Forward on Busy: *74 - Deactivates call forwarding when your extension is busy.
- Activate Call Forward on No Answer: *75 - Activates call forwarding when there is no answer from your extension.
- Deactivate Call Forward on No Answer: *76 - Deactivates call forwarding when there is no answer from your extension.
- Set Night Mode for Group Accounts: *80 - Sets the system to night mode for group accounts, changing call handling rules.
- Activate Do Not Disturb (DND): *78 - Activates the do not disturb mode, redirecting incoming calls to voicemail.
- Deactivate Do Not Disturb (DND): *79 - Deactivates the do not disturb mode, allowing incoming calls to ring your extension.