Activate Do Not Disturb:

Steps:

1. Dial *78 from your phone
2. System plays confirmation: "Do Not Disturb enabled"
3. Hang up

What Happens:

• All incoming calls rejected
• Calls sent directly to voicemail
• Phone does not ring
• Caller hears voicemail greeting
• Status shows "DND" on display/panel

Use Cases:

• In important meeting
• Focusing on critical work
• After hours (personal time)
• On vacation/out of office
• Training/presentation

Deactivate Do Not Disturb:

Steps:

1. Dial *79 from your phone
2. System plays confirmation: "Do Not Disturb disabled"
3. Hang up

What Happens:

• Phone returns to normal operation
• Incoming calls ring normally
• Status shows "Available"
• All features resume

Tip: Remember to disable DND when you're available again, or calls will continue going to voicemail!

DND Behavior Details:

Call Routing:

Incoming Call
↓
DND Enabled?
↓ Yes
Send to Voicemail (immediate)
Caller hears greeting
Can leave message

Features Affected:

• ✅ Direct calls: Voicemail
• ✅ Ring group calls: Skipped
• ✅ Queue calls: Agent unavailable
• ✅ External calls: Voicemail
• ✅ Internal calls: Voicemail
• ⚠️ Emergency override: May still ring (configurable)

Still Works:

• Outbound calls (you can still call out)
• Voicemail access
• Other feature codes
• Web portal access

DND vs Call Forwarding:

• DND: Sends to voicemail (you)
• Forward: Sends to another number
• DND + Forward: Forward takes priority

Enable Call Waiting:

Steps:

1. Dial *70 from your phone
2. System confirms: "Call waiting enabled"
3. Hang up

What It Does:

• Allows second call while on active call
• Hear beep when new call arrives
• See caller ID on phone display
• Can switch between calls
• Can reject second call

Default: Call waiting typically enabled by default

Disable Call Waiting:

Steps:

1. Dial *71 from your phone
2. System confirms: "Call waiting disabled"
3. Hang up

What It Does:

• Second caller hears busy signal
• Or goes to voicemail (if configured)
• No interruption during calls
• Single call at a time

Use Cases:

• Important calls (no interruptions)
• Conference calls (avoid confusion)
• Training/presentations
• Troubleshooting call quality

Disable Call Waiting for One Call:

Temporary Disable:

1. Dial *70 + phone number
2. Example: *70-555-1234
3. Make call normally
4. Call waiting disabled during this call only
5. Re-enables automatically after hangup

Use Case: Important call where you don't want interruptions, but want call waiting back afterwards.

Using Call Waiting During Calls:

When Second Call Arrives:

1. Hear beep-beep tone
2. See caller ID on display (if available)
3. Choose action:

Actions:

• Press Flash/Hook: Switch to new caller (puts first on hold)
• Ignore: Continue current call, second goes to voicemail
• Press 1: Answer second call (first on hold)
• Press 2: Send to voicemail
• Press 3: Conference both calls

Switching Between Calls:

1. Press Flash or Hook button
2. Alternates between callers
3. Each time you switch, other is on hold
4. Can transfer or conference

Block Your Caller ID (Per-Call):

Steps:

1. Dial *67 + phone number
2. Example: *67-555-1234
3. Call placed with caller ID hidden
4. Recipient sees "Private Number" or "Anonymous"

What Recipient Sees:

• "Private Number"
• "Anonymous"
• "Restricted"
• "Unknown"
• (Varies by carrier)

Use Cases:

• Personal privacy
• Calling from company number but want privacy
• Avoiding callbacks
• Testing call flows

Show Your Caller ID (Override Block):

Steps:

1. Dial *82 + phone number
2. Example: *82-555-1234
3. Call placed with caller ID shown
4. Overrides "always block" setting

Use Case: Your number is set to always block, but you want to show caller ID for this specific call.

Always Block Caller ID:

Configuration (User Settings):

1. Log into user portal
2. Go to Settings > Caller ID
3. Enable "Block Caller ID on Outbound Calls"
4. Save settings

Result:

• All outbound calls show as private
• No need to dial *67 each time
• Use *82 to override per call
• Applies to all devices

Use Cases:

• Executive privacy
• Personal preference
• Company policy
• Sensitive calls

Caller ID Privacy Limitations:

What It Doesn't Do:

• Doesn't hide from emergency services (911)
• Doesn't hide from toll-free numbers (800/888)
• May not work internationally
• Recipient with ANI service may still see number
• Call logs still show number (internal)

Legal Considerations:

• Some jurisdictions restrict caller ID blocking
• Emergency calls always show caller ID
• Business lines may not allow blocking
• Check local regulations

Recipient Options:

• Some people reject anonymous calls
• May go to voicemail automatically
• Business lines often block anonymous
• Consider before blocking important calls

Return Last Call:

Steps:

1. Dial *69 from your phone
2. System announces: "The last call was from [number] at [time]"
3. System prompts: "Press 1 to return the call"
4. Press 1 to dial or hang up to cancel

What It Does:

• Retrieves last incoming call number
• Announces number and time
• Optionally dials number for you
• Works for answered or missed calls

Use Cases:

• Missed call, don't know who called
• Return call quickly
• Check who called before deciding to call back

Call Return Details:

What Number:

• Last incoming call (answered or unanswered)
• Resets when you make outbound call
• Works with internal or external numbers
• Shows blocked numbers as "private"

Announcement Examples:

"The last call was from 555-123-4567 at 2:45 PM. Press 1 to return the call."

"The last call was from extension 1234 at 3:10 PM. Press 1 to return the call."

"The last call was from a private number at 4:00 PM. Cannot return call."

Privacy: Only you hear the announcement. Shared phones remember last call to that phone.

Call Return Limitations:

Doesn't Work For:

• Blocked/anonymous callers (no number available)
• Very old calls (system may not store)
• Shared phones (last call may be for someone else)
• After outbound call (resets memory)

Alternative: Check Call History in phone display or web portal for complete list of calls.

Reject Current Call:

During Ringing:

• Press Reject or Decline button on phone
• Or send to voicemail: Press Voicemail button
• Or ignore: Let ring until voicemail

Result:

• Caller hears: "The person you're calling is unavailable..."
• Call sent to voicemail
• Can leave message

Call Rejection List (Block Numbers):

Add Number to Reject List:

1. Receive call from number to block
2. Dial *60 after call
3. System prompts: "Enter number to block, then press #"
4. Enter number: 555-1234#
5. System confirms: "Number added to rejection list"

Remove from List:

1. Dial *80
2. System prompts: "Enter number to unblock, then press #"
3. Enter number: 555-1234#
4. System confirms: "Number removed"

Result:

• Blocked callers hear busy signal or rejection message
• Call does not ring your phone
• Not sent to voicemail (blocked entirely)

Use Cases:

• Spam/robocalls
• Harassing callers
• Ex-customers/clients
• Personal privacy

Rejection List Behavior:

What Gets Blocked:

• Exact number match
• Internal extensions
• External numbers
• Both display number and actual CLI

What Isn't Blocked:

• Emergency services
• Different numbers from same caller
• Spoofed caller IDs (may vary)

Management:

• Most systems: Web portal shows reject list
• Can add/remove via portal
• Export/import lists
• Max 50-100 numbers (varies)