- Teleboard | Support Center
- Solution home
- Yealink T4 Series Phones User Guides – T43U, T46U, T48U
-
Getting Started
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Terminology and Technology
- Glossary A-I
- Glossary J-R
- Glossary S-Z
- What Is a PBX and How It Can Improve Your Business?
- What Is SIP and How Does It Apply to Your Office Telephone System?
- What Is VoIP?
- What Is IP Telephony and How Is It From Different Voice Over IP?
- What Is an IVR?
- What Is an Auto-Attendant and How Is It Different From IVR?
- What Is a SIP Trunk and PBX Trunking?
- What Is a Cloud Based PBX System and How Is It Better Than a Traditional PBX?
- What Are Hunt Groups and Queues?
- What Is SIP Phone Provisioning?
- Business SMS Solutions
- Telephone Numbers and Porting
- eFax
-
FAQ and Common Solutions
- Why I Can Make Calls but Cannot Receive Them?
- How Do I Forward My Calls? – A Complete Guide
- Why Are My Calls Getting Labeled as 'Spam Likely'?
- How Can I Use an Analog Phone with an IP Phone System?
- Why All My Inbound Calls Go to My Voicemail?
- How Can I Get Remote Support?
- How Do I Connect a Softphone to My Telebroad Phone Line?
- How to Access Voicemails Remotely? – Five Options
- What Is the Difference between an ACD System and a Standard Phone System?
- Software and Hardware Overview
- Role Specific Guides and Resources
- Contact Telebroad
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Terminology and Technology
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Telebroad Admin Center
- Users, Lines, Devices, and Phone Numbers
- Voice Features
- FAQ
- Analytics (Legacy)
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TeleConsole – Desktop/Web
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TeleConsole Desktop/Web – Information and User
Guides
- TeleConsole Windows – Installation, Removal, and Exiting
- Account Sign-In, 2FA, and Password Reset
- Settings
- Account – Profile | DND | Queues
- Sound & Devices and the Download Manager
- Global Search
- Team Chat and Direct Chat
- Calls – Calls Log | Blocking Unwanted Calls
- Calls – Active Calls | Conference/Call Options | Video Doorphone
- Calls – Making and Receiving Calls | Using Integrations
- Messages (SMS/MMS), Conversations, Tasks, and Blocking Spam
- Voicemail
- Faxes
- Contacts
- Highlight Phone Numbers to Call, Fax, and Message
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TeleConsole Desktop/Web – FAQ and Troubleshooting
- What to Do If You Forgot Your Password? (Profile or Sign-In Screen Reset)
- How to Block Spam Texts Messages and Unwanted calls?
- Network Troubleshooting on Windows 10/11
- Network Troubleshooting on macOS
- What to Do if You Are Not Receiving Phone Calls?
- What to do if you Can't See Text Messages or Conversations?
- How to Access and Manage your Voicemail (Greetings, PIN, Prompts)?
- What Is the Call Priority for Different TeleConsole Clients?
- Firewall Access for the TeleConsole (or Other Apps) on Windows 10/11
- Firewall Access for the TeleConsole (or Other Apps) on macOS
- Changing the Default Email App – Windows/macOS/Chrome/Firefox
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TeleConsole Desktop/Web – Information and User
Guides
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TeleConsole Mobile – Android and iOS
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TeleConsole Android User Guides
- Installation, Permissions, Signing In and 2FA, Password Reset
- Account – Editing, Password, DND, Ignore Group Calls, Mark as Read
- TeleConsole Android Settings
- The Messages Screen – Texts (SMS/MMS)
- The Messages Screen – eFaxes
- The Messages Screen – Voicemails
- Call and Voicemail Options, Conference, Make/Receive Calls
- The Calls Screen – Call and Conference Options
- The Dial Pad, Make/Receive Calls, Voicemail Options
- Call History
- Contacts
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TeleConsole Android FAQ and Troubleshooting
- What to Do If You Forgot Your Password?
- What To Do if You Are Not Receiving Phone Calls?
- Fixing Your Android Wi-Fi/Mobile-Data Connection
- What Are Public Contacts?
- What to do if you Can't See Text Messages or Conversations?
- How to Change Your Password?
- How to Change the Voicemail/eFax Sharing Option?
- How to Select a Caller ID?
- How to Activate DND and Disable Notifications?
- What to Do If You Cannot See/Receive Voicemails, SMS Messages, or Faxes?
- How to Setup Call Forwarding?
- How to Deal with Static and Noise Interference?
- What Are Company Contacts and Personal Contacts?
- How Does Your Mobile Device DND Affect Incoming Calls?
- How to Return to the Active Calls/Call Options screen?
- How to Change the Default Email App on Android Devices?
- How to Access and Manage your Voicemail (Greetings, PIN, Prompts)?
- What Is the Call Priority for Different TeleConsole Clients?
- How to Dial Phone Numbers From Android Web Browsers?
- TeleConsole iOS User Guides
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Teleconsole iOS FAQ and Troubleshooting
- What to Do If You Forgot Your Password?
- How to Change Your Pasword?
- How to Select a Caller ID?
- What Are Public Contacts?
- How to Setup Call Forwarding?
- How to Change the Default Email App on iOS Devices?
- What Are Company Contacts and Personal Contacts?
- How to Deal with Static and Noise Interference?
- How to Activate DND and Disable Notifications?
- How to Access and Manage your Voicemail (Greetings, PIN, Prompts)?
- What Is the Call Priority for Different TeleConsole Clients?
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TeleConsole Android User Guides
- Managing your TeleConsole Account
- Telebroad Apps and Additional Integrations
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Buying Guides
-
Phones
- SIP Telephones Buying Guides (Corded, Cordless, and Conference)
- SIP Phones Features, Definitions, and Terminology
- DECT (Cordless) SIP Phones
- Wall Mounting Brackets for Yealink T4/T5 and Poly VVX Desk Phones
- Conference SIP Phones (Yealink CP and Poly Trio)
- Replacement Handsets for Yealink T4/T5 and Poly VVX Desk Phones
- Routers
- Headsets
- Door Phones and Keypads
- Overhead Paging Systems
- Returns/Exchanges and Warranty
- Voice Library and Phone Scripts
-
Phones
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Features and Advantages
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Mobility Features
- Voicemail to Email and Remote Voicemail Access
- UNI-Mobile Global Cellular Service
- Mobile Softphone and Communication Hub
- Call Forwarding and Scheduled Forwarding
- Simultaneous and Sequence Call Ringing (Find Me/Follow Me Forwarding)
- Call Park
- Filtered Forwarding (Caller ID Forwarding)
- Hot Desking
- On the Go Extensions
- Business Identity Features
-
Productivity Features
- Inbound Caller ID and Call Screening
- Call Blocking and Call Filtering
- Text Messages Blocking
- Hunt Groups, Queues, and Automatic Call Distribution
- Call Recording
- Call Monitoring, Call Whisper, and Barge in
- Conference Bridge
- Voicemail Extras
- Intercom and Office Announcements
- Caller ID Extras
- Do Not Disturb
- Mailboxes Combiner
- Microsoft Outlook Integration
- Web URL
- Zapier Automations
- Zoho PhoneBridge
- Inbound Calling Features
- Administration features
- Other Features
- Customer Service Features
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Mobility Features
- Telephone Keys Layouts and Quick Reference Guides
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Yealink T4 Series Phones User Guides – T43U, T46U, T48U
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Telebroad System Features for All Yealink Telephone
Models
- What Are Telephone System Features for Yealink Phones?
- Accessing Voicemail, Prompts Map, and Options (Greetings and PIN)
- Buzzing a Door Phone
- Call Forwarding Dial Code for Yealink Phones
- Group Intercom Paging
- Grabbing an Incoming Call
- Intercom
- Private Caller ID
- Remote Access to Your Voicemail
- Transfer to Voicemail
- Voicemail to Email
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Yealink SIP-T43U
- Keys Layout, LEDs Status, and Quick User Guide
- Rebooting, Updating Firmware/Configuration, Factory Reset
- Web User Interface Access/Connectivity Troubleshooting
- Manual Network Configuration (Static IP Address)
- Wi-Fi Network Connection and Management
- Anonymous Calls – Configuring, Dialing, and Rejection
- Auto Redial
- Blocking Calls With the Blocklist Directory
- Call Forwarding and Diverting
- Call Mute and Keep Mute
- Call Transfer (Blind, Attended, Semi-Attended, BLF/DSS)
- Conference Calling
- Do Not Disturb
- Hold and Resume
- Using Your Phone as an Intercom
- Parking and Retrieving a Call
- Voicemail Access, PIN, Configuration, and Prompts
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Yealink SIP-T46U
- Yealink SIP-T46S/T46U Screens, Keys Layout, and Quick User Guide
- Web User Interface Access/Connectivity Troubleshooting
- Rebooting, Updating Firmware/configuration, Factory Reset
- Manual Network Configuration (Static IP Address)
- Wi-Fi Network Connection and Management
- Anonymous Calls – Configuring, Dialing, and Rejection
- Auto Redialing
- Blocking Calls With the Blocklist Directory
- Call Forwarding
- Call Transfer (Blind, Attended, Semi-Attended, BLF/DSS)
- Conference Calling
- Do Not Disturb
- Hold and Resume
- Using Your Phone as an Intercom
- Muting a Call and Keep Mute Mode
- Voicemail Access, PIN, Configuration, and Prompts
- Parking and Retrieving Calls
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Yealink SIP-T48U
- Yealink SIP-T48S/T48U Screens, Quick User Guide, and Keys Layout
- Web User Interface Access/Connectivity Troubleshooting
- Rebooting, Updating Firmware/configuration, Factory Reset
- Manual Network Configuration (Static IP Address)
- Wi-Fi Network Connection and Management
- Auto Redialing
- Anonymous Calls – Configuring, Dialing, and Rejection
- Blocking Calls With the Blocklist Directory
- Call Forwarding
- Call Transfer (Blind, Attended, Semi-Attended, BLF/DSS)
- Conference Calling
- Do Not Disturb
- Hold and Resume
- Using Your Phone as an Intercom
- Mute and Keep Mute
- Voicemail Access, PIN, Configuration, and Prompts
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Telebroad System Features for All Yealink Telephone
Models
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Yealink T5 Series Phones User Guides – T53/T53W, T54W/T57W,
T58W/VP59
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Yealink SIP-T53/T53W
- Yealink SIP-T53/T53W Keys Layout, Idle Screen, and Quick User Guide
- Web User Interface Access/Connectivity Troubleshooting
- Rebooting, Updating Firmware/Configuration, Factory Reset
- Yealink T53/53W – Performing Network Diagnostics (Ping/Trace Route)
- Wi-Fi Network Connection and Management
- Manual Network Configuration (Static IP Address)
- Anonymous Calls – Configuring, Dialing, and Rejection
- Auto Redialing
- Blocking Calls With the Blocklist Directory
- Call Forwarding and Diverting
- Call Transfer (Blind, Attended and Semi-Attended, BLF/DSS)
- Conference Calling
- Do Not Disturb
- Mute
- Hold and Resume
- Using Your Phone as an Intercom
- Parking and Retrieving a Call
- Voicemail Access, PIN, Configuration, and Prompts
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Yealink SIP-T54W/SIP-T57W
- Yealink SIP-T57W Keys Layout, LED status, Touch Screen, Quick Guide
- Yealink SIP-T54W Keys Layout, LED status, Screens, and Quick User Guide
- Rebooting, Updating Firmware/Configuration, Factory Reset
- Web User Interface Access/Connectivity Troubleshooting
- Performing Network Diagnostics (Ping/Trace Route)
- Wi-Fi Network Connection and Management
- Manual Network Configuration (Static IP Address)
- Anonymous Calls – Configuring, Dialing, and Rejection
- Auto Redialing
- Blocking Calls With the Blocklist Directory
- Call Forwarding and Diverting
- Call Transfer (Blind, Attended, Semi-Attended, BLF/DSS)
- Conference Calling
- Do Not Disturb
- Mute
- Hold and Resume
- Using Your Phone as an Intercom
- Parking and Retrieving a Call
- Voicemail Access, PIN, Configuration, and Prompts
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Yealink SIP-T58W/VP59
- Yealink VP59 Keys Layout, Touch Screen Functions, and Quick User Guide
- Yealink SIP-T58A Keys Layout, Touch Screen Functions, and Quick Guide
- Registering and Switching SIP Accounts
- Rebooting, Updating Firmware/Configuration, Factory Reset
- Web User Interface Access/Troubleshooting Connectivity
- Connecting a Mobile Phone/Device via Bluetooth
- Wi-Fi Network Connection and Wireless Access Point
- Performing Network Diagnostics (Ping/Trace Route)
- Manual Network Configuration (Static IP Address)
- Auto Redialing
- Anonymous Calls – Configuring, Dialing, and Rejection
- Blocking Calls With the Blocklist Directory
- Call Transfer (Blind, Attended, Semi-Attended, BLF/DSS)
- Call Forwarding and Diverting
- Conference Calling (Local, Hybrid UC Meeting, Network)
- Do Not Disturb and Silent Mode
- Hold and Resume
- Using Your Phone as an Intercom
- Mute and Keep Mute
- Parking and Retrieving a Call
- Voicemail Access, PIN, Configuration, and Prompts
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Yealink SIP-T53/T53W
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Yealink CP925/965/935W, 73P/76P/78P, W80/W90 User Guides
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Yealink CP925/965/935W
- Yealink CP925 – Keys, Screens, Mute LEDs Status, and Ports
- Yealink CP965 – Keys, Screens, Mute LEDs Status, and Ports
- Yealink CP925/965/935W – Rebooting, Updating Firmware/configuration, Factory Reset
- Web User Interface Access/Troubleshooting
- Connecting and Using Mobile Phone via Bluetooth
- Network Diagnostics (Ping/Trace Route)
- Wi-Fi Network Connection
- Manual Network Configuration (Static IP)
- Anonymous Calls – Configure, Dial, or Reject
- Blocking Calls With the Blocklist Directory
- Call Forwarding and Diverting
- Call the Last Incoming Number, Auto Redial, and Call Completion
- Call Transfer (Attended/Semi-Attended/Blind/BLF)
- Conference Calling (Local, Hybrid UC Meeting, Network)
- Do Not Disturb, Manual Call Rejection, and Silent Mode
- Hold and Resume
- Intercom Calls
- Mute and Keep Mute
- Parking and Retrieving Calls
- Recording a Call
- Voicemail Access, PIN, Configuration, and Prompts
- Yealink CP935W Specific Guides
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Yealink DECT W73P, 76P, 78P
- Yealink IP DECT W56P/56H Keys Layout, Base Station Description, and Quick User Guide
- Using the W56H/73H/78H Handset and DD10K Dongle With a SIP-T5 Deskophone
- Handset Registration, Renaming, and Locating
- Web User Interface Access/Connectivity Troubleshooting
- Restarting, Updating Firmware/configuration, Factory Reset
- Anonymous Calls – Configuring, Dialing, and Rejection
- Call Forwarding
- Call Transfer (to a Contact/to a Held Call)
- Conference Calls
- Do Not Disturb and Silent Mode
- Hold and Resume
- Intercom Calls Between DECT Phones/Handsets
- Muting a Call
- Push-to-Talk (PTT)
- Redialing Recent Numbers and Speed Dial
- Voicemail Access, PIN, Configuration, and Prompts
- Using a Bluetooth Headset
- Yealink W80 and W90 Multi-Cell DECT IP System
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Yealink CP925/965/935W
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Poly VVX 301/311,401/411,601 and VVX 250/350/450 User
Guides
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Telebroad System Features for All Poly VVX Telephone
Models
- What Are Telephone System Features for Poly Phone?
- Intercom
- Transfer to Voicemail
- Private Caller ID
- Accessing Voicemail, Prompts Map, and Options (Greetings and PIN)
- Call Forwarding Dial Code
- Grabbing an Incoming Call
- Buzzing a Door Phone
- Voicemail to Email
- Remote Access to Your Voicemail
- Group Intercom Paging
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Poly VVX 301/311 User Guides
- Poly VVX 301/311 Quick User Guide and Keys Layout
- Poly VVX 301/311 Phone Views (Home, Lines, Calls)
- Restarting, Updating Firmware/Configuration, Factory Reset
- Web Configuration Utility Access and Troubleshooting
- Hold and Resume
- Mute Call
- Call Transfer (Consultative/Blind)
- Do Not Disturb
- Call Forwarding and Diverting
- Conference Calling
- Voicemail Indicators, Access, and Voice Prompts
- Parking and Retrieving Calls
- Using Your Phone as an Intercom
- Blocking Calls with Auto Reject
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Poly VVX 401/411 User Guides
- Poly VVX 401/411 Quick User Guide and Keys Layout
- Restarting, Updating Firmware/Configuration, Factory Reset
- Web Configuration Utility Access and Troubleshooting
- Phone Views (Home, Lines, Calls)
- Hold and Resume
- Mute a Call
- Call Transfer (Consultative/Blind)
- Do Not Disturb (DND)
- Call Forwarding and Diverting
- Conference Calling
- Voicemail Indicators, Access, and Voice Prompts
- Parking and Retrieving a Call
- Using Your Phone as an Intercom
- Blocking Calls with Auto Reject
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Poly VVX 601 User Guides
- Poly VVX 601 Quick User Guide and Keys Layout
- Phone Views – Home, Calls, Lines, Active Call
- Restarting, Updating Firmware/Configuration, Factory Reset
- Web Configuration Utility Access and Troubleshooting
- Hold and Resume
- Mute a Call
- Call Transfer (Consultative/Blind)
- Do Not Disturb
- Call Forwarding and Diverting
- Conference Calling
- Voicemail Indicators, Access, and Voice Prompts Map
- Using Your Phone as an Intercom
- Parking and Retrieving Calls
- Blocking Calls with Auto Reject
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Poly VVX 250/350/450 User Guides
- Poly VVX 250 Keys Layout and Quick User Guide
- Poly VVX 350 Quick User Guide and Keys Layout
- Poly VVX 450 Quick User Guide and Keys Layout
- Screens – Main Menu, Calls Screen, and Lines Screen
- Restarting, Updating Firmware/Configuration, and Factory Reset
- Web Configuration Utility Access and Troubleshooting
- Hold and Resume
- Mute a Call
- Transferring Calls (Consultative/Blind)
- Do Not Disturb
- Call Forwarding and Diverting
- Conference Calling
- Voicemail Access, Indicators, and Prompts Map
- Blocking Calls with Auto Reject
- Placing an Intercom Call
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Telebroad System Features for All Poly VVX Telephone
Models
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Poly Trio Series Conference Phones
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Trio Series Conference Phones User Guides
- Poly Trio C60 Keys Layout, Status Icons, and Quick User Guide
- Poly Trio 8800 Keys Layout, Status Icons, and Quick User Guide
- Poly Trio C60/8800 Main Screens – Home, Calls, Make a Call
- Poly Trio 8300 Keys Layout and Quick User Guide
- Poly Trio 8300 Main Screens – Home, Main Menu, Calls, Make a Call
- Web Configuration Utility Access and Troubleshooting
- Restarting, Updating Firmware/Configuration, Factory Reset
- Connecting a Mobile Phone/Device via Bluetooth/NFC
- Do Not Disturb
- Holding and Resuming Calls
- Mute a Call
- Call Transfer
- Voicemail Access, Opions, and Voice Prompts
- Intercom Calls
- Auto Answer
- Conference Calls
- Recording Calls
- Call Forwarding
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Trio Series Conference Phones User Guides
- Provisioning Guides
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Discontinued/No Longer Supported Telephones
- Cisco 504G,508G,525G
- Konftel 300Wx
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Yealink CP930 (Discontinued)
- Registration, Renaming, and Locating the Phone
- Connecting a Mobile Phone/Device via Bluetooth
- Yealink CP930 (Discontinued) Keys Layout, Screens, Ports, and Quick User Guide
- Accessing the Web User Interface
- Holding and Resuming Calls
- Mute a Call
- Do Not Disturb
- Voicemail Configuration, Access, PIN, and Prompts
- Intercom Calls With Other Base Station Handsets
- Call Transfer
- Conference Calls (Local, Hybrid UC Meeting, Network)
- Recording a Call
- Call Forwarding
- Parking and Retrieving a Call
- Anonymous Calling
- Blocking Calls With the Blocklist Directory
- Poly SoundPoint 330
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Yealink T42G
- Yealink T42G Quick User Guide and Keys Layout
- Accessing the Yealink T42G Web User Interface
- Rebooting, Updating Firmware, Factory Reset
- Anonymous Calls – Configuring, Dialing, and Rejection
- Auto Redialing
- Blind Transfer
- Call Transfer (Attended/Semi-Attended)
- Call Forwarding
- Conference Call
- Do Not Disturb
- Hold and Resume
- Mute
- Using Your Phone as an Intercom
- Voicemail Access and Configuration
- Parking and Retrieving a Call
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Yealink CP960 (Discontinued)
- Yealink CP960 (Discontinued) Keys, Touch Screen Functions, Ports, and Keys Layout
- Web User Interface Access/Connectivity Troubleshooting
- Rebooting, Updating Firmware/configuration, Factory Reset
- Connecting a Mobile Phone/Device via Bluetooth
- Wi-Fi Network Connection
- Manual Network Configuration (Static IP Address)
- Hold and Resume
- Mute a Call
- Do Not Disturb and Silent Mode
- Voicemail Access, PIN, Configuration, and Prompts
- Using Your Phone as an Intercom
- Call Transfer (Attended/Semi-Attended/Blind/BLF)
- Call Forwarding
- Conference Calling (Local, Hybrid UC Meeting, Network)
- Recording a Call
- Parking and Retrieving Calls
- Auto Redialing
- Making or Rejecting Anonymous Calls
- Poly SoundPoint 550
- Poly SoundPoint 650
-
Yealink DECT W59R
- Yealink DECT W59R Keys Layout, Idle Screen, and Main Menu
- Rebooting, Updating Firmware/Configuration, Factory Reset
- Web User Interface Access/Connectivity Troubleshooting
- Handset Registration and Renaming
- Using a Bluetooth Headset
- Using the W59R Handset/DD10K Dongle With a Deskphone
- Hold and Resume
- Mute a Call
- Do Not Disturb and Silent Mode
- Voicemail Access, PIN, Configuration, and Prompts
- Call Transfer (Blind, Attended, and Semi-Attended)
- Call Forwarding
- Conference Call
- Making or Rejecting Anonymous Calls
- Redialing Numbers
- Intercom Calls Between Handsets
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Yealink DECT W52P
- Yealink DECT W52P/52H Keys Layout, Base Station, and Quick User Guide
- Handset Registration
- Accessing the Yealink DECT W52P Web User Interface
- Restarting, Updating Firmware, Factory Reset
- Hold and Resume
- Mute a Call
- Do Not Disturb
- Voicemail Configuration and Access
- Call Transfer (Attended and Semi-Attended)
- Blind Transfer
- Call Forwarding
- Conference Call
- Making or Rejecting Anonymous Calls
- Intercom Calls Between Handsets
- Cisco 7960 Factory Reset and Provision
- Poly SoundStation IP 6000 (Discontinued)
- Provisioning Cisco 504G, 508G, 525G
- Polycom SoundStation IP 7000
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Yealink CP860
- Yealink CP860 Phone and Extension Microphone Keys Layout
- Accessing the Yealink CP860 Web User Interface
- Rebooting, Updating Firmware, Factory Reset
- Hold and Resume
- Mute a Call
- Do Not Disturb
- Voicemail Configuration and Access
- Call Transfer (Attended and Semi-Attended)
- Blind Transfer
- Call Forwarding
- Using Your Phone as an Intercom
- Auto Redialing
- Making or Rejecting Anonymous Call
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API Documentation
- REST API - Usage and Format
- REST API - DELETE Requests
-
REST API - GET Requests
- Prohibited Use of Telebroad APIs
- GET/active/calls
- GET/call/flow
- GET/call/history
- GET/call/recording
- GET/calls/recent
- GET/contact and GET/contacts
- GET/contacts/export
- GET/download/mailbox/greeting
- GET/fax/messages
- GET/fax/message
- GET/mailbox
- GET/messages/unread
- GET/my/calls/ringing
- GET/my/huntgroups
- GET/myProfile
- GET/nextSpeedDial
- GET/pbx/logs
- GET/pbx/logs/csv
- GET/people
- GET/phone/cdrs
- GET/phone/destinations
- GET/sms/conversation
- GET/sms/conversations
- GET/sms/lines
- GET/speeddials (results also include BLF)
- GET/Voicemail
- GET/voicemail/file
- GET/cnam
- REST API - POST Requests
- REST API - PUT Requests
- Internal
Yealink SIP-T48U
- Yealink SIP-T48S/T48U Screens, Quick User Guide, and Keys Layout
- Yealink SIP-T48U – Web User Interface Access/Connectivity Troubleshooting
- Yealink SIP-T48U – Rebooting, Updating Firmware/configuration, Factory Reset
- Yealink SIP-T48U – Manual Network Configuration (Static IP Address)
- Yealink SIP-T48U – Wi-Fi Network Connection and Management
- Yealink SIP-T48U – Auto Redialing
- Yealink SIP-T48U Anonymous Calls – Configuring, Dialing, and Rejection
- Yealink SIP-T48U – Blocking Calls With the Blocklist Directory
- Yealink SIP-T48U – Call Forwarding
- Yealink SIP-T48U – Call Transfer (Blind, Attended, Semi-Attended, BLF/DSS)