NFON Logo
  • Products
    Business Telephony

    Flexible calling solutions that simplify communication and accelerate growth

    • Cloud Telephony
    • Cloud Telephony Details
    • SIP Trunk
    • SIP Trunk Details
    • Devices
    Intelligent Assistant

    Automate effortlessly with multilingual chatbots, voicebots, and smart transcription.

    • Nia
    • botario
    Customer Engagement

    Elevate every customer interaction across all channels with our scalable, AI-powered contact center solution.

    • Contact Center
    • Contact Center Details
    Integrations

    Learn more about which products you use to integrate NFON into your existing systems and tools to improve productivity and customer experiences.

    • Microsoft Teams* Integration for Cloud Telephony
    • CRM Integrations
    • Telephony Integrations (CRM, ERP, Shop & more)
    Add-ons

    • Queue Monitoring
    • Front Desk
    • Hospitality
    • Call Recording

  • Solutions
    Solutions for industries

    Find out how your business can benefit from cloud-based communication.

    • Health & Wellness
    • Retail & E-Commerce
    • Finance, Legal & Insurance
    • Travel & Hospitality
    • Public Sector
    Customer Stories

    Showcasing our customers experiencing the difference with NFON cloud communications.

    • QL-IT: IT
    • bytesquad: Healthcare
    • Foodist: E-Commerce
    • Demeter: Retail
    • Financial.com: IT
    • Wefapress: Manufacturing
    • Analysis Mason: Consultancy
  • Partnerships
    Partner with NFON

    Looking for a new way to power your business? Discover the partnership with us and drive success for your customers.

    • Become a Partner
    • NGAGE Partner Programme
    • Partner Portal
  • Info Center
    Technical Documentation

    Always be up to date with trends and new NFON releases.

    • Documentation
    • Downloads
    • Hardware Updates
    • Hardware Firmware Releases
    • Release Notes
    Resources

    Gain useful insights about our products, trends and cloud telephony.

    • Cloudya FAQ
    • What is Cloud Telephony?
    • Blog
    • Glossary/Lexicon
    • NFON vs Avaya
    Client Areas

    Configure your extensions individually and get full insights on your data records.

    • CDR
    • mynfon.net
    • NFON Status
  • Login
  • en
    • International
    • Deutschland
    • España
    • France
    • Italia
    • Polska
  • Contact
    Contact
    • Contact Us
    • Request call back

    Contact sales:

    +49 8000 - 63 66 24

    Contact support:

    +49 800 63 66 555

    Or send us a request

    Write to us

    Contact sales:

    +49 8000 - 63 66 24

    By sending the contact data, the data protection declaration of NFON AG is acknowledged: Data Protection.

  1. Documentation
  2. Overviews
  3. Product overviews
  4. Functions via *-Codes

    Telephone system function codes

    Download

    Jump to:

    Control codes allow direct access to the telephone system’s functions. The following codes apply:

    Code
     

    Description

    #+n

    Use outside line "n" to call the telephone number ("n" replaces the “0” otherwise required to access an outside line)

    *1

    Start and end voice recording (if this function is enabled for the extension)

    *10+profile number

    Activation of the call forwarding profile

    *11+TN

    Permanent call forwarding to telephone number (TN)

    **11

    Cancel permanent call forwarding

    *12+TN

    If not available, forward to telephone number (TN)

    **12

    Cancel call forwarding if no answer

    *13+TN

    If busy, forward call to telephone number (TN)

    **13

    Cancel call forwarding if busy

    *14+TN

    If not registered, forward to telephone number (TN)

    **14

    Cancel forward if unregistered

    *2+Speed dial

    Directly dial the extension/telephone number via speed dial

    *3

    Pick up the last call ringing in the pick-up groupe

    *3+EXT

    Pick up call coming in to the extension (EXT)

    *490

    Activate call waiting

    **490

    Deactivate call waiting

    *5
     

    If busy, automatic callback activated

    **5
     

    If busy, automatic callback deactivated

    *55

    Specify primary device within a premium extension (Premium Package)

    *72+nnnn 1

    Call skill service

    *73+nnnn 1

    Call eFax additional costs will occur

    *74+nnnn 1

    Call time control nnnn

    *75+nnnn 1

    Call group nnnn

    *76+nnnn 1

    Call announcement nnnn

    *77+nnnn 1

    Call queue nnnn

    *78+nnnn 1

    Call conference service nnnn

    *791

    *791            Access voice mail for this extension with password

    *791158       Access voice mail for extension 158, with the password for 158!

    11791       Transfer your calls to your voice mail

    11791158  Transfer your calls to the voice mail of the extension 158

    *792 

    Access voice mail entering extension number, e.g. for remote enquiry

    *8

    Call Pull seamlessly between devices and clients

    *80

    Activate intercom

    **80

    Deactivate intercom

    *80+NST

    Intercom to extension (EXT)

    *84+nnnn 1

    Become member of the queue with service ID nnnn

    **84+nnnn 1

    Leave queue with service ID nnnn

    *85

    Echo extension

    *86

    Block caller ID (CLIR)

    *860

    Show main number as telephone number

    **86

    Show telephone number incl.direct dial (CLIP)

    *87

    Subscribe to Skill-set

    **87

    Unsubscribe to Skill-set

    *9+Project Number

    Define a project number for outbound calls. (Note: The project number is only valid for the very next outbound call)

    Function codes for conference rooms during an active conference.

    **

    Help

    *2

    Activate or deactivate mute.

    *3

    Express your needs.

    *5

    Activate or deactivate mute of all participant.

    *6

    Lock the conference.

    1) nnnn is the four digit Service ID with leading zeros (0). For example, in a callgroup, IVR, eFax, etc. This means: is the Service ID "1", "0001" must be entered when entering the function code.

     

    NFON Logo

    News

    • Events
    • Press

    Customers

    • Cloudya Login
    • Admin Portal
    • NFON Status

    About NFON

    • Corporate
    • Investor Relations
    • Sustainability & ESG
    • Career

    Legal

    • GTC-SLA
    • Legal Notice
    • Trust Center
    • Data Protection
    • Cookie Settings
    © 2025 - NFON | All rights reserved. Get a demo