Telephone system function codes

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

**## Restart devices, only for snom devices!
#+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)

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)

Activate call waiting

**490 Deactivate call waiting

If busy, automatic callback activated


If busy, automatic callback deactivated

*55 Specify primary device within a premium extension (Premium Package)

Call skill service

*73+nnnn1 Call eFax additional costs will occur

Call time control nnnn


Call group nnnn


Call announcement nnnn


Call queue nnnn

*78+nnnn1 Call conference service nnnn

*791            Access voice mail for this extension with password

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

*11*791       Transfer your calls to your voice mail

*11*791158  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)

Become member of the queue with service ID nnnn


Leave queue with service ID nnnn


Echo extension

*86 Block caller ID (CLIR)
*860 Show main number as telephone number
**86 Show telephone number dial (CLIP)

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*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.
Activate or deactivate mute.

Express your needs.

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.