How To Set Up Programmable Keys on the Snom M55 DECT Handset and the Snom M58 DECT Desk Phone

February 20, 2023 by Tony Monteleone

Snom has introduced its new Snom M5xx DECT Series, which includes the Snom M55 DECT Handset, the Snom M58 DECT Desk Phone, and the Snom M500 Pro Multicell Base Station.

The Snom M55 DECT Handset supports six Programmable Feature Keys (PFKs). The Snom M58 DECT Desk Phone supports 24 PFKs (three pages of 8 PFKs).

The following steps describe how to set up PFKs on both the Snom M55 DECT Handset and the Snom M58 DECT Desk Phone.

Configuring Programmable Keys:

Web UI

  1. On the System → Programmable Keys page, click the Select Handset list and select a handset/deskset.
  2. For M58 Programmable Keys, click the Page number list and select the PFK page number you want to update.
  3. For each PFK:
  • Click the Type list and select a Key Type.
  • If applicable, click the Account list and select a SIP account.
  • If applicable, click the Value box and enter a value.


Import the following setting values to M500 via provisioning for the PFKs that you want to assign. 

  • Substitute ‘x’ with the device number (1-48).
  • Substitute ‘y’ with the PFK number (1-6 for handset, 1-24 for deskset).
  • Substitute <Type> with the programmable key type.
  • If applicable, substitute <Account> with the SIP account number. 
  • If applicable, substitute <Value> with the relevant numeric value. 
  • For more details about how to substitute <Type>, <Account> and <Value>, see the additional Key Types listed here.
cordless.x.pfk.y.feature = <Type>
cordless.x.pfk.y.account = <Account>
cordless.x.pfk.y.value = <Value>

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