The GSM-doorbell has been updated. To better serve the market Waleli has expanded the options of the GSM-doorbell. These new options allow the GSM-doorbell to be used in new applications.

Hardware Modifications:

• The GSM-doorbell is triggered by AC and DC.
• The GSM-doorbell boots faster.
• Extra volume on the output line.
• High frequencies are filtered to reduce GSM interference on the audio line.

Additional functionality:

• Ability to change more settings in the GSM-doorbell during one call.
• No data timer is extended from 10 seconds to 20 seconds.
• Healthcare function: old settings are automatically restored after xx min.
• Calling the GSM-doorbell and opening the door. (Ringing the doorbell first is no longer necessary.)
• Opening the door/gate using callerID. Max 3 numbers.
• The output volume can be adjusted by sending TEXT messages.
• Receive feedback as DTMF tones/ TEXT messages in the following cases:
  - if the door relay is activated.
  - if the outgoing number is changed.