User guide
Doortello Business
Issue 1.00
Page 24
Speakerphone operational mode
The Doortello Business has a microprocessor controlled speakerphone. This enables
the use of different operational modes. As default the half duplex mode is enabled.
In this case the microphone is active until a speech is detected on the telephone line.
Automatic hang up after driver contact activation
The Doortello Business will, from factory, hang up as soon as a driver contact is
activated. This function can be deactivated, i.e. if you want to activate more time
the driver contact during a conversation. To deactivate the automatic hang up
functionality please follow this procedure:
OK tone
OK tone
To switch this feature back on:
OK Ton
OK Ton
Please note!
This feature is applied to ALL driver contacts
microphone is switched on manually, and with the digit
the speakerphone is
switched back in the programmed automatic modality.
Microphone always off
The microphone is always off. This status is used for testing purposes only.
To change the operating method of the microphone after line seizure please follow
this procedure:
OK tone
{microphone operating mode}
OK tone
Example:
You want that the microphon on as soon as a button is pressed. Input:
OK tone
OK tone
Please note!
If you switch on the microphone as soon as the line is seized the device may
have problems to detect the call progress tone correctly.