Fallback twinning is used when the system cannot detect the normal connection to your phone. The twinning menu is only available if you have been configured by the system administrator to be able to use mobile twinning.
1.Press the Features soft key if shown. To do this during a call, press the PHONE key and then press the Features soft key.
2.Use the up and down cursor keys to highlight Forward. Press Select.
3.Use the up and down cursor keys to highlight Mobile Twinning. Press Select.
4.Select Fallback Twinning. Press Off.
5.Press Save.