Siemens Brodersen MC55 AT Command Manual page 420

AT^SNFW
OK
To switch back and forth:
AT^SNFS=4
OK
AT^SNFS=2
OK
MC55_ATC_V04.00
Confidential / Released
Stores the audio mode and the interface.
Switches to the handset connected to analog interface 1.
Switches to the handsfree device at analog interface 2.
Page 420 of 475 3/17/06