Nokia HF-210
removable, built-in speaker, built-in microphone, DSP
Rating: 
Brand history
Speakerphone
Nokia CK-200
stationary, c screen, voice dialing, built-in microphone, external microphone, connection to car audio system, DSP
Rating:
Nokia Display Speakerphone HF-510
removable, screen, built-in speaker, built-in microphone, DSP
Rating:
Nokia Advanced Car Kit CK-7W
stationary, voice dial, built-in speaker, external microphone, connection to car audio system, DSP
Rating:
Nokia CK-20W
stationary, voice dialing, external microphone, connection to car audio system, DSP
Rating: