Telephone (Mobile/Cellular) Phase IV, Phase IV Plus, Phase V

Telephone (Mobile/Cellular) Phase IV, Phase IV Plus, Phase V

Depending on the specific network, the telephone consists of the following components: keypad handset, eject box or interface, transceiver (transceiver/mobile phone), electronic charging system with hands-free facility and aerial (mobile phone with booster).

GSM network with fixed installation (mobile):
- Eject box with card reader
- Keypad handset
- Transceiver
- Telephone aerial

GSM network with mobile phone:
- Interface
- Keypad handset
- Mobile phone (includes card reader, keypad handset and transceiver)
- Telephone aerial with aerial amplifier (booster)
- Electronic charging system with hands-free facility

AMPS network with fixed installation (mobile):
- Interface
- Keypad handset
- Transceiver
- Telephone aerial

AMPS network with mobile phone:
- Interface
- Keypad handset
- Mobile phone (includes keypad handset and transceiver)
- Telephone aerial with aerial amplifier (booster)
- Electronic charging system with hands-free facility

In addition to operation using the handset it is also possible to use the telephone from the multifunction steering wheel and from the MID/on-board monitor. In this case, the telephone is connected via the eject box or interface with the I/K-bus and transfers telephone key operation via this data link to the MID, on-board monitor and multifunction steering wheel.

It also offers a hands-free function which enables the driver to use the telephone without having to hold the handset. This function additionally requires a microphone and special speaker. If installed, a DSP amplifier controls the speaker output.

If activated, the button beep tone is output via the speakers of the hands-free facility.

The radio is muted during a telephone conversation in order to improve voice audibility in the vehicle. This function is referred to as radio muting.

Telephone operation is only possible with the SIM card inserted (does not apply to AMPS network). The call number, under which the owner can be called, is stored on this card. No call number is allocated to the telephone itself. Other mobile telephones can also be used with the SIM card and corresponding call number.

Depending on the card provider(not applicable to AMPS network) various additional functions are possible which are also described in the operating instruction. If problems arise, contact the card operator.

Eject Box or Interface
The telephone is connected to the I/K-bus via the eject box/interface and enables additional convenient functions such as operation via MID/on-board monitor and multifunction steering wheel.

Card Reader
Depending on the type of GSM network (mobile/cellular) installed in the vehicle the card reader is located in the eject box or mobile phone.

No card reader is installed for the AMPS network telephone.