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Apple iPhone 7

Troubleshooting

If your device isn't working properly, you can try several solutions to solve the problem.
In most cases you can solve the problem by following these guidelines:

I can't receive voice calls

Cause 1 of 3: Missed calls are diverted too fast

Missed calls are diverted to your COMBOX® (or another number) after a set number of seconds. If the time limit is set to the lowest number of seconds, it may be difficult to answer the call in time.

Solution: Select a longer time interval for diverting missed calls.

Step 1 of 9

Press Phone.

Step 2 of 9

Press Keypad.

Apple iPhone 7 (iOS10)
Step 3 of 9

Select one of the following options:
Divert all calls, go to 2a.
Divert missed calls, go to 2b.
Divert if unavailable, go to 2c.
Divert if busy, go to 2d.

Step 4 of 9

Key in **21*+41794999000#
Press the call icon.

Apple iPhone 7 (iOS10)
Step 5 of 9

To select for how long you want your mobile phone to ring before the call is diverted:
Key in **61*+41794999000**the required number of seconds#

Step 6 of 9

E.g.:
**61*+41794999000**5#
Press the call icon.

Step 7 of 9

Key in**62*+41794999000#
Press the call icon.

Step 8 of 9

Key in**67*+41794999000#
Press the call icon.

Step 9 of 9

Press the Home key to end the session and return to the Home screen.

1 Find "Keypad"

Press Phone.
Press Keypad.

2 Select option

Select one of the following options:
Divert all calls, go to 2a.
Divert missed calls, go to 2b.
Divert if unavailable, go to 2c.
Divert if busy, go to 2d.
Apple iPhone 7 (iOS10)

3 2a - Divert all calls

Key in **21*+41794999000#
Press the call icon.

4 2b - Divert missed calls

To select for how long you want your mobile phone to ring before the call is diverted:
Key in **61*+41794999000**the required number of seconds#
Apple iPhone 7 (iOS10)
E.g.:
**61*+41794999000**5#
Press the call icon.

5 2c - Divert if unavailable

Key in**62*+41794999000#
Press the call icon.

6 2d - Divert if busy

Key in**67*+41794999000#
Press the call icon.

7 Return to the Home screen

Press the Home key to end the session and return to the Home screen.