– 3–10 –
When a call is received the last eight digits of the CLI information is matched with the phonebook. Therefore an incoming call
could be matched to the wrong phonebook entry.
3.8.1. General
3.8.2. Reading the Phonebook Memory Location
3.8.5. Call Hold
3.8.6. Call Waiting
3.8.4. Security
3.8.3. Presentation of IMEI
It is possible to operate all GSM telephones in the same way using the Public MMI. The following operations will work with all
GSM telephones. However, this information is restricted to those operations supported by the telephone.
The
∗
and # in the following procedures should be replaced by and respectively. Also <SND> and (END>
should be replaced with and keys.
# <MEMORY LOCATION> #
Leading zeros can be left out of the location number, e.g. 007 can be 7.
Press key.
Change PIN
* * 0 4 * <OLD PIN> * <NEW PIN> * <NEW PIN> #
Change PIN2
* * 0 4 2 * <OLD PIN2> * <NEW PIN2> * <NEW PIN2> #
Unblock PIN
* * 0 5 * <PIN UNBLOCKING KEY> * <NEW PIN> * <NEW PIN> #
Unblock PIN2
* * 0 5 * <PIN2 UNBLOCKING KEY> * <NEW PIN2> * <NEW PIN2> #
Place a Call on Hold
2 <SND>
Recall a Held Call
2 <SND>
Make a Second Call
<TELEPHONENUMBER>?<SND>
Swap between two Held Calls
2 <SND>
End Held Call
0 <SND>
End Active Call
1 <SND>
Reject Incoming Call
0 <SND>
Enable Call Waiting
* 4 3 * <SND>
Disable Call Waiting
# 4 3 * <SND>
Call Waiting Status
* # 4 3 * # <SND>
3.7. Incoming Call Line Identification (CLI)
3.8. Public Man Machine Interface (MMI)
