Public man-machine interface, 9 public man machine interface (mmi), 2 presentation of imei – Panasonic EB-GD30 User Manual
Page 15: 3 security, 4 call hold, 5 call waiting

OPERATING INSTRUCTIONS
MCUK991001C8
Section 3
Issue 1
Service Manual
– 9 –
Revision 0
3.9 Public Man Machine Interface (MMI)
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 that are supported by GD30 and GD50 telephones.
The * and # in the following procedures should be replaced by
*
and
#
, respectively. Also <SND> and <END> should be
replaced with
D
and
E
keys.
3.9.1 Reading Phonebook Memory Location
# <MEMORY LOCATION>
Leading zeros can be left out of the location number, e.g. 007 can be 7.
3.9.2 Presentation of IMEI
* # 0 6 #
3.9.3 Security
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 2 * <PIN2 UNBLOCKING KEY> * <NEW PIN2> * <NEW PIN2> #
3.9.4 Call Hold
Place a call on hold
2 <SND>
Recall a held call
2 <SND>
Make a second call
<TELEPHONE NUMBER> <SND>
Swap between two held calls
2 <SND>
End held call
O <SND>
End active call
1 <SND>
Reject incoming call
0 <SND>
3.9.5 Call Waiting
Enable Call Waiting
* 4 3 * # <SND>
Disable Call Waiting
# 4 3 * # <SND>
Call Waiting Status
* # 4 3 * # <SND>