The following is the addressbook structure for 6688i, from which we could find one kind of input method:
0x0CE:AD1E 10 db 10h ; capacity
0x0CE:AD1F 00 db 0 ;
0x0CE:AD20 04 db 4 ; input method (abc,Abc,123,chinese)
0x0CE:AD21 00 db 0 ;
0x0CE:AD22 69 db 69h ; string ID (First name
0x0CE:AD23 03 db 3 ;
0x0CE:AD24 0C db 0Ch ; show select during viewing or selecting (I could not explain clearly)
0x0CE:AD25 00 db 0 ;
0x0CE:AD26 18 db 18h ;
0x0CE:AD27 00 db 0 ;
0x0CE:AD28 04 db 4 ;
0x0CE:AD29 00 db 0 ;
0x0CE:AD2A 43 db 43h ; C
0x0CE:AD2B 02 db 2 ;
0x0CE:AD2C 06 db 6 ;
0x0CE:AD2D 00 db 0 ;
0x0CE:AD2E 10 db 10h ;
0x0CE:AD2F 00 db 0 ;
0x0CE:AD30 04 db 4 ;
0x0CE:AD31 00 db 0 ;
0x0CE:AD32 8C db 8Ch ; ?
0x0CE:AD33 01 db 1 ;
0x0CE:AD34 0B db 0Bh ;
0x0CE:AD35 00 db 0 ;
0x0CE:AD36 28 db 28h ; (
0x0CE:AD37 00 db 0 ;
0x0CE:AD38 03 db 3 ;
0x0CE:AD39 00 db 0 ;
0x0CE:AD3A 1F db 1Fh ;
0x0CE:AD3B 01 db 1 ;
0x0CE:AD3C 0F db 0Fh ;
0x0CE:AD3D 00 db 0 ;
0x0CE:AD3E 28 db 28h ; (
0x0CE:AD3F 00 db 0 ;
0x0CE:AD40 02 db 2 ;
0x0CE:AD41 00 db 0 ;
0x0CE:AD42 2A db 2Ah ; *
0x0CE:AD43 03 db 3 ;
0x0CE:AD44 0D db 0Dh ;
0x0CE:AD45 00 db 0 ;
0x0CE:AD46 28 db 28h ; (
0x0CE:AD47 00 db 0 ;
0x0CE:AD48 02 db 2 ;
0x0CE:AD49 00 db 0 ;
0x0CE:AD4A 28 db 28h ; (
0x0CE:AD4B 03 db 3 ;
0x0CE:AD4C 0F db 0Fh ;
0x0CE:AD4D 00 db 0 ;
0x0CE:AD4E 28 db 28h ; (
0x0CE:AD4F 00 db 0 ;
0x0CE:AD50 02 db 2 ;
0x0CE:AD51 00 db 0 ;
0x0CE:AD52 29 db 29h ; )
0x0CE:AD53 03 db 3 ;
0x0CE:AD54 0F db 0Fh ;
0x0CE:AD55 00 db 0 ;
0x0CE:AD56 28 db 28h ; (
0x0CE:AD57 00 db 0 ;
0x0CE:AD58 02 db 2 ;
0x0CE:AD59 00 db 0 ;
0x0CE:AD5A 87 db 87h ; ?
0x0CE:AD5B 01 db 1 ;
0x0CE:AD5C 07 db 7 ;