Strings are in double quotes.  Double quotes are encoded by } followed by
control B (0x2).  } is encoded by }].  

Phone book entries are read with AT#PBOKR=n.  Somes this includes a time stamp, perhaps indicating that an entry has been modified.

Some commands tried using kermit.

AT&V
&C: 2; &D: 2; &F: 0; E: 1; L: 0; M: 0; Q: 0; V: 1; X: 4; Z: 0; S0: 0
S10: 14; S11: 95; S3: 13; S4: 10; S5: 8; S6: 2; S7: 50; S8: 2; S9: 6
+FCLASS: 0; +CFG: ""; +FCC: 0,1,0,0,0,0,0,0; +FIS: 0,1,0,0,0,0,0,0
+CDR: 0; +CDS: 0,1,2048,6; +CFC: 0; +CQD: 10; +CRC: 0; +CRM: 2; +CTA: 15
+CXT: 0; +DR: 0; +DS: 3,0,2048,6; +EB: 1,0,30; +EFCS: 1; +ER: 0
+ES: 3,0,2; +ESR: 1; +ETBM: 1,1,20; +FAA: 0; +FAP: 0,0,0; +FBO: 0
+FBU: 0; +FCQ: 1,0; +FCR: 0; +FCT: 1E; +FEA: 0; +FFC: 0,0,0,0; +FHS: 0
+FIE: 0; +FIP: 0; +FLI: ""; +FLO: 1; +FLP: 0; +FMS: 0; +FNR: 0,0,0,0
+FNS: ""; +FPA: ""; +FPI: ""; +FPP: 0; +FPR: 8; +FPS: 1; +FPW: ""
+FRQ: 0,0; +FRY: 0; +FSA: ""; +FSP: 0; +ICF: 3,3; +IFC: 2,2; +ILRR: 0
+IPR: 115200; +MA: ; +MR: 0; +MS: ; +MV18R: 0; +MV18S: 0,0,0; +CMUX: C,2

OK
AT#PCBIT?
ERROR
AT#PMODE=1
OK
AT#PCBIT?
#PCBIT: 1008,1,0,5,5,300,300,21,1,12,32,20,32,3,"URL",32,"Birthday",10,"Avatar",2

AT#PBOKR=1
#PBOKR: 1,1,0,20,"Two Home",0,0,111111111,0,,,,,2222222222,0,,,,,,,"","",

OK
AT#PBOKR=0
ERROR
AT#PBOKR=2
#PBOKR: 2,3,1,20,"Jones, Mike",0,0,5551112222,0,5552223333,0,9161111111,0,,,,,,,,,"bitpim@a.com","bitpim.sf.net",

OK
at#PBOKR=19
#PBOKR: 19,19,3,20,"Mary 'mary' }merry}",2,0,916,0,1235551212,0,1235552121,0,,,,,,,,,"","",

OK
AT#PBOKR=300
OK
AT#PBOKR=3
#PBOKR: 3,23,3,20,"{Mary}]mary' }merry}",2,0,916,0,1235551212,0,1235552121,0,,,,,,,,,"","",

OK
AT#PBOKR=4
#PBOKR: 4,18,4,20,"Omar }{}][]",2,0,,,,,3361111111,0,,,,,,,,,"","",01/16/1984,10,20040629T214559

OK


Edit entry name to be "{}[]}]

AT#PBOKR=4
#PBOKR: 4,18,4,20,"} { }] [ ] }]]",2,0,,,,,3361111111,0,,,,,,,,,"","",01/16/1984,10,20040629T215812

OK
AT#PBOKR=?
#PBOKR: (1-301),(0-4),20,32,32,32,10,0

AT#PBDYN?
#PBDYN: 916-111-1111

OK
AT#PMUNA?
#PMUNA: 20040626T153553,M,"BitPim"

OK
AT#PMUNA=?
#PMUNA: 14,1