Installed PC Suite on my laptop here, then managed to sync via that program. Went back to MPE and that could also connect. Maybe the PC Suite installation added some drivers or something.
Anyway, it works now so thanks a lot for the assistance.
For info here is the log:
Logdatei MyPhoneExplorer
************************
Programmversion: 1.7.5
nightly vom 16/02/2010 20:55:49
Datum: 19/02/2010
18:56:27.56 Setting Port: 24
18:56:27.56 Setting Baud: 921600
18:56:27.57 Avaiable Ports: COM3=\Device\AgereModem5; COM4=\Device\Ircomm0; COM23=\Device\USBSER000; COM24=\Device\USBSER001; COM25=\Device\USBSER002; COM26=\Device\USBSER003;
18:56:27.57 Main Load frmSplash
18:56:27.90 Load frmSplash...
18:56:27.91 Show splash...
18:56:27.99 frmSplash geladen
18:56:28.72 Hauptfenster wird geladen
18:56:28.95 Sidebar fertig geladen
18:56:28.96 Farbschema wurde gelesen
18:56:29.07 UC SMS wird geladen
18:56:29.14 UC Phonebook wird geladen
18:56:29.20 UC Phonebook fertig geladen
18:56:29.21 UC Calls wird geladen
18:56:29.25 UC Organizer wird geladen
18:56:29.39 Organizer initiated
18:56:29.42 Database: C:\Program Files\Sony Ericsson\MyPhoneExplorer\zipcodes.mdb successfully loaded
18:56:29.64 Startpage=1
18:56:29.65 Startpage set
18:56:29.66 UC Filebrowser wird geladen
18:56:29.68 UC Filebrowser: Images werden geladen...
18:56:29.69 UC Filebrowser: Icons Haupttoolbar geladen
18:56:29.69 UC Filebrowser: Icons Detailtoolbar geladen
18:56:29.70 UC Filebrowser: Icons PLaylisttoolbar geladen
18:56:29.70 Lade Ordnericon
18:56:29.70 Lade Laufwerkicon
18:56:29.70 Lade sonstige Icons...
18:56:29.71 Lade Treeviewicons...
18:56:29.71 UC Filebrowser: Icons Listview geladen
18:56:29.71 UC Filebrowser: Sprachdaten werden geladen...
18:56:29.74 Winpreview exists=True
18:56:29.82 UC Filebrowser fertig geladen
18:56:29.82 UC AppBrowser wird geladen
18:56:29.84 UC Notes wird geladen
18:56:29.86 UC Calls wird geladen
18:56:29.94 Setting Lastuser: Sony Ericsson U1i [356810034609414]
18:56:29.98 Lade Userdatenbank: Sony Ericsson U1i [356810034609414]
18:56:29.98 GMT Einstellungen geladen
18:56:29.98 InfoSMS geladen
18:56:30.14 LoadDatafile: Phonebook.dat(20692 Bytes)
18:56:30.44 Kontakte geladen
18:56:30.54 LoadDatafile: Calls.dat(74 Bytes)
18:56:30.58 Anrufe geladen
18:56:30.62 LoadDatafile: Organizer.dat(45 Bytes)
18:56:30.62 Organizer geladen
18:56:30.63 Notizen geladen
18:56:30.64 Load SMS Data...
18:56:30.64 LoadDatafile: SMS.dat(94 Bytes)
18:56:30.64 SMS - Datenbank wird geladen...
18:56:30.64 SMS Laden - Readfile: 0 Split: 0 Parse: 0 HandleMultiSMS: 0 Nachrichten: 2
18:56:30.70 RefreshList (Archive): Addrows=0 Sort=0 MenuUpdate=0 Redraw=0
18:56:30.70 SMS Data Loaded...
18:56:30.70 SMS geladen
18:56:31.22 Hauptfenster fertig geladen
18:56:35.97 Avaiable Ports: COM3=\Device\AgereModem5; COM4=\Device\Ircomm0; COM23=\Device\USBSER000; COM24=\Device\USBSER001; COM25=\Device\USBSER002; COM26=\Device\USBSER003;
18:56:35.97 Neue COM-Bibliothek wird verwendet
18:56:35.97 SPort Properties set, opening COM24
18:56:35.98 After OpenPort
18:56:35.98 Settimeout: RT=2000 WT=200
18:56:36.48 Port 24 wurde geöffnet !
18:56:36.49 [TX]: AT+CGSN
18:56:36.53 [RX]: AT+CGSN
18:56:36.53 [RX]: 356810034609414
18:56:36.54 [RX]: OK
18:56:36.54 Settimeout: RT=15000 WT=1000
18:56:36.55 [TX]: ATI
18:56:36.56 [RX]: ATI
18:56:36.56 [RX]: Sony Ericsson U1i
18:56:36.56 [RX]: OK
18:56:36.57 [TX]: AT+CSCS="UTF-8"
18:56:36.59 [RX]: AT+CSCS="UTF-8"
18:56:36.59 [RX]: OK
18:56:36.60 [TX]: ATI3
18:56:36.61 [RX]: ATI3
18:56:36.61 [RX]: Sony Ericsson USB WMC Modem
18:56:36.61 [RX]: OK
18:56:36.61 [TX]: AT+CNMI=2,1,0,1
18:56:36.66 [RX]: AT+CNMI=2,1,0,1
18:56:36.66 [RX]: OK
18:56:36.66 [TX]: AT*ECAM=1
18:56:36.68 [RX]: AT*ECAM=1
18:56:36.68 [RX]: OK
18:56:36.69 [TX]: AT+CIND=?
18:56:36.74 [RX]: AT+CIND=?
18:56:36.74 [RX]: +CIND: ("service",(0-1)),("call",(0-1)),("callsetup",(0-3)),("callheld",(0-2)),("signal",(0-5)),("roam",(0-1)),("battchg",(0-5)),("batterywarning",(0-1)),("chargerconnected",(0-1)),("message",(0-1))
18:56:36.76 [RX]: OK
18:56:36.76 [TX]: AT+CBC
18:56:36.78 [RX]: AT+CBC
18:56:36.78 [RX]: +CBC: 1,74
18:56:36.79 [RX]: OK
18:56:36.79 [TX]: AT+CIND?
18:56:36.86 [RX]: AT+CIND?
18:56:36.86 [RX]: +CIND: 1,0,0,0,5,0,4,0,1,0
18:56:36.87 [RX]: OK
18:56:36.88 Alle Verbindungsaktionen beendet
18:56:39.46 [TX]: AT+CBC
18:56:39.48 [RX]: AT+CBC
18:56:39.48 [RX]: +CBC: 1,74
18:56:39.49 [RX]: OK
18:56:39.55 Form_Activate fSync Operation=2
18:56:39.56 [TX]: AT*ECAM=0
18:56:39.57 [RX]: AT*ECAM=0
18:56:39.57 [RX]: OK
18:56:39.58 [TX]: AT+CCLK?
18:56:39.62 [RX]: AT+CCLK?
18:56:39.62 [RX]: +CCLK: "10/02/19,18:56:38+00"
18:56:39.64 [RX]: OK
18:56:39.65 [TX]: AT*EDST?
18:56:39.68 [RX]: AT*EDST?
18:56:39.68 [RX]: *EDST: 0
18:56:39.70 [RX]: OK
18:56:39.71 [TX]: AT+CSCA?
18:56:39.77 [RX]: AT+CSCA?
18:56:39.77 [RX]: +CSCA: "+447958879879",145
18:56:39.78 [RX]: OK
18:56:39.82 [TX]: AT+CBC
18:56:39.83 [RX]: AT+CBC
18:56:39.83 [RX]: +CBC: 1,74
18:56:39.85 [RX]: OK
18:56:39.85 OBEX OPEN COM25
18:56:39.86 OpenObexPort=True
18:56:39.86 Settimeout: RT=45000 WT=1000
18:56:39.86 OBEX Connect: 16384 Bytes Paketgröße, Target: SYNCML-SYNC
18:56:39.86 [TX]: 80 00 15 10 00 40 00 46 00 0E 53 59 4E 43 4D 4C 2D 53 59 4E 43
18:56:39.86 [RX]: A0 00 1A 10 00 FF FF CB C3 0F A5 96 4A 00 0E 53 59 4E 43 4D 4C 2D 53 59 4E 43
18:56:39.86 Connection ID:-1022384746
18:56:39.86 Paketgröße: 16384, maximal möglich:65535
18:56:39.86 Settimeout: RT=20000 WT=1000
18:56:39.86 OBEX Put: application/vnd.syncml.ds.notification DataLen=46
18:56:39.88 [TX]: 82 00 68 CB C3 0F A5 96 42 00 2A 61 70 70 6C 69 63 61 74 69 6F 6E 2F 76 6E 64 2E 73 79 6E 63 6D 6C 2E 64 73 2E 6E 6F 74 69 66 69 63 61 74 69 6F 6E 00 C3 00 00 00 2E 49 00 31 42 15 28 FF CB BE 14 15 AA 98 63 C2 8F A7 C8 A8 03 00 00 00 00 00 00 08 50 43 20 53 75 69 74 65 10 60 00 00 07 08 43 6F 6E 74 61 63 74 73
18:56:40.02 [RX]: A0 00 03
18:56:40.03 Settimeout: RT=60000 WT=1000
18:56:40.03 OBEX Get: application/vnd.syncml+wbxml
18:56:40.03 [TX]: 83 00 28 CB C3 0F A5 96 42 00 20 61 70 70 6C 69 63 61 74 69 6F 6E 2F 76 6E 64 2E 73 79 6E 63 6D 6C 2B 77 62 78 6D 6C 00
18:56:40.68 [RX]: A0 00 CF 49 00 CC 02 A4 01 6A 00 6D 6C 71 C3 03 31 2E 32 01 72 C3 0A 53 79 6E 63 4D 4C 2F 31 2E 32 01 65 C3 02 31 30 01 5B C3 01 31 01 6E 57 C3 08 50 43 20 53 75 69 74 65 01 01 67 57 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 01 5A 00 01 4C C3 05 36 35 35 33 35 01 00 00 01 01 6B 46 4B C3 01 31 01 4F C3 03 32 30 30 01 54 6E 57 C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 01 67 57 C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 01 5A 00 01 45 4A C3 10 32 30 31 30 30 32 31 39 54 31 38 35 34 33 32 5A 01 4F C3 10 32 30 31 30 30 32 31 39 54 31 38 35 36 33 39 5A 01 01 00 00 01 01 01 12 01 01
18:56:40.68 ObexGet Fertig, Returncode=A0
18:56:40.70 OBEX Put: application/vnd.syncml+wbxml DataLen=403
18:56:40.70 [TX]: 82 01 C3 CB C3 0F A5 96 42 00 20 61 70 70 6C 69 63 61 74 69 6F 6E 2F 76 6E 64 2E 73 79 6E 63 6D 6C 2B 77 62 78 6D 6C 00 C3 00 00 01 93 49 01 96 02 00 00 6A 1D 2D 2F 2F 53 59 4E 43 4D 4C 2F 2F 44 54 44 20 53 79 6E 63 4D 4C 20 31 2E 32 2F 2F 45 4E 6D 6C 71 C3 03 31 2E 32 01 72 C3 0A 53 79 6E 63 4D 4C 2F 31 2E 32 01 65 C3 02 31 30 01 5B C3 01 31 01 6E 57 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 01 67 57 C3 08 50 43 20 53 75 69 74 65 01 01 01 6B 69 4B C3 01 31 01 5C C3 01 31 01 4C C3 01 30 01 4A C3 07 53 79 6E 63 48 64 72 01 6F C3 08 50 43 20 53 75 69 74 65 01 68 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 4F C3 03 32 30 30 01 01 69 4B C3 01 32 01 5C C3 01 31 01 4C C3 01 31 01 4A C3 05 41 6C 65 72 74 01 6F C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 68 C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 4F C3 03 32 30 30 01 54 4F 00 01 45 4A C3 10 32 30 31 30 30 32 31 39 54 31 38 35 34 33 32 5A 01 4F C3 10 32 30 31 30 30 32 31 39 54 31 38 35 36 33 39 5A 01 01 00 00 01 01 01 46 4B C3 01 33 01 4F C3 03 32 30 30 01 54 6E 57 C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 01 67 57 C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 01 5A 00 01 45 4A C3 10 32 30 31 30 30 32 31 39 54 31 38 35 34 33 35 5A 01 4F C3 10 32 30 31 30 30 32 31 39 54 31 38 35 36 34 30 5A 01 01 01 00 00 01 01 12 01 01
18:56:40.71 [RX]: A0 00 03
18:56:40.71 OBEX Get: application/vnd.syncml+wbxml
18:56:40.71 [TX]: 83 00 28 CB C3 0F A5 96 42 00 20 61 70 70 6C 69 63 61 74 69 6F 6E 2F 76 6E 64 2E 73 79 6E 63 6D 6C 2B 77 62 78 6D 6C 00
18:56:40.72 [RX]: A0 01 53 49 01 50 02 A4 01 6A 00 6D 6C 71 C3 03 31 2E 32 01 72 C3 0A 53 79 6E 63 4D 4C 2F 31 2E 32 01 65 C3 02 31 30 01 5B C3 01 32 01 6E 57 C3 08 50 43 20 53 75 69 74 65 01 01 67 57 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 01 5A 00 01 4C C3 05 36 35 35 33 35 01 00 00 01 01 6B 69 4B C3 01 31 01 5C C3 01 31 01 4C C3 01 30 01 4A C3 07 53 79 6E 63 48 64 72 01 6F C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 68 C3 08 50 43 20 53 75 69 74 65 01 4F C3 03 32 30 30 01 01 69 4B C3 01 32 01 5C C3 01 31 01 4C C3 01 33 01 4A C3 05 41 6C 65 72 74 01 6F C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 68 C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 4F C3 03 32 30 30 01 54 4F 00 01 45 4F C3 10 32 30 31 30 30 32 31 39 54 31 38 35 36 34 30 5A 01 01 00 00 01 01 01 6A 4B C3 01 33 01 6E 57 C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 01 67 57 C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 01 5A 00 01 55 C3 06 31 30 32 34 30 30 01 00 00 01 73 C3 01 30 01 01 12 01 01
18:56:40.72 ObexGet Fertig, Returncode=A0
18:56:40.75 OBEX Put: application/vnd.syncml+wbxml DataLen=295
18:56:40.75 [TX]: 82 01 57 CB C3 0F A5 96 42 00 20 61 70 70 6C 69 63 61 74 69 6F 6E 2F 76 6E 64 2E 73 79 6E 63 6D 6C 2B 77 62 78 6D 6C 00 C3 00 00 01 27 49 01 2A 02 00 00 6A 1D 2D 2F 2F 53 59 4E 43 4D 4C 2F 2F 44 54 44 20 53 79 6E 63 4D 4C 20 31 2E 32 2F 2F 45 4E 6D 6C 71 C3 03 31 2E 32 01 72 C3 0A 53 79 6E 63 4D 4C 2F 31 2E 32 01 65 C3 02 31 30 01 5B C3 01 32 01 6E 57 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 01 67 57 C3 08 50 43 20 53 75 69 74 65 01 01 01 6B 69 4B C3 01 31 01 5C C3 01 32 01 4C C3 01 30 01 4A C3 07 53 79 6E 63 48 64 72 01 6F C3 08 50 43 20 53 75 69 74 65 01 68 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 4F C3 03 32 30 30 01 01 69 4B C3 01 32 01 5C C3 01 32 01 4C C3 01 33 01 4A C3 04 53 79 6E 63 01 6F C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 68 C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 4F C3 03 32 30 30 01 01 6A 4B C3 01 33 01 6E 57 C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 01 67 57 C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 01 01 12 01 01
18:56:40.75 [RX]: A0 00 03
18:56:40.75 OBEX Get: application/vnd.syncml+wbxml
18:56:40.76 [TX]: 83 00 28 CB C3 0F A5 96 42 00 20 61 70 70 6C 69 63 61 74 69 6F 6E 2F 76 6E 64 2E 73 79 6E 63 6D 6C 2B 77 62 78 6D 6C 00
18:56:40.76 [RX]: A0 00 F2 49 00 EF 02 A4 01 6A 00 6D 6C 71 C3 03 31 2E 32 01 72 C3 0A 53 79 6E 63 4D 4C 2F 31 2E 32 01 65 C3 02 31 30 01 5B C3 01 33 01 6E 57 C3 08 50 43 20 53 75 69 74 65 01 01 67 57 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 01 5A 00 01 4C C3 05 36 35 35 33 35 01 00 00 01 01 6B 69 4B C3 01 31 01 5C C3 01 32 01 4C C3 01 30 01 4A C3 07 53 79 6E 63 48 64 72 01 6F C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 68 C3 08 50 43 20 53 75 69 74 65 01 4F C3 03 32 30 30 01 01 69 4B C3 01 32 01 5C C3 01 32 01 4C C3 01 33 01 4A C3 04 53 79 6E 63 01 6F C3 10 2E 2F 43 3A 43 6F 6E 74 61 63 74 73 2E 63 64 62 01 68 C3 0A 2E 2F 43 6F 6E 74 61 63 74 73 01 4F C3 03 32 30 30 01 01 12 01 01
18:56:40.76 ObexGet Fertig, Returncode=A0
18:56:40.77 OBEX Put: application/vnd.syncml+wbxml DataLen=184
18:56:40.77 [TX]: 82 00 E8 CB C3 0F A5 96 42 00 20 61 70 70 6C 69 63 61 74 69 6F 6E 2F 76 6E 64 2E 73 79 6E 63 6D 6C 2B 77 62 78 6D 6C 00 C3 00 00 00 B8 49 00 BB 02 00 00 6A 1D 2D 2F 2F 53 59 4E 43 4D 4C 2F 2F 44 54 44 20 53 79 6E 63 4D 4C 20 31 2E 32 2F 2F 45 4E 6D 6C 71 C3 03 31 2E 32 01 72 C3 0A 53 79 6E 63 4D 4C 2F 31 2E 32 01 65 C3 02 31 30 01 5B C3 01 33 01 6E 57 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 01 67 57 C3 08 50 43 20 53 75 69 74 65 01 01 01 6B 69 4B C3 01 31 01 5C C3 01 33 01 4C C3 01 30 01 4A C3 07 53 79 6E 63 48 64 72 01 6F C3 08 50 43 20 53 75 69 74 65 01 68 C3 14 49 4D 45 49 3A 33 35 36 38 31 30 30 33 34 36 30 39 34 31 34 01 4F C3 03 32 30 30 01 01 12 01 01
18:56:40.77 [RX]: A0 00 03
18:56:40.80 SaveDatafile: Phonebook.dat (20692 Bytes)
18:56:40.81 OBEX Disconnect
18:56:40.81 Settimeout: RT=10000 WT=1000
18:56:40.81 [TX]: 81 00 08 CB C3 0F A5 96
18:56:40.81 [RX]: A0 00 03
18:56:40.81 Disconnect hat funktioniert
18:56:40.81 Closing OBEX-Port
18:56:41.06 Settimeout: RT=15000 WT=1000
18:56:41.06 [TX]: AT*ECAM=1
18:56:41.08 [RX]: AT*ECAM=1
18:56:41.08 [RX]: OK
18:56:43.44 Refresh ComDescriptions...
18:56:43.45 MODEM: COM3 Enumerator=PCI LocationInfo=PCI bus 0, device 17, function 6 FriendlyName=Agere Systems AC'97 Modem InstanceID=PCI\VEN_1106&DEV_3068&SUBSYS_10781734&REV_80\3&61AAA01&0&8E
18:56:43.45 PORT: COM4 Enumerator=ROOT Displayed=Virtual IR COM Port InstanceID=ROOT\IRCOMM2K\0000
