Depois de actualizar a ZTE obtenho esta info:
PPP chat log
ATZ
OK
ATI
Manufacturer: ZTE INCORPORATED
Model: MF620
Revision: PTP671M1V1.0.2B03 PTP671M1V1.0.2B03 1 [Jan 10 2008 17:00:00]
IMEI: 3xxxxxxxxxxxxxxxxxx63
+GCAP: +CGSM,+FCLASS,+DS
OK
AT+COPS?
+COPS: 0
OK
AT+CGDCONT=1,"IP","in
+ZUSIMR:2
ternet"
OK
ATD*99#
CONNECTSerial connection established.
using channel 2
Using interface ppp0
Connect: ppp0 <--> /dev/usb/tts/2
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x4 ]
No auth is possible
sent [LCP ConfRej id=0x4 ]
rcvd [LCP ConfAck id=0x1 ]
rcvd [LCP ConfReq id=0x5 ]
sent [LCP ConfAck id=0x5 ]
sent [LCP EchoReq id=0x0 magic=0x5e39273e]
sent [CCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
rcvd [LCP DiscReq id=0x6 magic=0x1555dda]
rcvd [LCP EchoRep id=0x0 magic=0x1555dda 01 55 5d da]
rcvd [LCP ProtRej id=0x7 80 fd 01 01 00 15 12 06 00 00 00 01 1a 04 78 00 18 04 78 00 15 03 2f]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
sent [IPCP ConfReq id=0x1 ]
IPCP: timeout sending Config-Requests
sent [LCP TermReq id=0x2 "No network protocols running"]
sent [LCP TermReq id=0x3 "No network protocols running"]
Connection terminated.
Continuo a não conseguir a ligação.
O que posso estar a fazer mal?