Yeah sorry that was my fault. I just entered the wrong apn. I'm not familiar with ip or ifconfig so wasn't able to actually use the connection lol but it does appear to be working. Here is the output this time around:

connel@connel-laptop:~$ cd /home/connel/ofono/test/
connel@connel-laptop:~/ofono/test$ sudo /etc/init.d/connman stop
[sudo] password for connel: 
 * Stopping Connection Manager                                                                                                                                               [ OK ] 
connel@connel-laptop:~/ofono/test$ ./list-modems
[ /isimodem0 ]
    Features = sim 
    Powered = 1
    Interfaces = org.ofono.Phonebook org.ofono.SimManager org.ofono.VoiceCallManager 
    Online = 0
    Model = Nokia N900
    Manufacturer = Nokia
    Serial = 356938032649155
    Revision = RX-51_10.2010.19.1
V 0.0.000
RX-51
(c) NOKIA
    [ org.ofono.Phonebook ]
    [ org.ofono.SimManager ]
        SubscriberNumbers = 
        CardIdentifier = 8944110064559156744
        LockedPins = 
        PinRequired = none
        SubscriberIdentity = 234105563494527
        Present = 1
    [ org.ofono.VoiceCallManager ]
        EmergencyNumbers = 119 118 999 110 08 000 911 112 

connel@connel-laptop:~/ofono/test$ ./online-modem
Setting modem /isimodem0 online...
connel@connel-laptop:~/ofono/test$ ./create-context mobile.o2.co.uk
Setting APN of /isimodem0/context1 to mobile.o2.co.uk
connel@connel-laptop:~/ofono/test$ ./list-contexts
[ /isimodem0 ]
    [ /isimodem0/context1 ]
        Username = 
        Protocol = ip
        Name = Internet
        Settings = { }
        Active = 0
        AccessPointName = mobile.o2.co.uk
        Password = 
        Type = internet

connel@connel-laptop:~/ofono/test$ ./activate-context
connel@connel-laptop:~/ofono/test$ ./list-contexts
[ /isimodem0 ]
    [ /isimodem0/context1 ]
        Username = 
        Protocol = ip
        Name = Internet
        Settings = { Interface=gprs0 Netmask=255.255.255.255 Method=static DomainNameServers=82.132.254.2,82.132.254.3, Address=10.115.4.111 }
        Active = 1
        AccessPointName = mobile.o2.co.uk
        Password = 
        Type = internet

connel@connel-laptop:~/ofono/test$ ifconfig
gprs0     Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          UP POINTOPOINT RUNNING NOARP  MTU:1400  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:10 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:18488 errors:0 dropped:0 overruns:0 frame:0
          TX packets:18488 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:2498280 (2.4 MB)  TX bytes:2498280 (2.4 MB)

usbpn0    Link encap:UNSPEC  HWaddr 1B-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          UP POINTOPOINT RUNNING NOARP  MTU:65541  Metric:1
          RX packets:97 errors:0 dropped:0 overruns:0 frame:0
          TX packets:57 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3 
          RX bytes:2574 (2.5 KB)  TX bytes:785 (785.0 B)

connel@connel-laptop:~/ofono/test$ sudo /etc/init.d/connman start
 * Starting Connection Manager                                                                                                                                               [ OK ] 
connel@connel-laptop:~/ofono/test$ cmcc scan
  linksys_SES_62833          { wifi_00225f036854_6c696e6b7379735f5345535f3632383333_managed_psk }
connel@connel-laptop:~/ofono/test$