> Hello.
>
> I am in Australia.
>
> I bought a O2 Sim card off ebay a week ago. It was sealed in a O2
> Envelope which said "Welcome. Up to 1000 Free UK texts are waiting for
> you every month".
>
> I understand this SIM card has No credit (money) on it. So I don't
> expect to use it to dial others, or to SMS others. I just want to
> recieve calls.

While in Australia with a UK O2 Sim card you will be on roaming rates and
incoming calls will not be free so need credit on the phone.
>
> I have put the SIM card in an unlocked mobile phone, turned the phone
> on, and roamed to our local reciprical provider "OPTUS AUSTRALIA".
>
> All good thus far. It works properly. I can reach the Recharge line
> and Customer Service okay.
>
> Yet, I call the SIM card's 07864xxxxxx number with my mobile on.
>
> Whenever I try dialing +447864xxxxxx from another of my local
> phones here, it says in a UK accent: "It has not been possible to
> connect your call. Please try again later".
>
> In Australia, any SIM cards you buy can be called, internationally or
> locally. Even with no credit on them.

Thats because your in Australia and with local card theres no roaming rates.
>
> Do UK SIM's need money on them to be called?

No all UK sims have free incoming calls but only while in the UK While in
Australia with a UK O2 Sim card you will be on roaming rates and incoming
calls will not be free so need credit on the phone.

>
> Noodle.
>

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