The caller must then dial the number at which he or she can be reached.

A caller from outside Azerbaijan would dial the international access number, usually 00.

Callers would dial 411 or 555-1212 to reach a local operator.

Callers using the public phone must dial the attendant, who can complete the call for them.

Callers within Britain will be dialing 071 or 081 instead of 01.

What if you want to allow callers to dial toll-free?

The service, costing about $5 a month, allows callers to dial a number by speaking into the phone.

But if that number does not answer, a caller might then dial the "700" number.

Outside London but still within Britain, callers will dial 071 or 081 instead of the current 01.

The international format shows only those digits that overseas callers must dial.