You also are not sure when to call, and are also wondering about the quality of calls that you will eventually be getting to experience. But in the United Kingdom, all these concerns of yours are more than taken care of. Making cheap international calls from anywhere in the UK to anywhere overseas is the easiest and the most hasssle  thing in world to do.

You have umpteen options to do so as well. You have text n talk services, pay as you go mobile phone deals, global roamign SIM cards and of course, the cheap international calling cards.
The network operators active here –O2, Orange, 3 Mobile, T-Mobile, Vodafone, and Virgin Mobile are there offering these calling cards. The internatinal calling cards, are basically, connections lend to you to make those cheap international calls.

These networks sell in buld the capacity to these so called telecom entitites. Telestunt, telediscount, ratebuster, pennyphone, cleverrate, dial-around, etc are only a very few of such firms who having bougt the capacity in bulk from the network providers, sell it at a discoun to the users at large.

Since irrespective of who you are buying these calling cards from, it is the networks that are ensuring the connetion, you are not at all worried about dropped calling minutes, the call coming off at a very inoppotune moment, etc. These are globally recognized dedicated networks who have over the years made a name for themselves by the sheer quality of service that they have delivered.

You can go in for either a pre paid or a post paid international calling card option as per your preference. In either case, you will not be paying more than 1 pence per minute for most overseas destinations from the UK.