SMS Gateway needed - bulks sms for marketing purposes

I am looking for someone who can run some bulk sms marketing campaign that will be dedicated to sending around 500 sms to european based numbers with specified info like: - specific sender ID; - text message that will consist of given URL address; I need someone that potentially have it's own sms gateway, I don't need for someone to buy/rent already existing gateways or use someone's else's services. All I need is to run this campaign within few days, I need this to be handled by someone who knows how to run those things. I don't need services from people who do not know what bulk marketing is or will try to use services like messente/dialup or something like that. I will need a proof that your messages will reach all major tel. service providers like: Orange, T-Mobile, Plus or Play. Area code +48