10 days trial version of Roampass
Roampass will automatically detect when you are in roaming and convert your outgoing call into USSD Callback request. You will receive a call from your mobile carrier. Upon answering, you will be automatically connected to the party you are calling.
Mobile carriers supported:
• Russia: MTS, Tele2, ETK (Rostelecom), Baykalwestcom (Rostelecom), SMARTS.
• Ukraine: MTS, Kyivstar, life:).
• Kazakhstan: Beeline, Tele2.
• Serbia: Telenor, mt:s.
• Montenegro: T-Mobile, m:tel.