Yes, Twilio does support international voice calls to many different countries.
International Calling Permissions
Before you are able to place international calls, you must first enable calling to the destination country via the Console Geo Permissions page.
For more information, please see our article International Voice Dialing Geographic Permissions (Geo Permissions) and How They Work.
How to Place International Calls
International calls are placed just like a normal call, with a REST API request. For help placing calls, please see our guide How to Make Outbound Phone Calls.
Be sure to use valid E.164 formatting for the destination phone number. For more information, please see Formatting International Phone Numbers.
International Call Pricing
Twilio Voice call pricing information can be found here: Twilio Voice Pricing