Yes, you can use Google Voice to make international calls. However, you'll need to have a Google Voice account with a U.S. phone number to use the service. Here's how to make international calls with Google Voice:

• Sign in to your Google Voice account.
• Click the "Call" button in the left-hand sidebar.
• Dial the international number you want to call, including the country code.
• Click the "Call" button to initiate the call.
• You can also use the Google Voice app on your smartphone to make international calls. Simply open the app, dial the number you want to call, and click the "Call" button.

Keep in mind that international calling rates vary depending on the country you're calling. You can view the current rates on the Google Voice website. Additionally, you may need to enable international calling on your Google Voice account before you can make international calls. To do this, go to the Google Voice settings and click the "Billing" tab, then follow the prompts to enable international calling.