You do not need any additional digits (e.g. 00 or 011) in front of the number to place a call in Yolla.
The valid international dialing format that you need to use in Yolla begins with the destination country code.
For example, if you want to reach the UK, you need to dial the UK country code +44 followed by the rest of the number.
This article describes the correct dialing format for making calls with Yolla.
Written by Damon
Updated over a week ago