Telia Eesti is a telecommunications company in Estonia that introduced Advanced Mobile Location (AML) and Thunderbird functionality to help locate callers during emergencies. The company worked with the Estonian Emergency Response Centre and other mobile operators starting in 2015. AML was rolled out for Sony devices in 2016 and Thunderbird will be available for Android phones in the summer of 2016. Telia Eesti ensured SMS messages to emergency services were transmitted correctly and were free for customers as required by law.