Speak & Rescue was released in May 1980.
This game is known under Taito license as "Stratovox
This game was the first game to have synthesized voices and is the very first release from Sun Electronics. Sun Electronics was a player in the early 80's arcade market. They only made a few game before changing their name to Sun Corporation. Then in 1988 they once again underwent a change of name to Sunsoft.
A bootleg of this game is known as "Space Echo