Jokipakka secured a one-year deal with KHL Sochi on Monday, Igor Eronko of Sport-Express reports.
Jokipakka was released from his PTO with the Capitals on Tuesday.
Jokipakka signed a professional tryout agreement with the Capitals on Tuesday.
Jokipakka will not receive a qualifying offer from Ottawa, Bruce Garrioch of Postmedia reports.
Jokipakka was scoreless with a minus-1 rating in 11:52 of ice time Thursday against the Wild in his team debut.
The Flames sent Jokipakka and a second-round pick to the Senators in exchange for center Curtis Lazar and defenseman Mike Kostka on Wednesday, Bruce Garrioch of the Ottawa Sun reports.
After clearing waivers, Jokipakka is eligible to be assigned to AHL Stockton, Sportsnet 960's Pat Steinberg reports.
Jokipakka was waived by the Flames on Tuesday, Elliotte Friedman of Hockey Night in Canada reports.
Jokipakka has recorded a lone assist in his last 20 games, giving him six points on the season.
Jokipakka hasn't recorded a point in 11 games and has just five in 27 contests this season.