Communications service Skype in Luxembourg said in press release Sunday it entered into an agreement to acquire New York’s GroupMe. Terms of the deal were not disclosed by the companies but a post at AllThingsD pegs the price at about $85 million. One-year-old GroupMe‘s app lets users send messages and start conference calls with groups formed from their smartphone contacts. GroupMe’s investors include Betaworks, First Round Capital, Founder Collective, General Catalyst Partners, Khosla Ventures, Lerer Ventures, and SV Angel. According to Venture Deal, GroupMe raised $10.6 million in January and $850,000 last August. Skype is in the midst of being acquired for $8.5 billion by Microsoft according to a press statement issued in May.