SellAring is a revolutionary mobile advertising network, delivering innovative ad solutions for smartphones. Using patent pending technology, the network delivers 10-second audio ads that play during the Ring Back Tone the waiting time while the mobile provider connects a phone call. SellAring's suite of mobile advertising solutions includes also the Post-Call CTA Menu, a powerful performance based user panel that displays after a phone call is completed. For app developers relying on ad revenues, the sellAring SDK, when embedded in their free app, provides a powerful monetization vehicle. Smartphone users enjoy the interaction with apps for free and without the interference of banner ads. For advertisers, SellAring means untapped real estate, enabling them to reach targeted, receptive audiences through engaging ads.