The author of Sharp IMG Viewer project designed to view and convert images and video.

Sharp IMG Viewer web site enables you to upload images and video files and post them to social networks, send by E-mail or SMS/MMS.

Make phone calls online from browser using VoIP client on the Sharp IMG Viewer web site. In addition to phone numbers you can call to another Twilio client or SIP endpoint as well as accept inbound calls from other callers.

Moreover, since video and audio conversations are enabled by Twilio, you can use real-time video infrastructure to communicate online.