Give it a try! Just call +1 (215) 995 50 25 and leave a message. If its the first time you call, you will received a SMS with a link to hook your phone up to a SoundCloud account. Once thats done you can call at anytime and from anywhere to record something for the interwebz. Its also possible to create your own voiceboxes with its own phone number, welcome message and everthing! Its OSSOM!