SIP Mobile Callback allows you using your favorite SIP Account ofyour own to make phone call without using VOIP on your mobilephone. How it works? You configure the application with details ofyour SIP account and your phone number. Then you enter number thatyou want to call or pick it from your device contacts. Theapplication first call your phone and then place call to thedestination. Yes, it is that simple. You can find this optionuseful when your Internet connection cannot be used for reliablehigh quality VOIP call. SIP Mobile Callback only uses your Internetconnection to exchange small data packets with sip.uno server inorder to initiate and control the call. These application can bealso useful for users that live or travel in country where VOIP isrestricted as it allows you save money without actually runningVOIP on your device. It might be tricky to use VOIP when you arebehind strict firewall, SIP Mobile Callback will help here as wellas it only using one single TCP port 443 that is always open.Security considerations: Your account is secure as the app usessecure encrypted communication (SSL) with the server. Details ofyour account are not stored at the server and only used while youare connected. Have no SIP account or don't know what SIP is? Noworry. You can signup for SIP account athttp://www.comfytel.com/site/access/signup Some more info fordevelopers. This application as well as sip.uno site have beendeveloped using awesome Elm language. Sources are available at:https://github.com/unomemento/basic-call-control