Dear members, You can configure ENUM into your iPhone with these below-mentioned 2 softwares: Free software ( need larger bandwidth of Wifi , HSPDA, 3G , minimum 64 kbps) http://itunes.apple.com/br/app/adore-sip-client/id363350262?mt=8 Paid software because using license voice codec g729 ( only 7 kbps required ) http://itunes.apple.com/us/app/vippie-voice-softphone-voip/id377691060?mt=8 After you have installed the software, you need to set [...]