AeroV iPhone Edition is an open standard, SIP-based softphone for the iPhone and iPod touch, brought to you by Satcom Direct the market leader for aeronautical satcom service.AeroV iPhone Edition enables you to securely connect and communicate easily and efficiently whether for business or personal use. AeroV iPhone Edition provides you with superior security settings over other iPhone VoIP products. Even more, AeroV iPhone Edition provides an intuitive interface for multi-call management including the ability to swap, merge or split calls as well as supporting attended and unattended transfers.Standard Phone Features iOS 4.0+ Background Support Pre-configured VoIP providers list for most manufactures Speakerphone, Mute and Hold Call history list of received, missed and dialed calls Contact List and Contact Favorites - leveraging the iPhone Contacts Ringtones and contact avatars Multiple Call Support - swap between two active calls; merge and split calls; transfer calls Call Recording Call Forwarding Dial Plan Support G.729 codec included in app Support for DTMF: the ability to enter numbers to use an auto attendant via RFC 2833, SIP INFO and Inband VPN Support Advanced Features Network Traversal - Application Managed, Server Managed or User Specified; Global IP Support; STUN & ICE Media Efficiency and Quality - Noise Reduction and VAD (Voice Activation Detection) QoS (Quality of Service) - ToS Marking and DSCP (Differentiated Services Code Point) Security and Encryption via TLS and SRTP DNS SRV record lookups Call quality statistics AccessoriesThe following accessories are supported: Headset with microphone (including Bluetooth): AeroV uses the ear-piece and microphone on the headset.(Bluetooth not supported on the iPad.) Headphones (no microphone): AeroV uses the ear-piece on the headphone and the built-in microphone on the iPhone.