.Making and receiving SIP calls.Built-in tunnel for passing thru voip blockades.Connectivity through WIFI.Integrated contacts from the phone.Loudspeaker.Favorites.Balance information.Destination, rate.Time, call status logs.Last calls log.Redial.Support for codecs g729.Compatible with IPod and IPhone 2G/3GPlease, check your cellular operator's terms of agreement to make sure they allow sip calls on their network before using ICU CALL
File Size2.29 MB
Operating System iOS
System RequirementsCompatible with iPhone, iPod touch, and iPad., Requires iPhone OS 2.2.1 or later., iTunes account required