Holla4Apple Mobile dialer for iPhone ,iPod Touch and iPad.
Using this dialer users can make cheap VOIP calls through Wi-Fi and 3G\EDGE using high quality codecs.
if you subscribe for a virtual PSTN , you can receive calls from normalPSTN/GSM networks
You should signup using www.hollatech.co.uk
* Making and receiving VoIP calls
* Making and receiving calls to and from PSTN/GSM networks
* Connectivity through WIFI and 3G/EDGE
* Integrated contacts from the phone
* Last calls log
* audio with the following codecs: speex (narrow band and wideband), G711 (ulaw,alaw),ILBC, GSM, SILK, G722
* video with the following codecs: VP8, H264, mpeg4
* multiple calls
* audio conferencing
* Call history
* DTMF (telephone tones) support using SIP INFO
* Compatible with IPod Touch 2nd generation and above, IPhone 2G/3G/3GS/4G/5G and iPad (OS 4.3 and above)