HollaVoip Dialer app for iPhone and iPad

HollaVoip Mobile dialer for iPhone ,iPod Touch and iPad.
Using this dialer users can make VOIP calls through Wi-Fi and 3GEDGE 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/signup
Main features:
* 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
* Loudspeaker
* Last calls log
* audio with the following codecs: speex (narrow band and wideband), G711 (ulaw,alaw),G729, GSM, AMR(narrow band and wideband), G722
*Acoustic Echo Cancellation
*Packet concealing
*Packet Lost Concealment (PLC)
*Comfort Noise Generator (CNG)
*Resampling
* 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 4.1 and above)


Note: Some mobile operators may restrict the use of VoIP & Sip..
Please make sure they allow sip calls on their network..