PRECA Dialer is designed specifically to leverage the iPhone's unique capabilities and easy way to make a iPhone DID call by using iPhone devices. Featuring a comfortable and simple user interface iPhone lets you connect your iphone to standard landline or mobile phones.
This softphone also turns your iPhone into a DID phone, so you can make cheap or even free phone calls at anytime, and from almost anywhere.
Codecs supported: G729, G722, G711,GSM
Phone Book (Synchronize with Phone Address Book)
Add contact from App
Local signaling (Dial tone, busy, ring back, etc.)
Supported : iOS 7.0 or later.This Application is optimized for iPhone 5 and iPhone 6s .
Internet Connectivity: Wi-Fi,3G.