PRECA Dialer

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.

Features
Codecs supported: G729, G722, G711,GSM
Call timer
Recent Call
Phone Book (Synchronize with Phone Address Book)
Add contact from App
Local signaling (Dial tone, busy, ring back, etc.)
Redial
Speaker
Mute
Touch Tone
Silence Suppression
Echo Cancellation
Registration Timeout
Proxy Setting
STUN Server

System Requirements:

Supported : iOS 7.0 or later.This Application is optimized for iPhone 5 and iPhone 6s .
Internet Connectivity: Wi-Fi,3G.