You can use iKcon Dialer with any Softswitch, It supports all the softswitches.

Features:
Complete White Label
In App registration
Rate & Balance Display
HD Voice Quality
Online Payment Gateway and Social Media Integration
Calling Card Feature Supports any kind of Calling Card
Call Transfer, Call Hold
Integration with Mobile Phonebook
Display Call History
TCP/UDP/TLS Support
Support 3G, 4G & WiFi
Mute/Unmute
Multiple Calls Management
Provider Logo and About Us Integration
Advanced call*statistics
G729, GSM, iLBC, Speex, G711, G722, AMR Codec Support

For Free Demo Click on Below Link:
http://ikconinfotech.com/demo

Website:
http://www.ikconinfotech.com/mobile-dialers/

Skype:
iKcon.Sales
iKcon_Support

Emails:
Sales@ikconinfotech.com
Service@ikconinfotech.com