ASTPP mobile dialer is one the most trending product that allows VoIP service provider to offer all the advanced VoIP calling features to their customers for making long distance VoIP calls from mobile phones. It is compatible with all standard SIP Softswitch.

ASTPP mobile dialer provide below key features
Call mangagement , Contact Management , Security , payment management

The ASTPP mobile SIP dialer application is built with highly engaging and simplified user interface. It also supports calling cards. By using mobile SIP dialer app of ASTPP, you can take benefit of product module integration of ASTPP to run a seamless business.
Compatible with all Softswitch and IP PBXs
Supports G729, G711, G722, Speex, AMR, iLBC, GSM, and other codecs
Supports 3G/4G, 5G, GPRS, EDGE and Wi-Fi for internet connectivity
Runs behind NAT or private IP
Session Initiation Protocol (SIP)