From Next Solution:
NX is a softphone with a Computer Telephony Integration - CTI tool for Asterisk and third party application. API is based on .INI files, through which one can integrate IP telephony to any CRM / ERP software.
* SIP Proxy authentication.
* Dial/Receive phone calls directly from your contact center application.
* Line Hold.
* Acoustic echo cancellation or suppression.
* Noise cancellation or suppression.
* AGC (Auto Gain Controller).
* Friendly to NAT and other firewalls.
* Keep-alive packets to NAT/firewall.
* Packet Loss Concealment.
* DTMF tones generation.
* Mic & Speaker Volume.
* Works with all kind of Internet connections - at least 30 kB/s.
Customize NX to your needs.
Have your own softphone, fully featured, and made especially for your enterprise with partial or complete customization.