VICIdial Contact Center Suite
Web based system for Computer Assisted Telephone Interviewing (CATI)
Convert VoIP calls to text and analyze them with AI
The most affordable CRM system according to Capterra
Unified Communications Server
Accent interfaces and controls systems through goals and policies
Linux GUI USSD Sender
GNU Telephony Services and Applications
SMS software
GSM L1-L3 stack with SIP network interfaces