VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open source Fax server software for inbound / outbound internet Faxing
Cellular manager for mobile phones/modems
Web based system for Computer Assisted Telephone Interviewing (CATI)
Unified Communications Server
An administration web interface for Mumble VoIP servers in PHP
Webface witch extract CDR (Call Detail Records) from MySQL base.
CRM system based on vtiger, adapted to Polish companies.