A domain based multi-tenant PBX & voice switch for FreeSWITCH
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open source Fax server software for inbound / outbound internet Faxing
Web based system for Computer Assisted Telephone Interviewing (CATI)
The most affordable CRM system according to Capterra
Unified Communications Server
The Agispeedy is an AGI Application Server implemention in asterisk