Asterisk - IP telephony commuincation product suitable for call center
Asterisk, converts an ordinary computer into a feature-rich voice communications server. Asterisk makes it simple to create and deploy a wide range of telephony applications and services, including IP PBXs, VoIP gateways, call center ACDs and IVR systems. It is maintained by Debian VoIP Team.
Asterisk supports a wide range of protocols for the handling and transmission of voice over traditional telephony interfaces including H.323, Session Initiation Protocol, Media Gateway Control Protocol, and Skinny Client Control Protocol. Asterisk merges voice and data traffic seamlessly across disparate networks.
It has drivers for VoIP protocols and PSTN interface cards and devices. It routes both inbound and outbound calls. Call details and duration are logged for billing. Calls could be recorded and monitored. It recognizes speech and converts to text. LDAP integration is provided for corporate security. It stores all information in a relational database.
Asterisk has support of IVR, Conference bridge, Automated attendant, Call Queuing, Call Recording, Call Retrieval, Caller ID Blocking, SMS Messaging, VoIP Gateways and lot more.
Hardware requirement: Asterisk requires no additional hardware. It turns an ordinary computer into a communications server. It runs on GNU/Linux, OpenBSD, FreeBSD, and Mac OS X.
API Support: External call management is possible in any programming or scripting language through Asterisk Gateway Interface.