Publisher's description
GNU SIP SIP Witch is a pure server-based telephone call office that supports generic functions of the phone system as call forwarding, hunt groups and call distribution The call coverage and ring groups, call transfer and telephone extensions of detention, as well as offering SIP specific supports secure to make calls over the Internet, and intercept / decrypt-free peer-to-peer audio and video extensions. This is not a SIP proxy, a server multi-protocol telephone, or IP-PBX, and does not try to emulate Asterisk, FreeSWITCH, or