open source SIP User-Agent library
Sofia-SIP is an open-source SIP User-Agent library, compliant with the
IETF RFC3261 specification (see the feature table). It can be used as a
building block for SIP client software for uses such as VoIP, IM, and
many other real-time and person-to-person communication services.

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>

WWW: https://sofia-sip.sourceforge.net/
