we need a FREESWITCH installation with freepbx, working conferences and voice mail, also need a way to block users from dialing eachother, we need to be able to decide who will call who.
Also need the ZRTP protocol working with freeswitch, as MiTM and the regular way.
just need 3 extensions configured, of course we will add more later, using freepbx gui.
11 freelance font une offre moyenne de $235 pour ce travail
Already worked a lot on Asterisks, Sipxecs,freeswitch have various customized versions for delivered to many offline clients. Such as Fully Customized UCS, PBX, Voicemail, Conferencing etc... Please check your private Plus
Hello There, I am experienced voip developer.I've expr on installation , config such as freeswitch and asterisk PBX