Denys PozniakKamailio workaround for FreeSWITCH un-hold (RFC 6337) problemIn my opinion, FreeSWITCH does not properly handle hold call release in the context of an RTP media stream (RFC6337), to work around this…1 min read·Aug 28, 2023----
Denys PozniakOpenSIPS anycast SIP balancerIn this article, I will try to outline the main points of building an incoming anycast SIP traffic balancer based on OpenSIPS. There will…2 min read·Jun 19, 2023----
Denys PozniakVoIP SBC SEMS configuration exampleThe SEMS (SIP Express Media Server) is a powerful open-source VoIP SBC that can be widely used for interconnection with VoIP ISP.2 min read·Jan 25, 2021--2--2
Denys PozniakKamailio registration replication with DMQTo replicate SIP REGISTER messages can be used dmq_t_replicate() function.1 min read·May 27, 2019----
Denys PozniakFailure SIP call rerouting with KamailioThis example shows how to build a simple call rerouting solution based on Kamailio in case of failure detection.1 min read·Apr 5, 2019----
Denys PozniakApple Push Notification with KamailioThis brief tutorial shows how to “freeze” SIP transaction to the moment the subscriber wakes up. The logic is simple here:2 min read·Dec 28, 2018--2--2
Denys PozniakGetting RTP stream statistics from RTPengineThis tutorial helps you to understand how to collect RTP MOS parameters from RTPengine. As SIP Proxy server we will use Kamailio.1 min read·Nov 24, 2018----
Denys PozniakVoice transcoding with Kamailio and RTPengineThis example shows how to transcode G.729 to G.711 using Kamailio SIP proxy and RTPenging as media proxy.2 min read·Oct 31, 2018----