Flowcoder supports SIP/SDP and the following RTP codecs: G.711 u/aLow, G.723.1, GSM 06.10, GSM 06.20, GSM 06.60, LPC-10, G.729a, AMR, AMR-WB. It also supports the associated interfaces such as S1, S5, Sh, Cx, Rx, Gx, etc.
Every VoLTE network interface can be simulated packet-by-packet with both standard and non-standard behavior supported. Media streaming is supported.
Flowcoder can simulate an SS7 firewall. Any firewall messages filtering logic could be implemented.
All standard voice codecs are supported.