| Top |  |  |  |  | 
| guint | seqnum | Read | 
| gint | seqnum-offset | Read / Write | 
| guint | ssrc | Read / Write | 
| gint | timestamp-offset | Read / Write | 
    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstRTPMux
                    ╰── GstRTPDTMFMux
The rtp muxer takes multiple RTP streams having the same clock-rate and muxes into a single stream with a single SSRC.
| 1 2 3 4 5 6 | gst-launch-1.0 rtpmux name=mux ! udpsink host=127.0.0.1 port=8888 \ alsasrc ! alawenc ! rtppcmapay ! \ application/x-rtp, payload=8, rate=8000 ! mux.sink_0 \ audiotestsrc is-live=1 ! \ mulawenc ! rtppcmupay ! \ application/x-rtp, payload=0, rate=8000 ! mux.sink_1 | 
“seqnum” property  “seqnum”                   guint
The RTP sequence number of the last processed packet.
Flags: Read
Default value: 0
“seqnum-offset” property  “seqnum-offset”            gint
Offset to add to all outgoing seqnum (-1 = random).
Flags: Read / Write
Allowed values: >= -1
Default value: -1
“ssrc” property  “ssrc”                     guint
The SSRC of the packets (default == random).
Flags: Read / Write
Default value: 4294967295