No.     Time        Source                Destination           Protocol Info
   4709 832.671328  10.18.17.218          10.18.17.253          RTP      Payload type=ITU-T G.711 PCMU, SSRC=1365426851, Seq=9886, Time=769910672, Mark

Frame 4709 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: SnomTech_23:18:7e (00:04:13:23:18:7e), Dst: 00:19:d1:0a:ae:90 (00:19:d1:0a:ae:90)
Internet Protocol, Src: 10.18.17.218 (10.18.17.218), Dst: 10.18.17.253 (10.18.17.253)
User Datagram Protocol, Src Port: 55430 (55430), Dst Port: 19516 (19516)
Real-Time Transport Protocol
    [Stream setup by SDP (frame 4681)]
    10.. .... = Version: RFC 1889 Version (2)
    ..0. .... = Padding: False
    ...0 .... = Extension: False
    .... 0000 = Contributing source identifiers count: 0
    1... .... = Marker: True
    Payload type: ITU-T G.711 PCMU (0)
    Sequence number: 9886
    Timestamp: 769910672
    Synchronization Source identifier: 1365426851
    Payload: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...