No. Time        Source                Destination           Protocol Info
      1 0.000000    192.168.1.7           192.168.1.100         SIP/SDP  Request: INVITE sip:2001@example.org:5060, with session description
      2 0.002498    192.168.1.100         192.168.1.7           SIP      Status: 100 Trying
      3 0.006210    192.168.1.100         192.168.1.8           SIP/SDP  Request: INVITE sip:0001E10729AE@192.168.1.8, with session description
      4 0.007176    192.168.1.100         192.168.1.7           SIP      Status: 180 Ringing
      5 0.067295    192.168.1.8           192.168.1.100         SIP      Status: 488 Not Acceptable Here
      6 0.068175    192.168.1.100         192.168.1.8           SIP      Request: ACK sip:0001E10729AE@192.168.1.8
      7 0.070765    192.168.1.100         192.168.1.7           SIP/SDP  Status: 200 OK, with session description
      8 0.074135    192.168.1.100         192.168.1.7           RTP      Payload type=GSM 06.10, SSRC=93586819, Seq=23105, Time=160
      9 0.102956    192.168.1.100         192.168.1.7           RTP      Payload type=GSM 06.10, SSRC=93586819, Seq=23106, Time=320
     10 0.122944    192.168.1.100         192.168.1.7           RTP      Payload type=GSM 06.10, SSRC=93586819, Seq=23107, Time=480