Frame 5: Packet, 357 bytes on wire (2856 bits), 357 bytes captured (2856 bits) on interface unknown, id 0 Section number: 1 Interface id: 0 (unknown) Interface name: unknown Encapsulation type: Ethernet (1) Arrival Time: Nov 27, 2016 14:07:48.840068000 UTC UTC Arrival Time: Nov 27, 2016 14:07:48.840068000 UTC Epoch Arrival Time: 1480255668.840068000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 87.000 microseconds] [Time since reference or first frame: 5.641000 milliseconds] Frame Number: 5 Frame Length: 357 bytes (2856 bits) Capture Length: 357 bytes (2856 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] Character encoding: ASCII (0) Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00 (00:00:00:00:00:00) Destination: 00:00:00_00:00:00 (00:00:00:00:00:00) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: 00:00:00_00:00:00 (00:00:00:00:00:00) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 10.0.2.20, Dst: 10.0.2.15 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 343 Identification: 0x1b5d (7005) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 64 Protocol: UDP (17) Header Checksum: 0x0617 [validation disabled] [Header checksum status: Unverified] Source Address: 10.0.2.20 Destination Address: 10.0.2.15 [Stream index: 0] User Datagram Protocol, Src Port: 5060, Dst Port: 5060 Source Port: 5060 Destination Port: 5060 Length: 323 Checksum: 0x1977 [unverified] [Checksum Status: Unverified] [Stream index: 0] [Stream Packet Number: 4] [Timestamps] [Time since first frame: 5.641000 milliseconds] [Time since previous frame: 87.000 microseconds] UDP payload (315 bytes) Session Initiation Protocol (ACK) Request-Line: ACK sip:test@10.0.2.15:5060 SIP/2.0 Method: ACK Request-URI: sip:test@10.0.2.15:5060 Request-URI User Part: test Request-URI Host Part: 10.0.2.15 Request-URI Host Port: 5060 [Resent Packet: False] [Request Frame: 1] [Response Time (ms): 5] Message Header Via: SIP/2.0/UDP 10.0.2.20:5060;branch=z9hG4bK-4237-1-5 Transport: UDP Sent-by Address: 10.0.2.20 Sent-by port: 5060 Branch: z9hG4bK-4237-1-5 From: "opus/48000/2" ;tag=1 SIP from display info: "opus/48000/2" SIP from address: sip:sipp@10.0.2.20:5060 SIP from address User Part: sipp SIP from address Host Part: 10.0.2.20 SIP from address Host Port: 5060 SIP from tag: 1 To: test ;tag=gm5D9rB47ggme SIP to display info: test SIP to address: sip:test@10.0.2.15:5060 SIP to address User Part: test SIP to address Host Part: 10.0.2.15 SIP to address Host Port: 5060 SIP to tag: gm5D9rB47ggme Call-ID: 1-4237@10.0.2.20 [Generated Call-ID: 1-4237@10.0.2.20] CSeq: 1 ACK Sequence Number: 1 Method: ACK Contact: sip:sipp@10.0.2.20:5060 Contact URI: sip:sipp@10.0.2.20:5060 Contact URI User Part: sipp Contact URI Host Part: 10.0.2.20 Contact URI Host Port: 5060 Max-Forwards: 70 Content-Length: 0