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Appendices
Sample VoIP Call Logs
B
B-5
Typical Cisco Skinny (SCCP) Call Log (continued)
RTP streaming… // the conversation has started
129.196.197.023:30142 // phone 1 IP address and port number
VLAN:untag TOS:0xb8 // phone 1 VLAN and TOS being used
129.196.197.016:20828 // phone 2 IP address and port number
VLAN:untag TOS:0xb8 // phone 2 VLAN and TOS being used
Call Duration:9.51s // the length of the call
ON HOOK // the phone is hung up
>RTP cnt:475frms // phone 1 stats—the number of RTP frames
Jitter:994us // the inter-frame arrival jitter
Arrival Avg:19ms // the average arrival of the frames
Min:19ms Max:20ms // the minimum and maximum inter-arrival time
Drop:3fr // the number of dropped frames
DropBurst:61ms // the longest dropout