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Hi,

I'm doing a test in a WLAN with 5 computers connected to the AP, but only both of them are doing a VoIP call between them.

The computer A has the follow characteristics: Windows 7 home premium, Processador:2,13GhZ, Ram:4G, Wireless speed : between 65 and 130 Mbps.

Computer B: Windows XP Professional, Service Pack 3, Processor: 1'5'GHz, Ram :1,99G, Wireless speed: 54Mbps

The problem is that when I have finished to capture the RTP comunication between them (15 minutes of call) always are more packet loss in the communication A-->B than for B-->A, on the other hand the jitter is always higher in A-->B than in B-->A.

Somebody knows why? I supose that it has to be something related with the CPU and/or the speed wireless, but I don't understand how.

asked 06 Dec '12, 17:24

Vickynp123's gravatar image

Vickynp123
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accept rate: 0%

edited 06 Dec '12, 19:40


always are more packet loss in the communication A-->B than for B-->A,

packet loss can have several reasons and the Wifi connection is a good candidate.

on the other hand the jitter is always higher in A-->B than in B-->A.

The jitter calculation results are only comparable if you captured at both sides of the connection. If you've done it only on one side (client), the jitter calculation might show "wrong" values. See my answer to your similar question:

http://ask.wireshark.org/questions/15445/different-results-for-the-same-communication-rtp

Regards
Kurt

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answered 11 Dec '12, 07:15

Kurt%20Knochner's gravatar image

Kurt Knochner ♦
24.8k1039237
accept rate: 15%

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question asked: 06 Dec '12, 17:24

question was seen: 2,427 times

last updated: 11 Dec '12, 07:15

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