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391
2006 May 02
0
Are VoIP clients supposed to set TOS to minimum delay?
...set as
minimum delay traffic!
This is a tcpdump from My-IP to Other-IP:
13:07:14.704501 IP (tos 0x0, ttl 64, id 813, offset
0, flags [DF], proto: UDP (17), length: 120)
My-IP.32784 > Other-IP.10384: UDP, length 92
0x0000: 4500 0078 032d 4000 4011 0fce db4a
37e4
0x0010: d5ba 3e91 8010 2890 0064 50f7 8008
032e
0x0020: ff63 f69f 0a00 0000 d4d4 d4d4 d4d4
d4d4
0x0030: d4d5 d5d5
Here TOS is 0x0, that is, normal traffic! Are VoIP
clients supposed to set TOS to minimum delay? Is there
any reason for this? Or is this something developers
over
looked?
Many thank...