On Sat, Oct 23, 2010 at 12:31 PM, sean darcy <[email protected]> wrote:
> My internal lan is small, 100mb, all wired. aastra phones. > > sip show peers > ....... > 142/... 10.10.10.42 D A 5060 OK (136 ms) > 144/... 10.10.10.44 D A 5060 OK (138 ms) > 145/... 10.10.10.45 D A 5060 OK (133 ms) > > But pings are < 1ms: > > ping 10.10.10.42 > ........ > rtt min/avg/max/mdev = 0.479/0.483/0.497/0.021 ms > > Why are the sip latencies so high? And is it a problem? And if so, how > do I fix it? > > FWIW, latencies to outside providers over nat are close to ping: > > jnctn/.... 5060 OK (7 ms) > teliax/... N 5060 OK (7 ms) > > ping <teliax ip address> > ........ > rtt min/avg/max/mdev = 3.471/4.120/4.466/0.288 ms > > > sean > > As long as your qualify is set high enough that the phone doesn't become "Unavailable" then your only real worry is if RTP is also experiencing lag, which I highly doubt since your ping times are almost nothing. It is bothersome as an admin, but just realize that it is what it is. Trust the ping times for network latency and show peers for a quick connectivity/registration check. Thanks, Steve T
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