I have heard good things about the D-Link DES-1226G switch ($150 at
newegg). If you can run a separate cable to the computer and phone. If
you can't run the extra cables, then configure your phone to tag itself
as part of the voip vlan and let the switch tag everything else as the
computer vlan.
I happen to have asterisk running as a router, so I use it doing QoS
with tc (traffic control) and wondershaper set to prioritize based on
port ranges. I sent a patch to the debian bug tracking system a while
back with a few improvements -- I should check on that. It basically
prioritizes smaller packets before larger packets with ~8 levels of
priority and groups of sizes for the packets. Just doing that
automatically handles 80% of the need for prioritization without
specifying port ranges for the sip rtp packets.
Mike
Daniel Salama wrote:
They are extremely casual web surfers. Just have their Outlook client
opened checking email every minute. Email traffic is very low.
They are all connected to the same switch. It's a Netopia DSL
router/modem/switch for the BellSouth DSL service. The computers are
connected to the PC port behind the GXP-2000.
Any suggestions?
Thanks,
Daniel
On Jun 7, 2006, at 8:49 PM, list mail wrote:
What do they do on the internet? Heavy surfing, large transfers,
myspace.
How are these units connected to the network? Are they passing
through the same switch?
I don't think it is the phones...
On Jun 7, 2006, at 12:32 PM, Daniel Salama wrote:
Mike,
I added a qualify=500 on those phones. My client has peers 100218
thru 100222 (a total of 5 phones). Below is the messages log since I
activated it this morning at 8:30AM:
Jun 7 10:59:21 NOTICE[3648] chan_sip.c: Peer '100219' is now TOO
LAGGED! (1075ms / 500ms)
Jun 7 10:59:31 NOTICE[3648] chan_sip.c: Peer '100219' is now
REACHABLE! (66ms / 500ms)
Jun 7 11:02:32 NOTICE[3648] chan_sip.c: Peer '100219' is now TOO
LAGGED! (1075ms / 500ms)
Jun 7 11:02:42 NOTICE[3648] chan_sip.c: Peer '100219' is now
REACHABLE! (68ms / 500ms)
Jun 7 11:35:15 NOTICE[3648] chan_sip.c: Peer '100222' is now TOO
LAGGED! (1114ms / 500ms)
Jun 7 11:35:25 NOTICE[3648] chan_sip.c: Peer '100222' is now
REACHABLE! (90ms / 500ms)
Jun 7 11:48:20 NOTICE[3648] chan_sip.c: Peer '100219' is now TOO
LAGGED! (1077ms / 500ms)
Jun 7 11:48:30 NOTICE[3648] chan_sip.c: Peer '100219' is now
REACHABLE! (72ms / 500ms)
Jun 7 12:24:51 NOTICE[3648] chan_sip.c: Peer '100221' is now TOO
LAGGED! (1077ms / 500ms)
Jun 7 12:25:01 NOTICE[3648] chan_sip.c: Peer '100221' is now
REACHABLE! (73ms / 500ms)
As you can see, it only happens to a couple of their phones and at
random times. They're behind a DSL circuit. I don't know if it's
because their DSL line is going up/down. They don't necessarily
claim their Internet goes down, however, they are not constantly
check it.
What would you (or anyone else) suggest?
Thanks,
Daniel
On Jun 7, 2006, at 8:07 AM, Mike Fedyk wrote:
Do you have multiple phones going down at the same time? If so,
monitor them with "qualify=500" in sip.conf to see if they hit that
limit. If you see more than one go down within a short period of
time, you have network problems. Check the quality of the network
switches they have.
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