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Vonage When this happens, most often than not, its either your router or the ISP is having
When this happens, most often than not, its either your router or the ISP is having problems.
My office has DSL service from SBC, 6/768 service. We had some problems and it turned out to be that our Cisco PIX515 firewall was having problems. We re-routed the Voip calls through a router (made from FreeBSD and a old PC) and problems disappeared.
When you browse the web or even download files, dropped packets are seldom noticed but this can adversly affect a Voip call. To check if you ISP is dropping packets, a simple test would be (assuming you're using Windows) to go to your command prompt (click start->run and enter cmd) and use this command: ping www.yahoo.com -t
You'll start to see a list of replies coming back to you. If the timing is fairly stable (eg. between 10ms difference and not very high return time like less than 100ms), then the ISP is probaly ok. Hit Ctl-C and you'll get a summary too, see if there are any packet loss. Make sure you let the command run for some time before hitting ctl-C to allow sending many packets.
Cable is shared access and another thing you should also check is for viruses on your home PCs. Many of them can send out tons of rubbish bmobarding all network devices and could cause calls to drop. If you're technically inclined, you can also use tools like Snort to check if any of your neighbours on the same cable service is attempting to knock you offline by doing all sorts of funny thing. You can report this to your ISP if it happens.
Good luck. :o
Read The Full Thread: Frequent Call drops... no idea why....
• I've been using Vonage for about two months now... first month on a trial basis
• Wow... that's sort of a long ordeal to go through to have it turn out to be the phone.
Unfortunat
• Thanks for the responses.
Moto... I can't turn off UPNP because I need it for
• Speaking of looking for packet loss, does anyone know an IP that the ATA box talks
• OK... so I got ping plotter up and running and saving all data. Sure enough, after
• Sounds good, plyons. One question: Why are you reluctant to use port forwarding?
• Well... if it's not really needed (if UPnP is working properly) then I'd rather
• Just my 2 cents on the end of this. I had many a problesm with my Linksys BEFSR41 router.
BigBear posted "When this happens, most often than not, its either your router or the ISP is having" on 05/06/2004 |
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