[160546] in North American Network Operators' Group
Re: Any experience with Grandstream VoIP equipment ?
daemon@ATHENA.MIT.EDU (Jay Ashworth)
Fri Feb 8 08:39:06 2013
In-Reply-To: <20130208043945.3101.qmail@joyce.lan>
From: Jay Ashworth <jra@baylink.com>
Date: Fri, 08 Feb 2013 08:38:46 -0500
To: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
You should try the voiceops list. Or maybe #natog
John Levine <johnl@iecc.com> wrote:
>I'm in the midst of what would be a comedy of errors if it weren't so
>annoying. I bought a new Grandstream HT701 VoIP terminal adapter from
>a guy on eBay who is apparently an official Grandstream reseller. It
>doesn't work. The guy I bought it from (whose support ends at "nobody
>else has that problem") pointed fingers at Grandstream, whose support
>has been, well, impressive and not in a good way.
>
>I've done packet traces on the LAN with the box, I know what the
>problem is: there's something wrong with the box so it doesn't respond
>to the Proxy-Authenticate: challenge from my SIP provider. I know the
>challenge is OK, I have an old VoIP phone of theirs which works fine,
>on the same LAN with the same provider and the same configuration.
>
>Unfortunately, Grandstream's support staff is apparently unfamilar
>with packet traces and networks, and after a variety of obviously
>wrong diagoses (no, it's not a NAT problem, you can see the responses
>coming back from the remote system, etc.) seems unable to understand
>that a packet trace is, you know, a trace of the actual packets that
>have passed by the device's NIC. There's more, but you get the idea.
>
>Does anyone else here use their equipment? Is there any way to find
>support for this stuff who can actually provide support?
>
>R's,
>John
--
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