From owner-freebsd-questions@FreeBSD.ORG Wed Jan 14 13:36:23 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 674A616A4E5 for ; Wed, 14 Jan 2004 13:36:23 -0800 (PST) Received: from mail.transaeris.com (mail.fastfreedom.net [67.98.11.129]) by mx1.FreeBSD.org (Postfix) with SMTP id 882F243D64 for ; Wed, 14 Jan 2004 13:36:20 -0800 (PST) (envelope-from ryan@say-10.net) Received: (qmail 1948 invoked from network); 14 Jan 2004 21:36:17 -0000 Received: from unknown (HELO say-10.net) (67.99.194.4) by 0 with SMTP; 14 Jan 2004 21:36:17 -0000 Message-ID: <4005B641.8070605@say-10.net> Date: Wed, 14 Jan 2004 15:36:01 -0600 From: Ryan Moe User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5b) Gecko/20030901 Thunderbird/0.2 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: T1 / Dial-Up Software[Kind of long] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Jan 2004 21:36:23 -0000 This doesn't necessarily pertain to FreeBSD(although it will depending on what kind of answers I receive) but it's interesting nonetheless. I work for an ISP and one of the services we offer is dial-up internet. Our 3COM hardware( the CSU/DSUs and the DSP cards) is on its last legs and requires frequent reboots. I've noticed that you can purcahse T1 cards that support up to 4 T1 lines and contain the CSU/DSUs on them for a few hundred dollars. The problem is that you then have to get DSPs for them and that raises the cost to around $5000. For $5000 we can get more shitty 3COM hardware than we'd know what to do with, so thats not a good solution. I was thinking, why can't the DSPs be emulated? Does anybody know of any software that will emulate some number of DSPs(92 would be the max for 4 T1 lines) and interface them with a CSU/DSU? If no software exists what brand of hardware do you recommend for this type of application. There seems to be only about 6 companies that make this stuff and none of them seem that great. I appreciate any feedback I recieve. Thanks, Ryan