nanog mailing list archives
Re: carrier grade fax boards?
From: Faisal Imtiaz <faisal () snappytelecom net>
Date: Thu, 28 Apr 2016 11:02:03 +0000 (GMT)
When you use the terms 'SIP' and 'Fax/Board' in the same sentence, it sort of becomes an oxymoron. In the analog world, we used to use 'Carrier grade' Fax/boards made by BrookTrout which was then acquired by Dialogic. (Truefax line), and there were a couple of others.. mostly these were cards with large amount of DSP's used for fax processing multiple channels on digital links (BRI/PRI/T1's etc). Since SIP is a 'communication protocol' which works with IP, there is no need for 'Fax/Board', since all everything needed can be done via software. The only reason one may need Hardware is to convert SIP to traditional TDM (POTS line or PRI/T1/E1 etc). Most of us are used to referring to these devices as IAD's. Having said that, what are you looking to do ? Traditional TDM fax or SIP based FOIP ? :) Regards. Faisal Imtiaz Snappy Internet & Telecom ----- Original Message -----
From: "Ryan Finnesey" <ryan () finnesey com> To: "Valdis Kletnieks" <Valdis.Kletnieks () vt edu> Cc: "nanog list" <nanog () nanog org> Sent: Thursday, April 28, 2016 2:41:23 AM Subject: RE: carrier grade fax boards?
Fax hardware/boards that other members have used within service provider environments to deliver services to their end users . -----Original Message----- From: Valdis.Kletnieks () vt edu [mailto:Valdis.Kletnieks () vt edu] Sent: Thursday, April 28, 2016 2:36 AM To: Ryan Finnesey <ryan () finnesey com> Cc: nanog () nanog org Subject: Re: carrier grade fax boards? On Thu, 28 Apr 2016 04:30:23 -0000, Ryan Finnesey said:I was wondering if anyone had any recommendations on carrier grade fax boards that are SIP based?What would "carrier grade" even *mean* for a fax board?
Current thread:
- carrier grade fax boards? Ryan Finnesey (Apr 27)
- Re: carrier grade fax boards? Valdis . Kletnieks (Apr 27)
- RE: carrier grade fax boards? Ryan Finnesey (Apr 27)
- Re: carrier grade fax boards? Faisal Imtiaz (Apr 28)
- RE: carrier grade fax boards? Robert Jacobs (Apr 28)
- Re: carrier grade fax boards? Mike Hale (Apr 28)
- RE: carrier grade fax boards? Colin Bodor (Apr 28)
- RE: carrier grade fax boards? Ryan Finnesey (Apr 27)
- Re: carrier grade fax boards? Pete Mundy (Apr 28)
- Re: carrier grade fax boards? Valdis . Kletnieks (Apr 27)
- Re: carrier grade fax boards? Kraig Beahn (Apr 28)