32 Years of the Digest ... founded August 21, 1981

Previous Issue (Only one)

Add this Digest to your personal   or  

The Telecom Digest for April 26, 2014
Volume 33 : Issue 65 : "text" Format
Messages in this Issue:
Need details about Diametriq Sigtran ss7 Stack Vs Ulticom Sigtran ss7 Stack (Kumar S.K)
Re: Telco Simulator - Design Challenge? (r8mkii)

====== 32 years of TELECOM Digest -- Founded August 21, 1981 ======

Telecom and VOIP (Voice over Internet Protocol) Digest for the Internet. All contents here are copyrighted by Bill Horne and the individual writers/correspondents. Articles may be used in other journals or newsgroups, provided the writer's name and the Digest are included in the fair use quote. By using any name or email address included herein for any reason other than responding to an article herein, you agree to pay a hundred dollars to that person, or email address owner.
Addresses herein are not to be added to any mailing list, nor to be sold or given away without the explicit written consent of the owner of that address. Chain letters, viruses, porn, spam, and miscellaneous junk are definitely unwelcome.

We must fight spam for the same reason we fight crime: not because we are naive enough to believe that we will ever stamp it out, but because we do not want the kind of world that results when no one stands against crime.  - Geoffrey Welsh

See the bottom of this issue for subscription and archive details and the name of our lawyer, and other stuff of interest.

Date: Thu, 24 Apr 2014 23:10:13 -0700 (PDT) From: "Kumar S.K" <kumar.s.karpuram@gmail.com> To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org. Subject: Need details about Diametriq Sigtran ss7 Stack Vs Ulticom Sigtran ss7 Stack Message-ID: <94ef5b38-07a5-4a53-9a42-456d5166c5b0@googlegroups.com> Can Anyone assist me on below points? 1) Currently we're using Ulticom Sigtran ss7 Stack. And, now we are trying to replace with Diametriq Sigtran ss7 Stack. So, any comments on this? 2) Disadvantages of Diametriq ss7 Stack, if any? 3) Advantages of Diametriq ss7 Stack? 4) Any case studies and materials available for these info? 5) Need details about Diametriq Sigtran ss7 Stack Vs Ulticom Sigtran ss7 Stack? NOTE: We are replacing Stack because of "Cost Expensive". Ulticom is very expensive than Diametriq. So, kindly provide info reg this..!
Date: Wed, 23 Apr 2014 17:19:02 -0700 (PDT) From: r8mkii@gmail.com To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org. Subject: Re: Telco Simulator - Design Challenge? Message-ID: <e54e2062-c312-4eef-a276-e9904306b028@googlegroups.com> [moderator pro tem's note: I don't generally suggest replying to 19-year-old questions. They're probably not timely.] On Monday, October 30, 1995 3:00:00 AM UTC-5, Bill Shields wrote: > I have been asked to look into the feasibility of creating an > interface to a standard telephone (via an RJ-11 jack) which meets the > following requirements: > > 1. Provides sufficient power for standard line-powered > telephone. (+5 VDC and +12VDC are available - step-up via > DC-DC converter?). > > 2. Simulates a standard "ring" signal. (115/6.3v transformer > connected "backwards"?). > > 3. Detection of "off-hook" condition (TTL level output). > > 4. Performs 2-wire to 4-wire conversion (standard ICs available?). > > 5. Decode DTMF signals (plenty of ICs available - any favorites?). > > Note that none of this needs to meet any agency approvals since > there will be NO connection to the Telco. > > Any hints, suggestions, pointers to reference materials, app notes, > schematics, etc. would be VERY appreciated! So far, I've managed to > bury myself in various texts, but I am clearly out of my element here > and I have the deep suspicion that I'm trying to re-invent the wheel - > and that there may be others out there for whom this would be > considered trivial. > > Can any of you telephony wizards help? I should mention that IF > this project actually got to the commercial development stage (and > that's a big IF), I could actually afford to PAY someone who could > contribute their expertise. In the meantime, I'm trying to determine > if this is actually feasible at a reasonable cost OR if the marketing > dreamers should be sent back to their cave :-). > > All input and/or comments welcomed and appreciated! > > Regards, > > > Bill http://www.vikingelectronics.com/products/pdf/dle-200b.pdf
TELECOM Digest is an electronic journal devoted mostly to telecom- munications topics. It is circulated anywhere there is email, in addition to Usenet, where it appears as the moderated newsgroup 'comp.dcom.telecom'. TELECOM Digest is a not-for-profit, mostly non-commercial educational service offered to the Internet by Bill Horne. All the contents of the Digest are compilation-copyrighted. You may reprint articles in some other media on an occasional basis, but please attribute my work and that of the original author. The Telecom Digest is moderated by Bill Horne.
Contact information: Bill Horne
Telecom Digest
43 Deerfield Road
Sharon MA 02067-2301
bill at horne dot net
Subscribe: telecom-request@telecom-digest.org?body=subscribe telecom
Unsubscribe: telecom-request@telecom-digest.org?body=unsubscribe telecom
This Digest is the oldest continuing e-journal about telecomm-
unications on the Internet, having been founded in August, 1981 and
published continuously since then.  Our archives are available for
your review/research. We believe we are the oldest e-zine/mailing list
on the internet in any category!

URL information: http://telecom-digest.org

Copyright (C) 2014 TELECOM Digest. All rights reserved.
Our attorney is Bill Levant, of Blue Bell, PA.

Finally, the Digest is funded by gifts from generous readers such as yourself who provide funding in amounts deemed appropriate. Your help is important and appreciated. A suggested donation of fifty dollars per year per reader is considered appropriate. See our address above. Please make at least a single donation to cover the cost of processing your name to the mailing list. All opinions expressed herein are deemed to be those of the author. Any organizations listed are for identification purposes only and messages should not be considered any official expression by the organization.

End of The Telecom Digest (2 messages)

Return to Archives ** Older Issues