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FRIDAY - JUNE 16, 2006 - ISSUE NO. 216

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brad dye
Wireless Messaging Newsletter
  • VoIP
  • Wi-Fi
  • Paging
  • Wi-MAX
  • Telemetry
  • Location Services
  • Wireless Messaging
WIRELESS
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MESSAGING

LETTERS TO THE EDITOR

From: edgardo_duron@alfacom.hn
Subject: RE: PIR_message
Date: June 12, 2006 2:56:34 PM CDT
To: brad@braddye.com

Hola Brad:

It seems difficult to find information about these devices (P935), no? Do you know someone that I can contact in order to get the service manual or any other technical information about the P935?

Saludos.

Ing. Edgardo Durón
Gerente de Operaciones
Alfacom S.A.
Tel. (504) 225-5300
-----Mensaje original-----
De: Brad Dye [mailto:brad@braddye.com]
Enviado el: Viernes, 09 de Junio de 2006 10:45 a.m.
Para: Edgardo Durón
Asunto: Re: PIR_message

Hola Edgardo,

OTAP s/w existed for the T900 but I don't know about the 935. Sorry.

Cordiales saludos,

Brad Dye
Consultor de sistemas de mensajes inalámbricos
P.O. Box 266
Fairfield, IL 62837 EUA
Teléfono/fax: +1-618-842-3892
Skype: braddye
Sitio red digital: http://www.braddye.com/

On Jun 9, 2006, at 10:31 AM, Edgardo Durón wrote:

Hello Brad:

We are looking for the OTA (over the air) programming software for the Motorola Timeport 935, some people told me that they haven´t heard about this software. Do you know if this OTA software indeed exist? Any comment would be appreciated.

Thank you.

Ing. Edgardo Durón
Gerente de Operaciones
Alfacom S.A.
Tel. (504) 225-5300


From: ronald.wojtylko@velocitawireless.com
Subject: from the newsletter
Date: June 9, 2006 2:38:28 PM CDT
To: brad@braddye.com

Brad,

Concerning the article “RIM CEO cautious about unlimited wireless data plans” in the June, 9th newsletter. I would have to take RIMs word for it. Application providers have a tendency to program in a way that makes their part of an application easier. As an example, when RAM Mobile Data started with RIM to create BlackBerry, there were a lot of things that RIM wanted to do on the Mobitex network that would have simplified the wire network portion of the application but at the cost of greater bandwidth usage on the Mobitex network. This was driven by the fact that RIM operated under a virtually unlimited all you can eat price plan. Since the wireless link on Mobitex operates at 8Kbit, it was important that they be as efficient as possible on the wireless link portion. RAM Mobile Data, now Velocita Wireless and RIM learned some valuable lessons from this partnership.

If the network providers do not offer incentives to application creators they will tend to use all available bandwidth. The best incentive is a customer having to pay for bandwidth used as this causes bandwidth efficiency to become a feature of the application. RIM’s Blackberry and Good Technologies’ Goodlink both got there start on Mobitex. We were not as cautious with Good as we were with RIM and therefore Goods application is not as bandwidth efficient as RIMs.

The carriers have to protect their interests, in this case, bandwidth. Application developers have to be held to a high standard of efficiency on the wireless link.

Ronald Wojtylko
Area Field Manager
Velocita Wireless
Alabama-Florida


From: ten@caprock.bz
Subject: Web Message
Date: June 9, 2006 2:00:35 PM CDT
To: brad@braddye.com
Reply-To: Tjenk@Caprock.bz

Brad,

I thoroughly enjoy your newsletter every week, I am always amazed at the new products coming available. I have a problem I need some help with! I have just replaced a UniPage system with a Zetron 640 DAPT Xtra. I have had a few problems along the way, but one I can’t get through is the interfacing of a modem & an Alphamate to the serial ports. Any help would be appreciated.

Respectfully,

Tom Jenkins


From: slferguson@inilex.com
Subject: Help Wanted
Date: June 8, 2006 10:35:20 AM CDT
To: Brad Dye

Inilex is looking for two great firmware engineers for embedded software and hardware development.

(job descriptions follow)

If you know someone let me know. Please forward this job description to anyone you know that might be interested

Thanks,

Scott Ferguson
CEO
Inilex
Office 480 889 5676
Direct 480 889 5670
Cell 480 818 2608


CAN Firmware Development Engineer Inilex, Inc.
Summary

Required Skills and Experience

Preferred Skills and Experience


ReFlex Firmware Development Engineer Inilex, Inc.
Summary

Required Skills and Experience

Preferred Skills and Experience


BPL SYSTEMS

Full US House Okays Telecoms Bill with BPL Study Language Intact

mike rossNEWINGTON, CT, June 9, 2006--On a 321 to 101 vote, the US House of Representatives on June 8 passed the Communications Opportunity, Promotion and Enhancement (COPE) Act of 2006. The House-passed bill, HR 5252, left intact language that required the FCC to study the interference potential of BPL systems. US Rep Mike Ross, WD5DVR (D-AR), one of two radio amateurs in Congress, sponsored the BPL study requirement, "Study of Interference Potential of Broadband over Power Line Systems," contained in Title V, Section 502 of the complex bill. HR 5252 now goes to the US Senate, where a separate--and very different--telecoms bill, the Communications, Consumer's Choice, and Broadband Deployment Act of 2006 (S 2686) is still in committee.

"We were concerned that a representative might be persuaded by BPL interests to introduce an amendment to delete or dilute Section 502," said ARRL CEO David Sumner, K1ZZ. "As it turns out that didn't happen, although we had taken steps to counter it if it had. So for now our focus returns to the Senate Commerce, Science and Transportation Committee." Sumner says that if similar language were introduced on the Senate side, it would be more likely to remain when and if the House and Senate versions go to a conference committee.

The BPL Study Language

Section 502 calls on the FCC to "conduct, and submit to the Committee on Energy and Commerce of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate, a study of the interference potential of broadband over power line systems," within 90 days of the bill's enactment.

capitol domeRoss proposed including the study wording while the bill was still in the Energy and Commerce Committee. With the support of Committee Chairman Joe Barton (R-TX), the panel agreed by voice vote to include it when it reported the bill out.

The BPL study requirement reportedly has received significant opposition from electric utilities. The United Telecom Council (UTC), a bulwark of BPL support and administrator of the Interference Resolution Web site, last month referred to the study requirement as a threat and urged its members to contact their members of Congress regarding its inclusion in the House measure.

A year ago, Ross sponsored House Resolution 230 (H Res 230), which calls on the FCC to "reconsider and revise rules governing broadband over power line systems based on a comprehensive evaluation of the interference potential of those systems to public safety services and other licensed radio services." That non-binding resolution has eight cosponsors.

Ham Radio "often overlooked," Ross says

In an April 27 statement, Ross said including the FCC study requirement in the House bill "would guarantee that valuable public safety communications and Amateur Radio operators are not subject to interference." He said infrastructure-free Amateur Radio, "often overlooked in favor of flashier means of communication," can maintain communication in disasters that bring more vulnerable technology to its knees. Ham radio operators "are often the only means of communication attainable in a devastated area," Ross said.

"I believe it is imperative that the interference potential [of BPL] is thoroughly examined and comprehensively evaluated to ensure that deployment of BPL, which I do support, does not cause radio interference for Amateur Radio operators and first responders who serve our communities," Ross added.

Attention Shifts to the US Senate

The Senate Commerce, Science and Transportation Committee will consider S 2686 in a markup session later this month. The ARRL has e-mailed members in the 22 states with Senators on the committee, urging them to write seeking support to include similar BPL study language in the Senate bill.

The language the League wants to see in the Senate amendment to the telecom bill would call on the FCC to "conduct, and submit to the House Energy and Commerce and the Senate Committee on Commerce, Science, and Transportation, a study of the interference potential of broadband over power line systems leading to improved rules to prevent the deployment of systems having a potential to cause destructive interference to radio communication systems."

The ARRL has developed a sample letter but encourages League members to personalize their own correspondence as much as possible. The League asks members to fax their letters to the number indicated in the e-mail to members plus a copy to ARRL's government relations firm Chwat & Company, ATTN: Eric Heis, KI4NFC, 625 Slaters Ln — Suite 103, Alexandria, VA 22314. Fax 703-684-7594.

The sample letter points out the value of Amateur Radio's role in recent disasters, such as Hurricane Katrina. "The reason we need your help is that the FCC continues to resist growing evidence that its rules are inadequate to protect radio communication systems, including those relied upon by First Responders, from radio spectrum pollution caused by BPL systems," the sample letter says. "The FCC needs to objectively and carefully review this evidence and adopt rules that will keep interference from BPL within reasonable bounds." The sample letter notes that not only has the FCC shown no inclination to do that, it's so far failed "to enforce its existing rules in specific, well documented instances of harmful interference."

BPL Interference is the Issue

"Remember that it is not BPL that we oppose, but BPL interference," Sumner has emphasized. "Some BPL systems are designed not to cause widespread interference, but many are not. The problem is that the FCC rules don't distinguish between the two. This is unfair to licensed radio services that must deal with the consequences of spectrum pollution."

Sumner says it's also unfair that BPL system designers who did their homework on the interference issue "have to compete with those who didn't."

Source: ARRL


WI-FI / WI-MAX & VOIP NEWS

VoIP sounds death knell for home phones

Voice over IP wielding the knife, says analyst
Matt Chapman, vnunet.com 15 June 2006

VoIP technology spells the end of traditional home telephone numbers, according to an industry analyst.

A study by Jupiter Research claims that the rise in fixed/mobile telephone services appeals strongly to Europeans, and that location will cease to be important for either making or receiving calls.

The report said that 27 per cent of consumers are already interested in regularly using their mobile phone in place of their home telephone.

"VoIP will convert the home telephone from analogue to digital and, once digital, the home telephone number will become unfixed," said Ian Fogg, lead author of the reports and senior analyst at Jupiter Research.

"It will no longer be available just at home, but in the office, in internet cafes and even on mobile phones."

Fogg explained that VoIP telephony is attractive to consumers because services are cheap and flexible.

The study found that PC-based VoIP telephony already appeals to 17 per cent of consumers in Europe, with 21 per cent interested in diverting their home telephone to a mobile phone showing their desire to use their home telephone number wherever they are.

However, Fogg warned that services must be allowed to operate across other providers' systems if uptake is to be successful.

"Mobile operators and internet VoIP competitors must lobby to ensure that their VoIP services operate unimpeded across other ISPs' connections, or they must be prepared to invest in fixed broadband to ensure the security of network supply for their VoIP services," he said.

Source: vnunet.com


Internet Pioneers Warn of VoIP Wiretapping Problems

Government-mandated wiretapping could cause serious Internet security problems, they say.

Grant Gross, IDG News Service
Wednesday, June 14, 2006

WASHINGTON—U.S. government efforts to require most VoIP (voice over Internet Protocol) providers to permit law enforcement agencies to wiretap phone calls could introduce new cyber security problems to the Internet, a group of Internet security experts said this week.

A U.S. Federal Communications Commission (FCC) rule requiring VoIP providers to allow wiretapping by May 2007 would either require a massive re-engineering of the Internet or introduce broad security risks, said authors of a new study released by the Information Technology Association of America (ITAA), an IT vendor trade group.

In addition, the requirements would stall Internet innovations in the U.S. by adding hundreds of thousands of dollars in set-up and maintenance costs to VoIP providers and potentially to other Internet applications that provide voice services, including instant messaging, and online games, according to the study, which is available online.

The study, co-authored by several people including TCP/IP co-creator Vinton Cerf and former U.S. National Security Agency encryption scientist Clinton Brooks, comes days after a U.S. appeals court upheld the FCC's VoIP wiretapping rules. On Friday, the U.S. Court of Appeals for the District of Columbia upheld the ruling, requiring that VoIP providers offering a substitute for traditional telephone service comply with a 1994 telephone wiretapping law called the Communications Assistance for Law Enforcement Act (CALEA).

The FCC did not immediately respond to a request for comments about the ITAA study. But on Friday, FCC Chairman Kevin Martin said allowing law enforcement wiretapping of VoIP calls is of "paramount importance" to U.S. security.

Potential Problems
Tracking VoIP calls would be more difficult than tracking calls on the traditional telephone network, because VoIP providers have little control over how their calls are routed across the Internet, said Whitfield Diffie, chief security officer at Sun Microsystems. VoIP providers "have no special Internet privileges" to control traffic, said Diffie, one of the study's authors.

VoIP wiretapping would require law enforcement to have access to both customer data from the VoIP providers and real-time tracking of calls routed across the Internet, he said. Requiring Internet service providers to respond in real time to requests for them to record VoIP calls would open up the Internet to new vulnerabilities, he added.

"You find yourself in a technologically very, very complicated problem," Diffie added. "It's not inconceivable that a system of that kind could be built. You have a magnitude of vulnerability—I can't think of any parallel in any system we've seen so far."

Such a wiretapping system would require a "major research and development effort" in order to reduce security vulnerabilities, he added. In addition, it would be difficult to apply the FCC wiretapping rules to VoIP calls worldwide, he said.

"These things do not respect borders," he said. "It's very hard to see how something of this kind can be done both effectively and securely."

If the FCC CALEA rules are enforced, all kinds of Internet applications would be monitored, added Cerf, the chief Internet evangelist at Google. "I don't see any way to constrain or restrict the target of the intercept to simply voice, because, in fact, every application would have to be effectively treated in the same fashion," he said. "There's no way to tell what the bits mean in the packets that are flowing."

Source: PCWORLD

UNTIL NEXT WEEK

I hope you found this week's newsletter worthwhile. Papers on marketing, regulatory issues, paging history, and technical topics are needed for future newsletters. For many years I did not write because I knew so many people who were much more qualified than I—then I realized that most of them never write anything. That's when I started writing. What's holding you back?


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With best regards,
brad's signature
K9IQY

Brad Dye
Wireless Messaging Consultant

P.O. Box 266
Fairfield, IL 62837 USA

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Skype: braddye  WIRELESS
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MESSAGING
Telephone/Fax: +1-618-842-3892 
E–mail: brad@braddye.com 
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THOUGHT FOR THE WEEK
“Every one says forgiveness is a lovely idea, until they have something to forgive.”
—C.S. Lewis

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