| FRIDAY - OCTOBER 15, 2004 - ISSUE NO. 134 | ||
Dear friends of Wireless Messaging and Paging, Sometimes I get nostalgic, thinking about "the good old days." The topic of the Carterfone came up this week. I remembered the first time I heard the story—it was from Ted Faust—over 20 years ago. Many of you reading this will remember Ted from his frequent appearances in the trade magazines. More on the Carterfone legacy follows, but the short form of the story goes something like this: Tom Carter operated a Motorola MSS (service shop) and was probably a ham radio operator too, since they are the ones who know how to do these things. He made a "phone patch"—a fairly simple device to connect a two-way radio to a telephone line. He did it so the workers on offshore oil wells could talk to their families at home. Back in those days there was one big (and arrogant) telephone company—AT&T. Well, they stopped Tom Carter from selling his phone patch because the rules at that time said that nobody could connect any equipment to a telephone line that wasn't supplied by, and approved by, Ma Bell (AT&T). Of course any special equipment like this—if it was available at all—was very expensive. Being a proper Texan (with that frontier-independent-cowboy spirit) he took the matter to the courts, then to the FCC, and got the rule thrown out. It wasn't easy, but he stuck with it until he won his case! So what's the big deal? The historic "Carterfone decision" made many interconnect devices that we take for granted today possible. Like answering machines, fax machines, cell phones, pagers, the PABX, modems, and the Internet just to name a few. I think the only bad result was those $9.95 telephones that you can buy in a drugstore. I have found a couple of articles that follow, which tell more about the Carterfone. There is a nice lady in Florida who has put one up for sale. It is mounted on a wood plaque and was meant to be given away as a VIP gift. At the place where she used to work, they were getting ready to throw it in the trash, but gave it to her when she asked for it. We are going to try an informal bid for the first time in this newsletter. You can contact the seller directly, by e-mail, with your offer if you are interested. The minimum bid is $500, and the highest bidder by the end of the day on Wednesday (10/20/04) will be the proud owner of a piece of telecommunications history. I wouldn't be surprised if a private collector or a museum would make a very large bid for this, but then I get emotional about these things. There is a photo of this "Presentation Carterfone" following below.
Now on to the Wireless Messaging news and views. |
Promoting Wireless Messaging, Telemetry, and Paging.
A new issue of The Wireless Messaging Newsletter gets posted on the web each week. A notification goes out by e-mail to subscribers on most Fridays around noon Eastern US time. The notification message has a link to the actual newsletter on the Internet. That way it doesn't fill up your incoming e-mail account. There is no charge for subscription and there are no membership restrictions. Readers are a very select group of wireless industry professionals, and include the senior managers of many of the world's major paging and wireless data companies. There is an even mix of operations managers, marketing people, and engineers, so I try to include items of interest to all three groups. It's all about staying up-to-date with business trends and technology. I regularly get reader's comments, so this newsletter has become a community forum for the paging, and wireless data communities. You are welcome to contribute your ideas and opinions. Unless otherwise requested, all correspondence addressed to me is subject to publication in the newsletter and on my website. NOTE: This newsletter is best viewed at screen resolutions of 800x600 (good) or 1024x768 (better). Any current revision of web browser should work fine. Please notify me of any problems with viewing. This site is compliant with XHTML 1.0 transitional coding for easy access from wireless devices. (XML 1.0/ISO 8859-1.) Your help is needed. Help keep the newsletter going. Click on the PayPal button. Don't forget about the AAPC 2004 Fall Conference, "Answering the Challenges of Today & Tomorrow" to be held November 3-5 at the beautiful Pointe South Mountain Resort in Phoenix, Arizona.
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| WIRELESS NEWS | ||||||||||||||||
BearCom and TransTel Provide A Series of “Firsts” for Regional VA Hospital Communication System October 13, 2004—FOR IMMEDIATE RELEASE Contact: Tom Renick (214) 765-7544 BearCom and TransTel Provide A Series of “Firsts” for Regional VA Hospital Communication System October 13, 2004—Dallas, TX–BearCom Wireless Worldwide has been selected as the installation and integration subcontractor for the South Central VA Health Care Network (VISN 16)—a part of the Veterans Health Administration. The BearCom-provided equipment will become an integral part of this new communication system. This system is the first Project 25 digital simulcast system built and commissioned by an independent two-way radio distributor instead of a major radio manufacturer. Additionally, this two-part radio system is the first Project 25 digital multicast system to use Ethernet to transport audio, and is one of the first cases of true RF to IP analog to digital and back again. VA Communications Project Manager, Dave Chagnon, was tasked with upgrading all two-way and one-way radio communication systems to narrow band operation by January 1, 2005. This is largely due to a federal mandate stating all government operations must use VHF narrowband frequencies by the year 2005 and UHF narrowband frequencies by 2007. Mr. Chagnon chose TransTel Central of Norman, OK as the primary vendor. After completion of system design and site preparation construction, TransTel awarded BearCom with the bid to provide equipment and install the system. Phase I of the project is staging. The BearCom headquarters in Dallas, Texas has served as the staging and simulation area for the individual sites. Infrastructure components are rack mounted so that the majority of finished equipment can be shipped all at once to reduce installation time at the sites. Phase II consists of the actual installation of equipment at each site location, while Phase III is equipment optimization. After both of these phases are complete, the customer will inspect the system for acceptance, a 30-day test period will ensue, and removal of the old equipment will mark each site’s completion. Phase III is scheduled for completion by January 1, 2005. The system consists of 39 Motorola Analog Quantar repeaters, which supply campus radio coverage for all non-public safety departments at each of the VISN’s 10 Medical Centers. The VA Police departments at each facility will be supplied with Motorola Project 25 Quantar repeaters with Digital Interface Units. Project 25 repeaters were chosen because of their maximum effectiveness at transmitting clear audio. All digital repeaters and associated equipment will be supplied with AES (Advanced Encryption Standard) encryption, the highest form of encryption available. The hospitals will also receive a new paging system designed with redundant paging transmitters and an automatic cutover panel. This will insure that if one transmitter fails, radio transmissions will immediately switch over to the second transmitter via the cutover panel—a piece of equipment that sits between the two racks of transmitters. This was essential, since the hospitals and E.R. personnel at each location rely on paging communications to treat their patients. BearCom and TransTel have already successfully designed, staged, optimized and commissioned a new radio system at six of the sites. One of these sites (Central Arkansas Veterans Healthcare System located in Little Rock, Arkansas) is a two-site system which consists of three simulcast analog VHF channels, one simulcast VHF digital Project 25 channel with AES encryption, and one simulcast VHF paging channel. Because it is a simulcast system, every radio transmission consists of two signals instead of one. Each analog Quantar repeater in the system is interfaced through a Harris channel bank to a Motorola DigiTac comparator. The Harris channel bank moves audio signals between locations, while the comparator chooses which of the two signals has better clarity. The comparator then feeds the selected audio back to the Quantar repeaters via the Harris channel bank. System timing is controlled by both the Harris channel bank and Convex equalization / delay devices, which synchronize the two transmitted audio signals. Without this, the two separate transmissions would arrive at different times and sound garbled. Finally, the Project 25 digital Quantars feed V.24 (digitized audio) synchronous signals back to a Motorola AstroTac comparator for relay. The paging system consists of a terminal sending pages to a controller. The Zetron model 600 controller was chosen because it uses a GPS time stamp, which controls the timing of the pages when they are sent to controllers at each site. The GPS timing ensures two signals will be synchronized within a millisecond of each other. At each site, Vytek transmitters are used to send the pages simultaneously. Vytek also supplied an automatic cutover panel in the event there are problems with the main paging transmitter. If this happens the panel will cause a cutover to the backup-paging transmitter automatically. In another example, BearCom and TransTel have also successfully designed, staged, optimized and commissioned a new radio system at a second site which is comprised of two locations, the VA Medical Center in Muskogee, Oklahoma and the VA outpatient clinic in Tulsa. The two-site system consists of two single-site analog VHF channels serving the support needs of the Muskogee Medical Center and one VHF digital Project 25 channel with AES encryption supporting the VA police at both locations. The system consists of one single site redundant VHF paging channel, Quantar transmitters for the voice channels and Vytek transmitters for paging. The system provides connectivity to the VA personnel with multiple Zetron model 4010 consoles and Zetron model 284 remotes, just like the system installed at the Little Rock location. What is different, however is the link between the two Quantar repeaters utilizes the VA Ethernet network, while maintaining the Project 25 signal in its native V.24 synchronous format. The benefit to this is being able to connect two repeaters through an existing network instead of paying monthly lease fees for an additional line. And, by preserving the native digital signal between the two repeaters, recovered audio quality remains the same regardless of which site the transmitting unit is located. This two-part radio system is the first Project 25 digital multicast system using Ethernet to transport audio that has been built. It is also one of the first cases of true RF to IP convergence in the history of the industry. Now, instead of converting signals from analog to digital and back again (which can cause decreased clarity of the signal), it is possible to keep the signal digital the entire time of transmission, thus providing the maximum clarity. BearCom Wireless Worldwide was founded in 1981 and today is a global provider of wireless communications equipment and tailored solutions. BearCom sells, rents and services a broad line of two-way radios, cellular telephones and wireless networking solutions. BearCom is the nation’s largest distributor of Motorola. For more information, contact your local BearCom branch today or visit www.bearcom.com. -###- BearCom branch offices are located in the following cities: Atlanta, Chantilly, Chicago, Columbus, Costa Mesa, Dallas, Denver, Detroit, Ft. Lauderdale, Hartford, Honolulu, Houston, Las Vegas, Los Angeles, New Orleans, New York/New Jersey, Orlando, Phoenix, Philadelphia, Portland, Riverside, Sacramento, San Diego, San Francisco, Seattle, St. Paul, Tampa and Washington DC. Source: BearCom Wireless Press Release Selectmen Delay Decision Buffalo Mountain Proposed As Alternate Cell Tower Site Monday September 27, 2004 HARDWICK VERMONT Rinker explained the additional costs would include the price of bringing electrical power to the remote location and going up rough terrain with all the materials for construction of the tower: two 12- by 24-foot air-conditioned buildings to be placed on each side of the tower, and a chain link fence. In addition, a propane generator would also have to be brought up. "Right now, I don't know just how somebody would bring all that up the mountain. I know it would cost a lot of money to do it," he said. Buffalo Mountain trail follows along one boundary of the town property and is connected to another trail, Wright Farm Road, which runs in a perpendicular line up through a 74-acre piece of property owned by the town. Rinker does not feel these trails would be of much use in transporting tower and building materials. Source: The Caledonian-Record CSI Wireless lands $8.3M order from Motorola licensee Brightstar Canadian Press Thursday, October 14, 2004 CALGARY (CP)—CSI Wireless Inc. has received an $8.3-million order from Motorola licensee Brightstar Corp. to make a "fixed wireless" phone. CSI will make Motorola's FX800t, a phone that connects to an electrical outlet and relies on a cellular network, as opposed to a land line. The FX800t operates on the Time Division Multiple Access standard, which is popular in Latin America. The order will be filled in the end of 2004 and early 2005, CSI said. According to CSI, the Motorola FX800t is reliable in urban and rural areas, including remote communities where land lines are not available. The TDMA standard for wireless phones is used by about 10 per cent of the world's wireless subscribers. CSI also makes phones that operate on the GSM standard, used by 70 per cent of global wireless phone users. Calgary-based CSI also has offices in Silicon Valley and Phoenix. The company designs and makes wireless and GPS equipment, which is used with global-positioning satellites to track the location of things like cars, trucks and farm equipment. Shares in CSI (TSX:CSY) traded up nine cents at $2.94 Thursday morning on the Toronto stock market. Source: Canada.com Business Centre Broadband over power line approved despite interference concerns Oct 14, 2004 WASHINGTON-Despite the interference concerns of government-spectrum users, public-safety entities and amateur-radio operators, the Federal Communications Commission Thursday adopted rules to allow broadband over power lines. "The potential for the U.S. economy is too great, too enormous, too ground-breaking to sit idly by," said FCC Chairman Michael Powell. Rather than simply requiring BPL operators to live under the existing unlicensed rules, BPL has additional obligations, such as notching and remote shutoff, that will require some adjustments to existing commercial BPL operations, said Bruce Franca, deputy chief of the FCC's Office of Engineering & Technology. Additionally there will be specific frequencies where BPL operations will not be allowed. These bands are for "life and safety," said OET Chief Edmond Thomas. The rules set out specific procedures for interference complaints, but the only time limits are for interference complaints from public-safety entities, said Thomas. BPL equipment will be subject to FCC certification rather than verification procedures used by other unlicensed devices. FCC certification requires equipment manufacturers to submit testing results to the FCC while verification does not require any prior manufacturer contact with the FCC before deploying an item. FCC Commissioner Michael Copps said he was disappointed that the FCC did not set out rules for disabilities access, universal service and enhanced 911. "Just because these regulations are long standing does not mean they are out of date," said Copps. Copps also said he was concerned that power customers may be forced to pay higher rates to subsidize an electric company's "foray into BPL." FCC Commissioner Kevin Martin told Copps he had nothing to fear because he believed Pat Wood III, chairman of the Federal Energy Regulatory Commission, would protect consumers. "I am confident FERC Chairman Wood will do everything to protect consumers," said Martin. Source: RCR Wireless News
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| READER'S COMMENTS | ||||||||||||||||
From: Michael Mann I have a question for the discussion group focusing on encryption: Has anyone done a formal survey of the customer base to see who is actually determined to use an encrypted solution? I work for a regional one way paging carrier, we have a couple of dozen hospital accounts. On my travels I have done an informal survey regarding encryption. Without exception, every single one of them has said they absolutely need encryption. The disturbing part of the equation is that every one of them has also said they are not willing to pay more for their pagers or monthly service to get encryption. The bankruptcy graveyard is littered with the carcasses of companies with truly brilliant ideas but flawed business plans, who drastically overestimated the prices they could charge for their services. I'd hate to see us get into the "Field of Dreams" mentality (if you build it they will come. . .) without a complete understanding of the potential financial implications. Respectfully, | ||||||||||||||||
| NOSTALGIA—THE CARTERFONE | ||||||||||||||||
Importance of CPE Deregulation (Carterfone Decision) From Jason Oxman, FCC Working Paper 31: At about the same time the Commission launched its first Computer Inquiry, it released a short order addressing the complaint of Thomas F. Carter and his company, the Carter Electronics Corporation, against AT&T. In 1959, Carter invented a device, which he named for himself, that permitted users of mobile radio systems to interconnect their landline telephone with the radio system to permit mobile and fixed users to communicate with each other. AT&T advised its customers that the Carterfone, if used in conjunction with an AT&T telephone, would subject the end user to penalties pursuant to AT&T’s FCC tariff number 132, which provided that:
Carter filed a private antitrust suit against AT&T, and the District Court referred the matter to the FCC. The Commission concluded that AT&T’s tariff was unreasonable and discriminatory and ordered the restrictive tariff provisions stricken. The Commission was troubled by the tariff provision that would have permitted end users to install AT&T-manufactured equipment with exactly the same functionality offered by the Carterfone, but not the Carterfone itself. The Commission determined that a customer desiring to improve the functionality of the telephone network by interconnecting a piece of equipment not manufactured by the phone company should be permitted to do so, so long as that equipment does not harm the network. The principle of consumer usage of non-telephone company manufactured equipment with the public switched telephone network, outlined by the Commission in Carterfone, would later be codified as Part 68 of the FCC’s rules. Part 68 was first adopted in 1975 as part of the Commission’s WATS rulemaking, in response to telephone company slowness in modifying tariffs to permit consumers to attach their own equipment to the public network. Part 68, which addresses connection of terminal equipment to the public telephone network, permits consumers to connect equipment from any source to the public network if such equipment fits within the technical parameters outlined in Part 68. Competitive manufacturers of equipment were able, by means of the Commission’s equipment registration and certification procedures, to build and deploy an incredible variety of voice and data equipment for use with the public network, without seeking prior permission from either the Commission, or more importantly, the monopoly telephone companies. Through Carterfone and Part 68, the Commission opened the door to manufacturers of devices that interconnected with the telephone network and offered value-added services and capabilities. Most important for the growth and development of the Internet, the Commission’s deregulation of customer premises equipment, or CPE, cleared the way for the rapid deployment of the modem. The modem allows any consumer with a computer and a telephone line to access data services, requiring no network alterations by the telephone company. Residential modem use, in turn, has driven the growth of Internet applications as consumer use of the Internet has increased. In fact, without Part 68, users of the public switched network would not have been able to connect their computers and modems to the network, and it is likely that the Internet would have been unable to develop. As the application of Moore’s law to computer processing speeds witnessed an exponential growth in computing capabilities, the modem followed suit. Analog modem speeds rose from 300 baud to 28.8 kilobits/second, and then to today’s nearly standard 56 kilobits/second. Digital modems and codecs, using such technologies as digital subscriber line (DSL), promise multiple increases in speed that will create demand for even more innovative Internet-based resources and tools. As a result, consumers will continue to be exposed to an endless variety of Internet-based applications that meet their increased bandwidth capabilities. The Carterfone decision enabled consumers to purchase modems from countless sources, to install and use the modem without permission from the telephone company, and to use these modems to take advantage of an array of data services offered by a diverse assortment of service providers over their home telephone service. Without easy and inexpensive consumer access to modems, the Internet would not have become the global medium that it is today. Source: Cybertelcom Arguably the legislation that has had the greatest impact on the call center industry is the 1968 Carterfone decision by the FCC. The ruling allowed equipment made by businesses other than the Bell System to be connected to the public telephone system and it enforced the right of companies to hook up their own gear to the public telephone network (so long as this equipment did no harm to the network). The decision derived its name from a device called the Carterfone, invented by Thomas Carter. The device consisted of a transceiver equipped with an acoustic coupler into which a regular phone handset was placed. By eliminating the Bell System's monopoly over the manufacturing of phone switches, the decision spawned the interconnect industry, leading to developments such as the modern PBX, IVR system and ACD. Source: Call Center Magazine [Item 7 of "100 Cool Call Center Things."]
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| Building on its long success story in 1-way paging, Advantra International has become the expert in designing and manufacturing the most advanced and lowest cost ReFLEX™ radio modems for 2-way data-communication. The company also focuses on offering total telemetry solutions. Advantra thanks its solid reputation to its world-renowned development team, state-of-the-art manufacturing, excellent customer service and its proven track-record.
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Motorola Introduces Two New Pagers Ideal for Health Care, Hospitality, Manufacturing, and Utilities Markets Motorola's newest one-way pagers—the Advisor II pager and the LS355 pager—are ideal for users in demanding business environments who need a convenient and cost effective way to stay in touch. Both the Advisor II pager and the LS355 pager were developed for use in hospitals and medical facilities, manufacturing environments, utilities, hospitality applications, campus settings, and for businesses that own and operate their own paging systems.
Both the Advisor II pager and the LS355 pager are available in POCSAG, UHF or VHF models and ship with a one-year standard warranty. As part of the continued support of these pagers, Motorola offers a two-year Express Service Plus program. This feature provides hardware repair coverage for two years beyond the standard one-year warranty for a total of three years of pager repair coverage. Both pagers are available through Motorola Authorized Resellers. MOTOROLA and the Stylized M Logo are registered in the U.S. Patent and Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2003. | Complete Technical Services For The Ira Wiesenfeld, P.E.
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Advertise Here Your company's logo and product promotion can appear right here for 6 months. It only costs $500 for a full-size ad in 26 issues—that's $19.23 an issue. (6 month minimum run.) Details about the various advertising plans can be read here. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A fast and reliable alarming system is an indisputable prerequisite for emergency fire and rescue services to respond successfully and efficiently. State-of-the-art paging enables groups as well as individuals to be alerted. The Quattrino Voice and Memo two-tone pagers are suitable for everyone, even for those working in an emergency during severe weather conditions. Continual further development of previous popular models has resulted in a practical, reliable and user-friendly device, innovatively housed with ergonomic operating controls. Design elements include a very long standby function, and weather proofing to the European IP54 specifications. I am an authorized Manufacturer Representative for Swissphone. Please contact me directly for any additional information.
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ReFLEX Two-Way Paging/Data Messaging Systems Technical Services support for existing paging systems SIMULCAST SYSTEMS ARE OUR SPECIALTY!! call (217) 221-9500 or e-mail sales@AdvancedRF.biz 301 Oak St., Suite 2-46A, Quincy, IL 62301 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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To inquire about this equipment, please send me (Brad Dye) an e-mail and I will put you in touch with the seller. Update: The Glenayre is a FLEX System with 12 Transmitters in the Frequency Band 150-174 Mhz (166.2375 MHz). There are 4 Motorola Systems, all POCSAG, in the Frequency Band 150-174 Mhz, with about 25 Transmitters (166.3625 MHz). | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Remember that old word “Residuals”? The EE Group is actively seeking Dealers with sales/ service/installation capabilities to promote the latest wireless AVL, SCADA and data products from Telegauge Systems, Inc. This innovative program requires NO inventory and NO billing by your facility; you just sell it and sign up the end user to collect the commissions. Now the real reason to choose the EE Group and Telegauge over the host of others; we pay you permanent residual income every month on your airtime sales forever. Airtime commissions range up to 12% per month based on prior sales and you buy all equipment direct from the factory at 2-tiered wholesale prices as well for great margins. Telegauge builds fully 2-way overt and covert (hidden) GPS based Automatic Vehicle Location, SCADA, remote management, telemetry and data systems routed via cellular and satellite that are delivered to the end user via the Internet or direct to the desktop. Applications are both ‘canned’ and custom depending upon the customers needs. We even have full dispatch systems including credit card swipe and billing if needed. Finally, the prices on the product are guaranteed to be the LOWEST in the industry at under $600 retail for the equipment and from $6 to $30 on the monthly airtime with most customers in the $15 range. Note too that the price is the same for cellular OR satellite world wide coverage and no one else has this exclusive capability. Telegauge provides the product, software, airtime, billing and final information from a single source and you can be a BIG part of it. You stock NOTHING, just collect the checks. We are paid by the manufacturer to support YOU and unlike other factories; we never bid against you, restrict you or take your deal. We help you with demo equipment, brochures, information, sales assistance, web advertising and user name/passwords for the website so that you don’t even need to buy anything to start up fast. Contact us for a no-obligation CD of all the presentation and training material, price spreadsheets and information at: EEGroup@EEonTheWeb.com or for fast action call for a link to the Dealers Only page: 310-534-4456 and mention that you found out about it via Brad Dye’s Newsletter. You have nothing to lose and some great residual income to gain. Call or e-mail NOW. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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PAGING TECHNICIAN Mark Hood mehood@cox.net Telephone: 757-588-0537 Paging Field Engineer/Electronic technician in the Hampton Roads, Virginia area. Download resumé here. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 AAPC Mission Statement To represent paging carriers throughout the United States to ensure the success of our industry by:
Our industry must move forward together or we will perish individually. AAPC links:
| High-speed simulcast paging with protocols such as POCSAG and FLEX™ requires microsecond accuracy to synchronize the transmission of digital paging signals.  Zetron's Simulcast System uses GPS timing information to ensure that the broadcasted transmissions between the nodes of the Simulcast System and associated transmitters are synchronized to very tight tolerances. This system is ideal for public or private paging system operators that use multiple transmitters and wish to create new paging systems or to build out existing systems into new regions. For more information about Zetron's High Speed Simulcast Paging System, the Model 600 and Model 620, go to: www.zetron.com/paging.
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Prism Message Gateway Systems Your Choice of Options
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|  MAXPage
Commtech Wireless introduces MAXPage, a desktop paging terminal packed with features. Alpha, Numeric, Tone, & Voice Serial Interface Telephone Interface Alarm Inputs Features*
*Some of the features listed are optional and are not supplied as standard For more information, simply fill out the feedback form or contact us on the details below.
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Download Mr. Mercer's resumé. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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|  Wireless Communication Solutions The Hark ISI-400LX is a hardware device that encapsulates serial data into TCP/IP for transmission over the Internet. It can also be configured to convert incoming TAP messages from the serial port and send them over the Internet to paging providers in email (SMTP) or Simple Network Paging Protocol (SNPP) format. The ISI-400LX with the optional external modem can connect to a secondary dial-up ISP when a failure on the ethernet port is detected.
This device is the perfect companion for the Hark Gateway products. An ISI can be located at a remote location for receiving TAP, TNPP, or Billing traffic using a local ISP eliminating long distance phone charges.
System Features & Benefits:
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Daviscomms USA Inc. is your direct connection to Daviscomms (S) Pte Ltd., the leading pager manufacturer in the world with many years experience in Engineering, Design, and Manufacturing of highly-reliable, premium-quality FLEX and POCSAG Alphanumeric and Numeric pagers. Daviscomms offers unparalleled quality, features and functions. We perform our own stringent quality testing as well as certification by Underwriters Laboratories (UL) to meet all of their standards. All of our paging products meet FCC and IC Standards for use in the USA and Canada. Our manufacturing facility, located in Malaysia, is a 40,000 square foot, state-of-the-art facility. Customers, globally, choose Daviscomms for our QUALITY, RELIABILITY, ON-TIME DELIVERY, COMPETITIVE PRICING and our TOTAL COMMITMENT to providing the best value for their needs.
At Daviscomms, we are proud to provide our customers with end-to-end manufacturing solutions while delivering superior quality and support. Daviscomms is at the forefront of the industry with its commitment to leading-edge technology, cost-effective manufacturing and the highest degree of customer service. Daviscomms delivers low cost, high volume manufacturing solutions to our customers. We help maximize time-to-market objectives while minimizing procurement, materials management, and manufacturing costs. For information about our contract manufacturing services or our Bravo-branded line of numeric and alphanumeric pagers, please call Bob Popow, our Director of Operations for the Americas, 480-515-2344. (Scottsdale, Arizona) or visit our website www.daviscommsusa.com.
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The Advisor II pager's alphanumeric four-line display and expanded functionality incorporate many of the most advanced paging features available. A major advantage of the Advisor II pager is that it is synthesized which enables the user to program the pager to a specific frequency in the field. Other features of the Advisor II pager include: 
The LS355 numeric pager enables users to receive a "call-back" number that can be returned at the user's convenience. This pager has a one-button design for ease of use. Features of the new LS355 pager include: 
