RF Cafe Software

RF Cascade Workbook 2005 - RF Cafe
RF Cascade Workbook

Calculator Workbook
RF Workbench
Smith Chart™ for Visio
Smith Chart™ for Excel
RF & EE Symbols Word
RF Stencils for Visio

About RF Cafe

Kirt Blattenberger - RF Cafe WebmasterCopyright
1996 - 2016
Webmaster:
Kirt Blattenberger,
 BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:
 AirplanesAndRockets.com

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to Find What You Need. 
There are 1,000s of Pages Indexed on RF Cafe !

Electronics World Cover,TOC,and list of posted Popular Electronics articles QST Radio & TV News Radio-Craft Radio-Electronics Short Wave Craft Wireless World About RF Cafe RF Cafe Homepage RF Cafe in Morse Code Google Search of RF Cafe website Sitemap Electronics Equations Mathematics Equations Equations physics Manufacturers & distributors Engineer Jobs Twitter LinkedIn Crosswords Engineering Humor Kirt's Cogitations Engineering Event Calendar RF Engineering Quizzes AN/MPN-14 Radar 5CCG Notable Quotes App Notes Calculators Education Magazines Software,T-Shirts,Coffee Mugs Articles - submitted by RF Cafe visitors Simulators Technical Writings RF Cafe Archives Test Notes RF Cascade Workbook RF Stencils for Visio Shapes for Word Thank you for visiting RF Cafe!

Telephone, PBX, and VoIP Systems
Manufacturers & Services

Even with cellphones dominating personal and business communications, there is still a huge need for wired systems, especially for in-building PBX applications. Your desk phone will likely still be around for a long, long time.

8x8 | 866-879-8647 | Sunnyvale, CA
Delivers business communications solutions including VoIP phone servicem managed hosting, web conferencing, and unified communications.

AccessDirect | 877-599-6500 | Kansas City, KS
Provides affordable hosted PBX services, business voice mail, and fax services.

AVAD Technologies | 800-733-4136 | New York, NY
Small business VoIP provider of Hosted VoIP PBX phone service.

Call Management Products
800-245-9933 | Broomfield, CO
Manufactures high quality telecommunication products that are designed to enhance telephone line productivity and provide cost savings for your home or business.

Carroll Communications
732-280-3200 | Spring Lake, NJ
Specializes in internet telephony, VoIP and office telephone systems.

ChronosTelecom LLC
480-522-2114 | Scottsdale, AZ
Provides small businesses PBX appliances and phone systems.

Digium | 256-428-6000 | Waltham, MA
Creator, sponsor, and innovative force behind Asterisk, the world's most popular open source telephony software.

FacetCorp | 877-322-3846 | Dallas, TX
Maker of the FacetPhone IP PBX business phone system.

IPsmarx Technology | 800-532-4893 | Reston, VA
Provides feature rich VoIP solutions.

Jive Communications | 866-768-5429
Provides full-featured, affordable IP telephone systems to clients nationwide.

Nextiva | 800-983-4289 | Scottsdale, AZ
VoIP phone systems, virtual fax lines, business phone numbers, PBX trunk lines.

Phone Power | 888-607-6937 | Winnetka, CA
Provides residential and small business service packages, business and hosted PBX service packages.

PhoneSuite | 800-245-9933 | Broomfield, CO
Designs and manufactures high-quality telephone (PBX) systems for the hotel industry.

PBX Interactive, LLC | 888-895-PBXi | Brooklyn, NY
Specializes in business communication systems including, business telephone systems, virtual PBX systems (hosted | managed telephony), small office | home office (SoHo) telephone systems (digital and voip), voice and data cabling (Cat5e | Cat 6), virtual receptionists, virtual call centers and vanity toll free numbers for virtual offices and mobile office solutions.

PBX.NET | 866-446-8729 | Farmington Hills, MI
Provides hosted PBX & broadband VOIP telephone services for business.

Protus IP Solutions | 866-358-6366
Maker of my1voice, affordable virtual PBX phone aervice for small business.

TalkSwitch | 888-332-9322 | Canada
Makes award-winning telephone systems for small offices that handle VoIP and traditional connections with analog or IP phones and an ever-growing set of powerful features.

Virtual PBX | 888-825-0800 | San Jose, CA
Deliver PBX call routing and other functions as a hosted service, rather than a complex piece of hardware that you have to buy, install and maintain. Offers several versions of our Virtual PBX® Service, accommodating a wide range of needs, from a startup or SOHO PBX to large corporate telephone systems and also have a unique disaster recovery/business continuity phone service for companies that already have a PBX.

Vocalocity | 877-862-2562
Provides business VoIP & hosted PBX systems.