2013/11/10

Reposted from Channel Partners Network's LinkedIn Group


Reposted from Channel Partners Network's LinkedIn Group

2013/10/28

VoIP Wireless, P2P and New Enterprise Voice over IP Samrat Ganguly; Sudeept Bhatnagar

VoIP

VoIP

Understand how new network technologies impact VoIP! Voice over Internet Protocol (VoIP) is revolutionizing the way people communicate – both in the corporate world and in personal life. The enormous success of VoIP has led to its adoption in a wide range of networking technologies. Each network technology has its unique features and poses distinct challenges for the performance of VoIP. VoIP: Wireless, P2P and New Enterprise Voice over IP describes the issues arising in the deployment of VoIP in an emerging heterogeneous network environment. Along with a brief overview of the concepts, protocols, algorithms, and equipment involved in realizing VoIP, this book focuses on two areas: quality and performance issues in deploying VoIP over various network settings, and the new mechanisms and protocols in these emerging networks to assist the deployment of VoIP. VoIP: Wireless, P2P and New Enterprise Voice over IP: Discusses the basics of VoIP, VoIP codecs and VoIP Protocols including SIP and H.323. Details new technologies such as P2P technology, VoWiFi, WiMax, and 3G Networks. Explains the QoS issues arising from deploying VoIP using the new technologies. Solves the performance issues that arise when VoIP is deployed over different network technologies. This book is an invaluable resource for professional network engineers, designers, managers, researchers, decision makers and project managers overseeing VoIP implementations.  Market analysts, consultants, and those studying advanced undergraduate and graduate courses on data, voice and multimedia communications will also find this book insightful. 


VoIP

2013/09/15

Best Deal Magazines - $4.69 Magazine Subscriptions

This is an awesome offer for bargain hunters. Best Deal Magazines offers 100+ magazines for just $4.69 for each 1 year subscription. Order for yourself, family, friends and business associates. All you pay is $4.69 for each 1 year subscription. Order as many as you like - the total potential savings is approximately $1,000. This offer is valid on new, gift and renewal subscriptions. In addition, unlike many other magazine websites, Best Deal Magazines does NOT automatically renew you at a higher rate after your subscription term is finished. To clear up any potential confusion, make sure you choose from the "$4.69 Subscriptions" category. In addition to the great $4.69 offer, Best Deal Magazines also offers 900+ magazine subscriptions at savings up to 95% off the cover price. Check it out at BEST DEAL MAGAZINES!

2013/09/02

ARTICLE: US leads Australia in hosted IP-PBX adoption - WhaTech

Quote...

In compiling the Australian and US editions of the global report, Ovum interviewed 48 large businesses with headquarters in Australia and 54 Australian employee users of UCC. In the US the figures were 129 large businesses with US headquarters and 108 employee users of UCC. All participating companies in both countries had more than 1000 employees.

Read more about WhaTech.com.

Computer Vision Syndrome

Eye Health

Computer Vision Syndrome

Anybody who spends 2 or more hours a day using a computer may potentially suffer from Computer Vision Syndrome (CVS). The symptoms can be quite varied but generally include some or all of the following:

  • Headache – due to eye-strain
  • Aches & Pains – especially of the shoulders and neck due to poor posture at the computer because the wearer is sitting at an unnatural position/angle in order to obtain good vision
  • Dry Eyes – due to reduced blinking
  • Tired Eyes –due to strain focusing on the screen
  • Blurred Vision – due to decreased tears and focusing difficulties

Some or all of these symptoms should send you to your eye-doctor. He/She will likely confirm the diagnosis with or without the aid of a specialized computer vision screening test. They will then most likely prescribe a pair of computer glasses. In the simplest cases, these may comprise single-vision glasses with a low “plus” power addition that provides slight magnification, a light tint (possibly rose or gray) to make reading more relaxing on the eyes, and a UV coat to reduce harmful radiation from the screen. These computer glasses may alleviate many of the above symptoms. In addition, to alleviate your symptoms you should always follow these basic steps:

  • Ensure you have adequate and appropriate lighting – eyestrain occurs when the light coming from outside or inside is excessively bright. You should reduce exterior light by drawing shades/blinds – this will make the monitor easier to read. Reduce interior light where possible also.
  • Adjust the screen brightness & contrast on your monitor – make sure the contrast is optimized for readability of text and the brightness is adjusted for maximum comfort
  • Minimize glare – keep obvious light sources away from areas where reflection will be a problem. Use an anti-glare filter on the screen, or consider an anti-reflective coating on your glasses

Finally, the problem of dry scratchy eyes will often require treatment with eye drops, supplements, or in extreme cases treatment with punctual occlusion (a procedure in which the tear-duct drainage points in the eye are partially blocked to allow tears to remain for longer periods in and around the eyes).

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2013/08/30

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2013/07/09

Faxing: Then and Now

What happened in the year 1843 that would eventually impact your working life? The fashion re-emergence of the hoop dress you say? How about the publishing of “A Christmas Carol” by Charles Dickens? Though you may be of the strong opinion that the only way your boss could become less of a “Scrooge” would be through ghostly intervention, you are, unfortunately, missing the mark.

1843 was the year a Scottish inventor, Alexander Bain, developed the original concept still used in fax machines today. Though Bain’s invention – the chemical telegraph – wasn’t actually patented until December of 1846, he is still considered the “father of the facsimile.” Other inventors such as Italian physicist Giovanni Caselli and American inventor Elisha Gray also made later contributions to the development of modern fax machines, however Bain is still considered the main man.

Flash forward to 1994. While the North American Free Trade Agreement (NAFTA) was going into effect and Tonya Harding’s accomplices were focusing on Nancy Kerrigan’s right leg, a young, international recording artist grew tired of missing important messages and faxes during his many travels. Drawing on his high-tech background, he set about inventing an integrated messaging network that would deliver faxes and voicemail via an already-existing, universally-accessible channel: the Internet. The artist was Jaye Muller, and the vision he developed swiftly grew into JFAX.COM, a multi-million dollar corporation that offered nothing less than a dramatic lifestyle upgrade in the way people communicated and did business in the 90s and beyond.

JFAX.COM was the world’s first and only integrated messaging capability, coupled with the ability to assign users local phone numbers in any of over 50 locations worldwide. It linked email to every fax and every phone in the world, fulfilling the dreams of the universal inbox and the virtual office. Seeing the incredible value of JFAX.COM, j2 Global Communications, Inc. purchased it in 1995 and, as a result, eFax was born.

Today, eFax is the #1 paperless faxing choice of individuals and businesses worldwide. eFax offers local and toll-free fax numbers that are tied to your email, as well as tiered faxing solutions – from free to Pro service – that meet any faxing need.

If you’d like to know more about how eFax works, sign up for eFax today and see how easy faxing can be.[]

2013/01/07

VoIP Product Listings

Each

HP VoIP Phone - Each

Manufacturer: HP. Each. The full-featured, SIP-based HP 350x IP Phone Series meets the diverse communications needs of organizations of all sizes with a full range of call-handling features and functionality that encourages collaboration and increases productivity. All phones support digital labeling, PoE, four-way navigation controls, and are available with high-resolution backlit and color TFT displays. In addition, they deliver rich, full body, wideband voice clarity with full-duplex speakerphones, as well as offer intuitive interfaces, Gigabit Ethernet support, and environmentally friendly power-save options. Ideal for common areas and everyday desktop business use, the phones are the perfect solution for knowledge workers, departmental administrators, and teleconference participants with intensive communication requirements. Product Type: VoIP phone Compatible Platforms: 3Com VCX IP Telephony Platform Main Features: Multiline support, integrated Ethernet switch, Power over Ethernet (PoE) support VoIP Protocols: SIP Voice Codecs: G.729ab, G.711u, G.711a Lines Supported: 2 lines Speakerphone: Yes ( digital duplex ) Caller ID: Yes Display: LCD display - monochrome Network Ports Qty: 2 x Ethernet 10Base-T/100Base-TX/1000Base-T Manufacturer Warranty: 1 year warranty Customers also search for: Discount 3500B IP Phone - VoIP Phone, Buy 3500B IP Phone - VoIP Phone, Wholesale 3500B IP Phone - VoIP Phone, JC505A, VOIP and Skype Phones and Accessories


AirLive - VoIp-440S SIP (Session Initiation Protocol) VoIP Gateway Router 4 FXS

AirLive - VoIp-440S SIP (Session Initiation Protocol) VoIP Gateway Router 4 FXS

Airlive VoIp-440S SIP (Session Initiation Protocol) VoIP Gateway Router 4 FXS (Foreign eXchange Subscriber) ports, quality voice and real-time fax data over IP networks, Call Control Protocol, Voice Function, Web Management.