One thing I wish for in my quest for perfect Internet phone service the ability is to fix voice quality problems on the fly or at least be able to understand “is it me or the network?”

When I had Vonage service, I usually started the converation with “So how do I sound, can you hear me?” Many times there was such a delay that practical converation was impossible. If I was at my computer, I’d try quitting applications to see if that helped (usually not). After hanging up in frustration, I’d try messing with the dreaded ”Bandwidth Saver” feature. But in my opinion, AFTER the call is way too late.

Is it possible to build intelligent applications that KNOW when they’re not performing optimally and can tell you what the problem is, or better yet advise how to fix it?

No sooner had I written this when Peter Csathy, CEO of SightSpeed, let me in on a little secret (okay well it’s not actually a secret…), SightSpeed detects when your video or voice call isn’t going so well and automatically makes adjustments to improve the quality.

For example, a video call that appears jumpy or out of sync with the audio could be caused by network congestion. SightSpeed can downsize the bandwidth usage for video so that at least the voice aspect of the call is preserved or improved. SightSpeed lets you know it’s doing this by popping up a dialog box that says it’s making these adjustments. I don’t know if you can you make adjustments yourself DURING a video call, but you can easily see your upload and download speeds while talking to someone.

To see SightSpeed statistics: 

With your mouse hovering over the SightSpeed title bar,  press CTRL + S (or right mouse-click followed by CTRL + S). A statistics dialog box appears showing your current, peak and average bandwidth usage.

Gizmo Project has a Call Quality Assistant (click the bar graph in the bottom left of the Gizmo Window) that gives you an idea of your network conditions. While it shows you at a glance the quality of your connection, it doesn’t say what you should do about it and at this point in my life, that’s what I need.

 

TheVOIPGirl.com’s had another nice welcome from PhoneBoy (no, we’re not related), a prolific VOIP, telecom and technology blogger with an affable writing style. He explains things…

Check out his review of GotVoice and you’ll see what I mean. GotVoice is an interesting service that takes voicemail messages from different voicemail services (including VOIP ones) and sends them to your email inbox. You get convenient access to all your voice messages in one place. He also points out a few shortcomings of TheVoipGirl.com that I hasten to address. Thanks PhoneBoy!

Well, after eight uneventful months, Vonage and I are parting ways.  Perhaps not the most auspicious way to start off a blog about VoIP but I’m being honest here. I’m not going to go into a big rant. Flame throwing just isn’t my style. I don’t hate Vonage. The service just wasn’t financially making sense for me. The phone usage in my business isn’t enough to warrant a fixed monthly plan, even one as low as $24.99. Plus in my area the call quality wasn’t pristine. And some people do get excellent voice over Vonage. But I generally experienced crackling and lag on most calls.

If anyone has comments on Vonage quality in their area, let me know.

From the Vonage forums, it’s clear that call quality varies tremendously from region to region. My advice is that if the VOIP service, Vonage, SunRocket or whatever, isn’t what you expect, try something else. The VOIP marketplace is growing by leaps and bounds, and as a consumer you should shop around.

But now that I’ve done Vonage, it’s time to move on over to other VOIP solutions. Skype, SightSpeed, and Gizmo are the free ones on my radar and make the most sense for me given my business.

Iristel is the first to bring HD VOIP to Canada.

Whoa…I don’t think I can handle this. We just recently enduring a long and arduous process of researching and purchasing our first “big” screen TV with…heaven help me…HD-high definition. You see in Canada it’s important to actually see the puck when the Canucks are playing. Apparently this is impossible on a 21″ tube TV with a pink stripe across the top of the screen. (Who knew?)

Maybe fellow bloggers can help me out here, but is HD VOIP something that consumers should consider when choosing a VOIP service, or is it more marketing lingo to work through? As I understand it, HD, high definition, or wideband VOIP refers to voice sampling at 16 kHz rather than at the measley 8 kHz supported by the PSTN and just about everyone else. If you capture voice with a wider spectrum of frequencies, the quality is better. They say it’s like comparing the quality of AM and FM radio. (See this article from voip-info.org).

Sounds good to me, but the catch is you have to have HD end to end in a VOIP call. It’s no good having 16 kHz at one end and 8 kHz at the other. In fact, 16 kHz downsampled to 8 kHz (which happens if you are calling a landline) may sound worse than 8 kHz from start to finish.

So I guess you can make the argument that HD or wideband VOIP is wasted on the masses when most calls travel partially over the PSTN or use VOIP networks using an 8 kHz voice capture process.

Laptop magazine has a review of Fring, Talkster, Nimbuzz and Barablu. These four apps turn your good old cell phone into an internet phone and more. Of the four, Nimbuzz is new to me and Barablu I haven’t tried yet. Fring and Talkster I’ve used and quite like, although I think having a great handset makes all the difference. I wouldn’t bother with any of these if I didn’t have the Nokia N80i to test with.

The review does a good job of capturing the typical setup process for all applications, and gives both the pros and cons of usability, call quality and the like. Author Joanna Stern points out that “regardless of which mobile VoIP service you use, you’re going to need an unlimited data plan, which costs anywhere from $5.99 per month (T-Mobile) to $24.99 (Cingular)”.

Edited May 17, 2007:

James Wanless of Talkster clarified for me that their service in fact does not require a data plan:

Thanks James

As a little postscript to that Bye Bye Vonage post, I discovered that while Vonage customer support is 247, if you want to CANCEL their service you have to call during business hours (between 9 and 4:55 Eastern). I’m on Pacific time so it took me three tries. Guess they don’t want to make it too convenient if you plan on jumping ship!

But they were very polite, and even offered me free service for a few months to see if they could fix my voice quality problems. I was tempted, but like most people, I don’t want to spend my time friggin’ around with tech support trying to fix it. It ’s not good use of my time. I want it just TO WORK.

I opted to pay the $50 cancellation fee and just move on…

Reprinted with permission from: www.quickstartvoip.com

In order to use VoIP, both parties need a broadband connection. This is a high-speed Internet, or broadband connection usually provided by a cable or DSL modem. Broadband modems are usually used to connect computers to the Internet, but in the case of VoIP, computers are not necessary.

The simplest form of VoIP is a computer-to-computer voice connection. All that is required for this type of connection is a computer, a headset consisting of earphones and microphone, and VoIP software. Most software packages are free and allow you to connect to any computer running the same software. There is no charge for this type of connection and calls can be made to anywhere in the world.

VoIP software can also be used to connect to land-line phones — that is, phones which are not connected directly to the Internet. This type of call is usually not free but the cost is quite a bit lower than what your telephone company charges. Some VoIP services also allow you to make calls to cellular phones.

The only time that both parties need a particular VoIP software package is when they are making computer-to-computer calls. Parties receiving land-line or cellular calls do not need any extra equipment or software.

VoIP Transmissions

VoIP is based on digital data transmission. The first step in any VoIP call is to convert the analog signal of the human voice into digital data. This is done within an Analog-to-Digital Converter (ADC) that divides an analog signal into discrete steps which are represented by numbers. The next step is to compress the audio data using a codec (enCOder/DECoder) which significantly reduces the amount of digital data while maintaining audio quality.

The compressed digital data can now be sent over the Internet. The data stream must be divided into packets which, besides containing the audio data, also have information concerning their destination and their place in the data stream.

All data that is sent over the Internet is encapsulated in ‘layers’ which aid in its proper delivery. For example, web pages may use the Internet Protocol (IP) network layer to specify destination and origin addresses, the Transmission Control Protocol (TCP) transport layer to create a connection between two computers and the Hyper Text Transfer Protocol (HTTP) as an application layer to allow the Web browser to display the web page correctly.

Most VoIP uses a transport layer called User Datagram Protocol (UDP) which is faster than TCP. A commonly used application layer is Real-time Transmission Protocol (RTP) — originally developed for delivering audio and video over the Internet. RTP provides information about the sequence of the data packets so they can be reconstructed in the correct order at their destination.

RTP also has the ability to drop packets if they do not arrive within a certain amount of time. This is necessary for telephone conversations because if the telephone software waited for every packet of information to arrive before reassembling it there would be unacceptable delays in the audio stream.

Even though some of the packets are dropped, there is usually still enough information to make the conversation legible. The number of packets that will be dropped depends on the speed of your Internet connection in the distance between the two parties.

Once the voice data has arrived at its destination, it is reassembled in the correct order and converted back from digital to analog.

 

Hi and welcome to my blog about VOIP, voice over IP, Internet phone, broadband telephone, or whatever you feel inclined to call it. This is NOT a blog about women, or even necessarily about women who use VOIP services–I mean how boring is that. I called it The VOIP Girl because well I’m a gal. And I want to write about this voice over ip. That’s about it. What really prompted me to get going however, is the fact that there are few women commentators on this subject. I’m curious to see if my perspective will be any different.

I want to write about how consumers (that’s you and me) are doing using VOIP.  I don’t necessarily care about IPOs, who’s buying who, and all that insider industry stuff. There are tons of blogs out there talking about all that. In fact I would say that is mostly what you’ll find when you look for VOIP commentary in the blogosphere. It’s great stuff, but really I’m interested in how ordinary folks are using Vonage, Skype, Gizmo, etc., and how is the free stuff stacking up against heavy hitter paid services.

Thanks for stopping by.

Leanne Tremblay
VOIPGirl

Tom Keating recently talked about how to pure VOIP providers like Vonage stack up against the cable and telco companies offering broadband Internet VOIP phone services.

In the article he compares pure VOIP providers like Vonage and Packet8 to telecos and cable companies like Verizon and Time Warner. What do consumers really want? Is cost always the bottom line or are people looking for brand trust, quality of service and reliability over the long haul? His assessment may surprise you.

Click here to read the complete article on his blog.

Who is Tom Keating? He owns the VOIP and Gadgets Blog and is CTO, VP and founder of TMC Labs, one of the leading sources for unbiased opinions and reviews in the VoIP, call center, datacom/telecom industries.

 

If you’re thinking of cancelling Vonage, I suggest you read Tom Keating’s post on cancelling his Vonage service. He recorded the entire call with the Vonage customer service rep (what a rascal), and transcribed it.

All in all, don’t be surprised if Vonage does more than ask you a few questions to get you to reconsider your decision to abandon ship. Like Tom, I decided to cancel Vonage recently (after only about 6 months). My call quality was terrible. While I didn’t get into quite the same pressure cooker, the Vonage rep did try to get me to reconsider, offering a few free month’s service, a chat with tech support, etc.

The rep also tried to make me think I was making a big mistake, a bad decision. I was a little taken aback. When I return something in a store, often I’m asked for the reason for the return. Never do I get into a debate about it. Kind of unnerving.

I wonder if they’d have better success if they just said “I sorry you had this experience with Vonage. It sounds like you’re pretty frustrated. I see why you’d want to cancel. But is there any way I could get you to reconsider? Would you be willing to try a couple more things to fix your problems before cancelling?” And if the answer is No, then the answer is No. Thanks and goodbye.