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iPhone 4G, Data only + VoIP, Google Nexus One coming to Canada?

Image from PC World

Ok, so VoIP over 3G isn’t quite there, but 4G is not far off.

It would seem that Apple believes 4G is ready for voice and video calling in Korea at least. According to a Korean blog, Korea Telecom will be deploying the iPhone 4G in June of this year. The new device will sport forward and rearward facing (5-megapixel) cameras, an OLED screen and a video calling service.

It occurs to me that with all that is going on in the mobile space, at least one of the providers would have come to market with a data only + VoIP offer. Well, there is still a chance that might happen, in Canada. If we look at the recent spectrum auction it is plain to see the potential players who could bring the Google Nexus One (N1) to market in Canada. It seems that there are only 2 possibilities; DAVE wireless or Wynd Mobile.

Since Wynd has launched there has been no mention of the N1, so maybe it’s DAVE wireless that is bringing the N1 to market in Canada? Will we see a data only offer? One can only hope.

I am an iPhone 3GS user now, but I would jump ship in a heartbeat if I could get decent coverage at a decent price with 3.5/4G + VoIP service of my choice. This seems like such a no-brainer and could seriously disrupt the industry. Let’s get on with it already!

Vonage Mobile iPhone and iPod apps built by Truphone

There were a few rumblings related to this in the comments on CNET’s coverage of the Vonage Mobile VoIP service back in October.

by davismitch October 5, 2009 7:18 PM PDT
Does anyone notice that this is the same GUI (on the website and for the iPhone app) as Truphone…did they buy the Truphone app and re brand it? And yes…why is this app okay but not Google Voice…come on Apple and AT&T, what gives!

Hmm, I think this might shed some light on things…

Here is a screenshot I took today while trying to sign into the Vonage iPod Touch app with my Vonage Mobile user info. The same credentials I used to create an account via the Vonage Mobile iPhone app. It’s also the same error I get with Truphone iPod app under the same circumstances, no surprise there.

I can’t find any details regarding the relationship between Vonage and Truphone. My guess is that Vonage did a private label deal with Truphone and this screen snuck by the QA/Testing group(s).

Looking for PHP (or RoR) rock star for dev lead on exciting new (funded) VoIP-centric web app

Looking for a contract PHP (or RoR) rock star for dev lead on exciting new (funded) VoIP-centric web app. I expect it will be no more than 6 weeks work. Email erik@sipthat.com for info.

The year VoIP came back from the grave.

update: FCC sees VoIP as the future.


I don’t want to go on the cart!

Some of you may remember rumblings in the blogosphere, “VoIP died or VoIP is dead” around this time last year. Whatever the context, I think it should be clear by now the VoIP is not dead, nor dying. As a matter of fact, VoIP has never been less dead.

Some may argue that I am taking some of those statements out of context. Semantics. Some said “buddy list” centric calling is the future, hence VoIP is dead, again – semantics.

Call it what you like, VoIP is here to stay, Mobile VoIP is only just getting started.

Give it 5-10 years (not long considering the PSTN has been around for more than 100 years) and everything will be * over IP, including Voice and Video.

iPhone Video to launch at WWDC?

Update: Yes, it was indeed launched and it’s called the iPhone 3G S but no video calling as yet.

There are rumors abound regarding the next release of the iPhone, every tech blog known to man is all over this like a fat kid on a smarty.

The iPhone 3.0 SDK has pretty much been proven to support video so a iPhone Video product seems to make sense. What kind of video? Recording full frame video is one thing but transporting that over 3G is quite another. My guess is it will not support real-time streaming or video calling on 3G, the question is will it deliver the goods on WiFi.

It will be interesting to see what happens at WWDC (running from the 8th to the 12th), the new iPhone is sure to launch at this event.

SIP Trunking and Hosted PBX in Canada will speed HD Voice for small business

SIP trunks are simply another way of saying VoIP Provider for your phone system. A SIP trunk is a connection from a PBX (phone system) using SIP (Session Initiation Protocol) to an ITSP (Internet Telephony Service Provider).

It might sound complicated but it’s really quite simple, SIP trunks take the place of your legacy telephone company. Most phone systems out there today are more than a couple of years old and are likely based on circuit switched technology. Newer IP-PBXs use packet switching technology, which means they leverage the Internet to deliver the same features you have now, and then some. The difference could be minor or major depending on what your PBX is capable of and what your ITSP can deliver in terms of features and functionality.

Since the PSTN (public switch telephone network) is tied to aging circuit switched technology it has limitations in terms of what media it can support. Essentially, it can deliver low quality voice, that’s it.

SIP Trunks replace older PRI and POTS interfaces that we are used to and bring to the table a wide variety of communications options. Depending on your IP-PBX and your ITSP you could potentially look forward to HD (High Defenition) Voice and potentially HD Video.

HD voice (and video) for small business in Canada will happen, it’s only a matter of time. As broadband providers increase upstream bandwidth and dual WAN link-failover devices become common place, SIP trunking will accellerate in growth and on-net (calls made on the ITSP network) HD Voice will become common place.

Unfortunately, HD communication off-net (eg. PSTN) is not going anywhere at any great speed. Jeff Pulver is back as he reboots the communications industry with his new HD Communication Summit. I welcome Jeff back with open arms, if anyone can convince operators to increase speed towards wide-band/HD adoption it would Jeff Pulver.

Today we can see SIP trunking providers and hosted pbx providers supporting wideband codecs and devices on their networks. This will allow user to communicate in high definition with other users that have devices that support it, in brief you could have better calls between you and your colleagues in the office and remote office workers connected to the same PBX, and that is a step in the right direction.

How much bandwidth do I need for Response Point? G.711 vs. G.729

G.711 is the default audio CODEC for most Response Point phones and requires approximately 90Kbps bandwidth upstream (your voice going out) and 90Kbps bandwidth downstream (your caller’s voice coming in).

To calculate peak usage take the peak concurrent callers x 90Kbps. For example: 5 concurrent calls x 90Kbps = 450Kbps is the required bandwidth for each direction. Keep in mind, this does not account for VPN usage for remote users or voice mail to email etc.

As an example, if you have a 1Mbps ADSL connection from your service provider, you might have an upstream bandwidth of approximately 700 Kbps. A conservative approach is to estimate just over half of the upstream bandwidth is available, ISPs generally over-sell their bandwidth. In this case, you could safely support 4 simultaneous G.711 calls if you were not doing anything else (e.g. downloading email, listening to online radio, downloading large files, etc.) on that connection.

The SMB Digital Voice network also supports G.729, which uses approximately 20Kbps bandwidth upstream (your voice going out) and 20Kbps bandwidth downstream (your caller’s voice coming in) for each call. G.729 provides very good call quality while minimizing bandwidth usage. The only noticeable difference would likely arise during on-net calls (calling other users on the SMB Phone network). G.711 offers a higher quality on-net call because G.711 does not compress audio, but as soon as the the call is handed off to the PSTN the call quality between G.711 and G.729 is hardly noticeable.

G.729 offers some real benefits, the most obvious is the 400% decrease in bandwidth capacity requirements. G.729 also handles Jitter more efficiency during times where low bandwidth / high congestion would likely render a similar call using G.711 unintelligible.

You can force your phone to use G.729 on Response Point handsets but some are harder to configure than others. For example, on Aastra 675x phones the global SIP settings are grayed out out via Javascript on page load making it tough to set the codec.

As a general rule of thumb, we like to recommend an independent broadband connection that you can use for Response Point. You may want to acquire a router that has dual WAN link failover, VPN Server (for remote sites) and some QOS traffic shaping functionality.

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