VoIP phone issue – solved

DIP phone450So I managed to secure this Targa DIP Phone 450 from eBay the other day which is a rebranded Siemens Gigaset C450 IP phone – even the Siemens firmware will run on this phone.

It’s a normal DECT-based cordless phone which also has a VoIP module for (unfortunately only one) VoIP line. That’s Voice-over-IP, internet telephony, meaning that we now have a local telephone number and do not have to rely on mobile phones only (cheaper and more reliable).

The interesting part and reason why I’m blogging this is that the phone is connected to a very cheap Edimax access point, which amplifies the WiFi network from the basement up to our little flat under the roof and thus acts as a repeater (for techies: without activated WDS!):

incoming DSL line <=> Fritz!Box DSL modem/router <=> Wi-Fi <=> Edimax Repeater <=> LAN <=> base station phone <=> DECT <=> handset

I didn’t have to change any settings on both the Fritz!Box modem/router and the Edimax repeater, but instead only had to type in my VoIP details on the mobile base station via a local IP address and was ready to go within a few minutes. Now that’s extremely cool as it just works out-of-the-box – the way it’s supposed to work.

As mentioned earlier, the initial plan was to obtain a WiFi-based phone but this solution via LAN & DECT is much more elegant. I think that most WiFi connections are not as stable as a dedicated DECT line, even though they operate under similar conditions (yeah, ok, DECT is pulsed + in a better/lower frequency range + max 250mW).
In other words: a dedicated WiFi based VoIP solution (e.g UTStarcom F1000) would probably just be as good as my Nokia N95 – coming with a weak antenna position and WiFi module which imho is the initial reason for the relatively poor WiFi performance of the N95 (as compared to the Nokia E71).

VoIP is one sweet technology. Not perfect – but ideal for technomads like me.

alles Sondermüll

vlcsnap-1088816

Eine sehr gute Dokumentation von Kathrin Latsch namens “Die grüne Revolution” über Braungart/McDonough, den Stoffkreislauf für technologische und biologische Nährstoffe und mit jeder Menge guter Praxisbeispiele – die vom NDR leider auf den unmöglichsten Sendeplatz überhaupt gesetzt wurde: in der Nacht vom Montag auf Dienstag, 15.-16.12, morgens um 3:40 Uhr.

Michael Braungart wies uns letztens auf den Sendetermin hin, also schnell den Online Videorekorder programmiert und schwupps ist die Sendung auf dem eigenen Rechner. Wer eine Kopie der Dokumentation für den Privatgebrauch haben möchte – bitte bei mir melden. Sind 460 MB, DiVX-Qualität.

Was Ihr auf dem Screenshot seht, stellt den Windelbedarf eines Kindes während des ersten Lebensjahres dar. 1800 Stück. Wären die Windeln alle biologisch abbaubar, würden sie später nicht als Sondermüll enden. Braungart sagt in der Dokumentation u.a., dass das Feuchtigkeitsbindemittel in den Windeln beispielsweise auch zur Begrünung von Wüsten in Spanien eingesetzt werden könnte.

Unter anderem erwähnt er auch, dass 2/3 des Kohlstenstoffs in den Böden vorhanden ist – und weißt damit auf das Problem des Humusverbrauchs hin. Brennstoffe aus Biomasse? Gerne, aber nur dann wenn für die Anpflanzung von Zuckerrohr – aus dem in Brasilien u.a. Bioethanole hergestellt werden – keine Wälder gerodet werden. So gesehen ist der ecosan Ansatz das fehlende Glied in der Nährstoffkette – Fäkalien und Urin werden entweder getrennt gesammelt und kompostiert bzw. als Dünger eingesetzt, oder zur Gewinnung von Biogas vergoren und danach vererdet.

Vor allem aber wird auch in dieser Dokumentation (siehe die andere aus den Niederlanden) deutlich, dass Umweltschutz und gutes Wirtschaften sich nicht gegenseitig ausschließen, sondern gut ergänzen können. Genau diesen Ansatz verfolge ich auch mit meiner Diplomarbeit zum Thema “sanitation as a business” – gute Sanitärversorgung bringt wirtschaftlichen Mehrwert und eben nicht nur mehr Würde. Alleine schon aus volkswirtschaftlicher Sicht ist eine durchdachte Sanitärversorgung (nicht -entsorgung!) förderlich – man denke an all die Menschen, die aufgrund von Krankheiten (hervorgerufen durch mangelnde Hygiene, Toiletten, etc.) nicht am Arbeitsleben teilnehmen können. Dies betrifft alle Menschen auf diesem Planeten.

Unser kleiner Studienstandort Suderburg wird in der Dokumentation übrigens auch erwähnt. Und auch hier zeigt sich, dass Suderburg eben nicht nur im Wasserbau einen guten Ruf hat, sondern auch durch Experten wie Braungart überregional bekannt gemacht wird. Bleibt nur zu hoffen, dass die Kollegen vor Ort die Chance nutzen und ihr Studienangebot dementsprechend anpassen.

request for WiFi-based VoIP phone

E 10768479I am currently looking/searching for a simple cordless VoIP phone that may be used at home and ONLY connects to the local Wi-Fi/WLAN (802.11). Are there any such models on the market? A few, it seems, but still too expensive or with too many extra options.

What I want is to set up different Sipgate.de telephone numbers / VoIP profiles to such a device because the Fritz!Box 7141 DSL modem/router down in the basement only provides output to two analoge phones. And while you can set this advanced and very popular Fritz!Box system to accept more than just one internet VoIP number, one can only connect two physical phones via cable to the box (at least something, right?). These two lines are already blocked by the landlord’s phone + his AIO printer/fax machine. And his internal phone system is also analog and dates back to 1993. I could of course also try to hack the Fritz!Box (which is in fact a full computer and based on a “Linux”-system) and add an AsteriX PBX that takes care of the routing process, but I actually don’t want to change the existing system. And adding another Fritz!Box would provide at least two more “lines” to which I could connect normal wireless phones and define these VoIP profiles right on the Fritz!Box (both boxes connected via WDS). This doesn’t make much sense though, as I’d already bought a simple WLAN AP the other day which acts as a repeater to cover the area under the roof of the house (where I live).

The alternative would be to use a mobile phone like my Nokia N95 which already comes with WLAN/Wi-Fi connectivity and allows for different VoIP profiles to be set up. However, I think that most of these Wi-Fi enabled mobile (GSM) phones only have a very weak antenna and rx/tx ratio, resulting in frequent signal losses unless of course you’re standing next to the access point. Plus, the N95 is a mobile and is with me all the time – while a much simpler Wi-Fi-only cordless phone like the above pictured Siemens SL75 WLAN could remain at home and provide telephony to the home office.

What I really like about VoIP is that you can take your number with you – and as long as customers in Germany often still pay much more to call a mobile line than a fixed line, it’s way smarter to also offer a fixed line number (like the one I was provided by sipgate.de for free some years ago) to your customers.

Again, any advice/comment on this issue is highly appreciated. Thx!

Auf Deutsch: ich suche ein reines Schnurlostelefon, das sich über WLAN mit einem Access Point verbindet und verschiedene VoIP Profile akzeptiert. Irgendwie hat es seit 2006 keine wirkliche Entwicklung auf dem Markt gegeben, aber vielleicht irre ich mich da auch. Eine reine USB-Lösung setzt leider immer einen aktiven Rechner voraus – und da kann man dann genausogut via Headset telefonieren und sich zB den (ebenfalls vorhandenen!) USB Hörer von Sipgate sparen.
Über WLAN deswegen, weil die beiden FON 1&2 Leitungen an der Fritz!Box schon belegt sind und eine Erweiterung der Anlage damit nur noch über Funk & VoIP möglich erscheint.

Die Kombination aus WLAN Telefon und 2. access point (der das Signal der Fritz!Box ausm Keller bis unters Dach verstärkt) funktioniert schon mal – nur eben nicht so super, da die Antenne / Funkverbindung im Nokia N95 bauartbedingt schwächer ist als es ein reines WLAN Telefon wie das oben abgebildete Siemens bieten könnte.

NUTEC – cradle 2 cradle fair

I’ve just come home from attending “Nutec” today – an international congress and exhibition on “Nutec: Nutrients – Upcycling – Triple-Top-Line-Eco-effectiveness-Community” that took place right here in Frankfurt am Main, Germany during the last three days.

Nutec is all about nutrients that will remain in a biological or technical loop, or as the tagline on their website reads: “Everlasting Cycles: How Waste becomes Food”.

Nutec was partly organized by EPEA which is run by Prof. Dr. Michael Braungart – who is the B in MBDC (McDonough Braungart Design Chemistry) – an international consulting company that tries to a) sell the philosophy of the so-called Cradle to Cradle (C2C) concept and b) tries to achieve this by convincing companies to obtain a C2C certification.

14112008147
closing the loop on technical and biologial nutrients

Since Michael was my professor at university and since I a firm believer in this philosophy of closing the loops (which is one of the reasons I started becoming active in the field of ecological sanitation), it was particularly interesting to see how this event was set up, where the aims are, what kind of visitors it would attract and what any possible outcomes are.

Those of you who frequently visit other green blogs like Treehugger.com, know that C2C is a “sexy” and already very popular approach at dealing with the protection of our environment. And those who have read McDonoughs & Braungart’s famous Cradle to Cradle book often agree that their idea of another industrial revolution actually is the way to go. Maybe not at once, but in small steps and by starting today. I have even convinced some older folks in the business who have a very green background of this new approach. Especially since this whole green movement has been active here in Europe way back in the 1980s when our US-American friends only had green flower people – so opinions on “what needs to be done” had already been settled, with the usual discussions. Unfortunately, green activists had in the past often only experienced a negative image, partly due to their bad rhetorics. You simply can not tell anyone he’s doing someting bad if your only solution is to advice him on doing less (bad things).

McDonough & Braungart both achieved to market their idea of another industrial revolution, where they are asking companies to redesign their products into greener products. Products whose materials remain as nutrients and may then be reused for another purpose. I won’t go into more details here because I’ve blogged about this subject more than once during the last three years and there are various other resources online that give a much better insight into the subject.

14112008149
Trigema – Germany’s famous manufacturer of clothes who produces compostable shirts right here in Germany. The CEO of Trigema was present at their booth and really impressed me. Talking about Corporate Social Resposibility – big up for Trigema!

Back to the Nutec exhibition: this year’s event was a trial set up by EPEA to see / test how the public and international scene reacts. Messe Frankfurt, the world’s largest trade fair organiser, actually accepted a loss of 1,2 Million Euros to host this event – provided that EPEA/ElcaMedia continues to invite to another Nutec conference & fair, maybe next year in Hong Kong.

And this is what it was all about: an international event, hosted to pool interested visitors and their contributions, with about 60 exhibitors (this time only) that showcasted some of their ideas and approaches. And mind you, the idea behind all this is not to display eco products, but instead show the world that a better world is possible with economic incentives. After all, no company in this world will change its products only because of some environmental concerns. Instead, there’s money to be made out of this – analyzing your material flow streams and processes will help you (as a company) to save on lots of hidden costs you may not have been aware of. So instead of telling companies to stop polluting the environment, these guys invented the C2C certification which provides a detailed analysis of production processes and shows them a way forward.

14112008150
Backhausen – an Austrian company producing returnable fabrics. These guys were certified with a GOLD C2C certificate for their products.

The C2C certification has in the last few month also received some criticism online, especially as portrayed in this story on FastCompany last month. Despite of some personal resentments some CEOs may have with MBDC, the C2C certification is a smart way to cash-in on environmental protection, as it helps everyone involved.

For some reasons, which may also include this 49-minutes long documentary on MBDC, the C2C philosophy has become very popular in The Netherlands lately. It probably also is one of the reasons why Nutec this time attracted many Dutch exhibitors – green start-ups that are often looking for investors and who have some very smart ideas.
Braungart is a German though, and when I look back at university, I think I am save to assume that only a handful of students really understood his concepts and the importance of his message. It’s like the prophet who’s an outsider at home. I blame this on the German culture, and often wish my fellow countrymen here would be much more open to new ideas and willing to take more risks. So it’s very nice to see the Dutch side being so open to his ideas. We urgently need much more of this enthusiasm in Europe.

Other interesting exhibitors included:

14112008152
Nike – with a small booth displaying their shoe recycling concepts.

14112008154
These guys from Austria run a networking agency and set up a pilot project in the city of Graz where they managed to obtain funds from the European Union that helps them turn the city centre into a greener place. Simple, but smart and making sure to use what’s available (the EU has these grants + there’s a whole industry busy trying to apply for these).

14112008155
XeroFlor – these are the guys that provided the green (grass) roof to the Ford Rouge Center in Dearborn, Michigan, USA – the world’s largest green roof, covering 46,500 m² and thereby protecting the roof from heat and cold, improving the interior climate, saving on heating energy and offering habitat for smaller animals and plants.

I recently visited a friend who lives in a green roof building. If I ever manage to build a house one day, I’ll try to get my hands on such a roof. It’s just awesome! Didn’t ask for a price though.

14112008158

Ron from Redwood Renewables in California who’s offering solar panels integrated into roof tiles. “Redwood has developed the first disruptive environmentally friendly, chemical free, patent protected technology that can inexpensively recycle waste elastomers (tires) into devulcanized rubber high quality integrated solar roofing tiles and molded consumer end products“.

Told him about solar systems being in use in rural Kenya and how popular the system already is over there. For a typical household of 4-5 pax, you’ll need about 417 solar panel tiles on your roof.

Ron is currently looking for investors.

(Funny thing is that I had read about his project before when someone had sent me a link to his one-paged website some time ago and upon seeing his logo (!), I instantly remembered the link from the other day. It’s a small world :-)

14112008160
The famous Herman Miller collection must not be missed on this event. Comfortable and well-designed furnitures (and lamps, visible in the background) that make the difference. The materials used on each chair have been reduced to a limited selection and inspected for their toxicity. That’s the kind of chair you’d want to have for your office. Or?

14112008159
Some other crazy Austrians who invented this new show concept consisting of three different parts. The company name Wexla apparently is a joke on the word “Wechsler”, which would prolly translate to something like “exchangeable”. And exchangeable is what their shoe soles are.
These are prototypes, so don’t be fooled by the somehow strange design.

The idea behind this obviously is to provide exchangeable shoes to customers. I’ve even seen another Dutch company offering a very very nice laptop bag which can be rented for a period of three months and then returned. Could you imagine renting consumer goods instead of buying them? Well – that’s exactly the scenario we’re talking about here. Imagine your desk at work being occupied by someone else so you’ll have to work on another desk. How would you feel about that? Are human beings ready to accept such new habbits?

I tend to compare that with the YouTube Generation that stopped buying complete (music) albums and instead downloads single tracks online. Because it suits their needs.

14112008157
EcoWorx – another US-American product line the “Environmental Protection Agency (EPA) awarded the Presidential Green Chemistry Award for its environmental and performance benefits”.

We walk on carpets almost every day and inhale the abrasion. Think about it!

14112008161
A talented industrial designer at VelopA-Citystyle developed this new bench system created of two different materials, which is currently waiting for an official Cradle to Cradle certification. Appart from the green cover in this 1:2 scaled model above, “the bench is made from one piece of steel, without nuts and bolts, and is less vulnerable to vandalism and damage”.

That’s one those moments where I think: damn, I should have studied industrial design! :-)

14112008153
And this idea, ladies and gentleman, is one of the craziest concepts I’ve heard of lately. But a very good one, indeed.
What you see here as a scaled egg model, is supposed to become a comfy building for expecting mothers who want to give birth to their children in a much better, eco-effective environment. It’s a new type of childbirth centre, so urgently needed in Europe because birth rates are alarmingly low these days and in some European countries, giving birth is only possible in hospitals (and not at home, where you’d probably feel more comfortable). Once investments for this project are secured, they will try to build the first project in Spain.
Obviously, I couldn’t resist telling them about urine diversion toilets that would add a greener side to their sanitational facilities. :-)

————–

These are just some of the exhibitors, and there were only 60 around this time. Maybe there will be 200 next time – featuring innovative products from toxic-free cleaning detergents, healthy toys to edible fabrics and cleaner toner cartridges. Who knows? Everything is possible if you start analysing the products that surround us and realize how much we’re currently poisoning ourselves.

Interestingly, we saw a lot of (industrial) designers on this event – as opposed to traditional engineers which is what you’d prolly expect from an engineering perspective. But then – these designers are the ones to create the demand side, the ones who will have to ask for better materials.

It will be particularly interesting to see where we are in let’s say five years from now – what kind of products will have changed and found their ways into our daily lifes. What seems obvious to me is that C2C is a great marketing tool to promote innovative products for a better world. Oh, and there’s lot’s of money involved.

When will we see the first African C2C certified product?

[n.b.: Talking about environmental matters – what do you do with all these brochures you normally pick up at fairs? Read them at home and then throw them away? Many of the above mentioned projects have interesting brochures but still lousy internet websites. How come? I actually prefer a good website to obtain the relevant information instead of a papered brochure….]

Foniclious

Due to a more or less funny reason, we ended up being bila a working internet connection this morning – 1&1 killed the line within minutes after realizing that a bill of about 50,- EUR (for the 16k DSL line here) hadn’t been paid for by the landlord.

As money transfers usually take some time, I quickly realized I’d have to do something about this state of being without a working internet connection because I currently really need this access for research & work.

fonic

Some weeks ago, the German mobile phone provider Fonic (that resells capacity on the o2 network) introduced a daily flatrate, meaning: you aren’t charged 0,24 EUR /MB, but instead pay 2,50 EUR per day and can surf for as long as you want! The only limitation is that they’ll reduce the speed from HSDPA (!) to GPRS once you’ve downloaded more than a GB of data / day.

Now, paying 2,50 EUR/d for a whole month is too much (30x 2,50 = 75,- EUR), but you’re only charged for the days you’re actually surfing the net. So, obviously, this offer really makes sense for those who want/need to have a location-independent internet connection for a few days only, e.g. if you’re travelling around or if you’re DSL line is offline.

To introduce this offer, they started selling a Huawei E160 UMTS/ 3.5G USB stick, containing a fresh SIM card and with a microSD slot for the proud sum of 99,95 €.

FON407-1

Too much for me, but I do have a 3.5G-capable Nokia N95 which never really lived up this speed until now, as my other SIM card operates on the E+ network which does not provide HSDPA coverage.

Following my aged posts on how-to-use-gprs via Suffericom two years ago, I thought about covering my experience with Fonic as well. Also, I thought it would be interesting to see this direct comparison between Safaricom in Kenya and o2 in Germany – both networks that expanded their own capacity at a similar time. But while operators like Safaricom, Celtel and Zain do not have so much fixed-line competition, DSL via your old-fashioned telephone line is the de-facto standard in most German households. As a result of that, data connections in Germany are not as badly overcrowded as in Kenya.

Getting online via Fonic is quite simple:

  1. bought a Fonic SIM card for 9,95 EUR at a local supermarket
  2. You have to charge it with a minimum amount of 10,- EUR after purchase
  3. called their hotline, activated the SIM and kindly asked them to activate the daily flatrate for me (took less than 2h).
  4. back home on my computer, I just installed the Nokia Bluetooth drivers, set up a Dial-Up BT connection to the phone, entered *99# as the telephone number and went online. Simple as that!

I mean, for the first time ever this really just worked out (= out of the box!) the way I had wished for, so now I am happily browsing the net again and currently searching for a portable UMTS modem that I can use on my computer to substitute the phone (which I urgently need for the other line).

Fonic currently also has a special deal where you enter the telephone number of an existing customer and both – in my case: me & fellow blogger Mzeecedric – are rewarded with a 5,- EUR bonus.

I know that Fonic recently provided free (Huawei E160 surf stick) sets to some bloggers here in Germany. I may have missed that – but all I want is that it works – and right now it does that without any hassle. Let’s hope it stays that way over the weekend! :-)

Oh – did I mention that the Huawei E160 has an extra socket for an external antenna? These sticks are still too expensive here, but something like that is what I actually need. Or maybe a PCMCIA card (albeit being real battery drainers…).

CD vs. microSD

When was the last time you bought a compact audio disc (CD)?

I just can’t remember when I’d actually bought such an audio CD – maybe 2003 or 2004. These days I only receive them a gifts on special occasions or when the content isn’t available anywhere else (such as this nice Mendelssohn recording as pictured below).

cdvsmicrosd

Today’s customers apparently prefer their audio entertainment to come in a digital format that can be copied onto a portable device and carried around. Sure, you can rip an audio CD and convert it into any popular digital audio encoding format, such as mp3. But then, also, there this study somewhere on the internet which concludes that many consumers these days don’t go for complete albums, but instead download single tracks online, either free of charge, for a fee from online shops like iTunes Store or illegal via P2P networks.

I’ve also changed my consumer behaviour on audio entertainment some years ago – as I saw my shelves filling up with CDs that needed storage space. What if I had everything (every single CD) ripped and converted into mp3 format for use on my portable mp3 players and on my computer? I don’t want to own many different physical pieces of recorded media (the CDs), but instead just want to listen to my music. So I did that and now only have a small 2,5″ external hard drive with all my music on it. And since I am not a big fan of iTunes or iPods, I just slot the above pictured microSD card into the reader (attached to the keychain), plug it into a free USB port on my computer and load some music on the card which I can then use on my Nokia N95 mobile phone (which also serves as my mp3 player).

slot music playerYou may have heard that SanDisk – the manufacturer of these tiny memory card – has meanwhile come up with the idea of selling DRM-free mp3 files preloaded on such a microSD card, marketed as slotMusic.

And since not everyone ownes a microSD-compatible player, they’ve introduced a simple mp3 player – the slotMusic player – which may also be branded for popular artists. To push this new format forward, Sandisk also secured support from all four major music labels (EMI Music, SONY BMG MUSIC ENTERTAINMENT, Universal Music Group & Warner Music Group).

It will be interesting to see how consumers will accept this medium and how it will substitute audio CDs. I think, many consumers just want to enjoy the music they’ve bought – either in an old-fashioned way (vinyl, CDs, cassette tapes) or in a truly digital format that’s playable on many different devices and may even be copied. 1 GB microSD cards currently sell for about 3,- EUR in Europe, come at the size of a fingernail, are hot-swapable (the keychain adapter is so sweet! I always keep a LinuxLive version on that 2 GB card) and still offer more memory space than conventional audio CDs.

Also, since even a 1GB microSD card is big enough for audio AND additional files, I think the real innovation here isn’t about giving consumers just another media format, but instead the provision of additional memory space which may then be used for videos or flash animations that can even be played on a portable player. So it’s not only about music, but the extra data contained on such a device that will probably attract customers in future and make the difference.

I know we also had VideoCDs or enhanced mutimedia CDs in the past, but nowadays many portable devices are also capable of playing any additional data (such as flash animations, text, videos, etc.) – so for the first time, this additional feature really makes sense.

From what I’ve read on the blogosphere and seen on TV about SanDisk’s slotMusic approach so far, many ppl are still sceptic as they are currently used to downloading their music directly online, or prefer a CD which they can play on their stereo systems at home. Also, since these microSD cards are really tiny and all look alike, it will be particularly interesting to see how SanDisk will solve these still open issues. For me as a consumers though, this new format is much sweeter than conventional CDs – also since I already own a device that has a microSD card slot.

I am currently using an 8GB microSD card on my N95 – and if I ever need more, I’ll just get another one. Getting the music transferred on such a card is just a matter of a seconds, which is quite convenient if you directly compare that with devices that only have a fixed memory chip (iPhone, iPod, Nokia 6500, and most older mp3 players).

reality mining – as in “let’s face reality”

A rather older news item that triggered my interest, especially since I saw Eagle Eye last night – a Hollywood movie that deals with a super surveillance computer gone wild in a “2001: A Space Odyssey“-sense:

Mobiles are assigned a temporary anonymous number by the network called a temporary mobile subscriber identity, or TMSI, which the phone periodically transmits to advise of its location.

As the phone moves through the different regions served by different base stations, that number changes.

Path Intelligence’s approach, called FootPath, directly detects that TMSI transmission from phones. No access to the mobile networks themselves is necessary, so the information that they glean is specific to a user, but completely anonymous.

The TMSIs can only be associated with a number by the mobile operators and Path Intelligence encrypt the TMSIs that they acquire as an added level of security.

It has been approached by humanitarian workers in refugee camps, where a lack of central planning means it is often difficult to site services such as clinics where they can be best used.

The system will also be useful for researching the layout of, for example, train stations. (source)

Reality mining(Hujambo Nathan :-) – as interesting as it is (I for one would like to use such a system to see where ppl gather in cities to find the ideal location for a public toilet) – tells me that there’s still much more to mobile phone networks than what you may assume it already is. Contrary to the average communication or data connection needs, they also work as passive tracking devices and are constantly carried around by consumers. Meaning?

Mobile phones are as close as companies will ever get to a customer (unless they find a way of smuggling subliminal messages or ads in our dreams – as seen on Futuruma).

If you still believe that the mobile communication sector is just a temporary hype, this should open your eyes for the future. Don’t be fooled by current limited technologies (e.g. crippled mobile browsers) – the technology is going to evolve to a much bigger network of services that provide comfort to its users and valuable user data to some few operators who control the data.

Germany’s T-Mobile recently had a very embarrassing scandal where user data of 17 million (!) customers got “lost” a year ago, including those private numbers of celebrities & other VIPs. And this although there are already very strict data privacy laws in Germany that would normally prevent such a faux-pas.

So, obviously, it’s not only those big players like T-Mobile or Vodafone who provide the necessary mobile communication networks, but instead the few companies that collect all that gathered user data and use it for their own services. Is this good or bad?

Coming back to the initial story: the triangulation method with it’s unique user IDs also reminds me of another AfriGadget-hack that’s prolly already out there – but if not, here’s my 2cent-idea: cheap mobile phones with stripped displays and small solar panels attached to the back cover that are then used as (cheaper) mobile tracking devices in nature preserves. Contrary to the old-fashioned Tx units, tracking equipment could be decentralized as it would rely on the base stations of the network (that, fortunately, often also cover nature parks) and consequently use less energy for a signal.

wilflife-triangulation

I sometimes wonder why I went into the water & sanitation business instead of focussing on my old interest from back in the days… :-)

p.s.: “we are based in the UK and the penetration of cell phones here is 108%, so we pretty much get everybody.” (source)

the perfect N95 headset

The Nokia N95 has been on the market for quite some time now (March 2007?) and if there’s anything I always wanted to change about it, then it clearly is the inappropriate headset it came shipped with (pictured below).

0dfa 1

The HS-45 headset with its AD-43 remote control unit failed to work after 4-5 months in use, so I went out and bought a few ofter solutions that never really performed the way I wanted it. Also, Nokia never really delivered a better solution, but instead kept on producing other unsatifying headsets.

While reviewing the Nokia E71 business phone that came shipped with the HS-47 headset as well as the state-of-the-art BH-903 Bluetooth Stereo Headset (for review), I quickly realized that I would want to have something similar to the HS-47.

What I needed to do was to merge my Sony MDR-818 earphones with the HS-43 headset I had bought via eBay some time ago. After all, what I need in a working wired headset are the following features:

  1. shaped earphones (like on the MDR-818 or the BH-903)
  2. an angled 3,5mm plug because the audio/video jack is on the side of the N95 (contrary to many other current Nokia phones who have it on top)
  3. a microphone located at the mouth and not on the chest
  4. some sort of volume control

So there I went, cutting the 10,- EUR Sony earphones into pieces and opening up the control unit on the HS-43…

SANY1238
some of the tools: a soldering iron (maybe not this Weller as it takes ages to heat up), old Sony MDR-818 earphones, Nokia HS-43 headset

SANY1227
HS-43 control unit opened up

SANY1252
unsolder L+ / L- and R+ / R- to remove the existing earphones + also remove the brass clip on the cable

SANY1253
trim the “new” earphones to the desired length and solder them onto the PCB, refix the brass clip to provide a strain relief on the cable (important!)

SANY1272
Et voilá – JKE’s own headset for the N95 that fulfills all the open issues I ever had with other headsets. Nice!

@ Nokia: PLEASE change your headset policy and – if you don’t want to equip your shipped handsets with decent headsets due to marketing reasons – at least provide us with better alternatives. Headsets are a commodity, and will as such always brake at one point.