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PostPosted: Tue Jan 10, 2006 11:08 pm 
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Joined: Sat Oct 23, 2004 3:55 pm
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Location: In the Merc
PS Andy who are D** ****T? :oops: should say who were they!! :lol:

PS Bill I am no fool in fact I am a very large operator based in London and am very well conected, so I guess you wont be getting much business in this neck of the woods then eh?

:oops: :oops: 8) :lol:

Kind regards

Eric


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PostPosted: Wed Jan 11, 2006 10:29 am 
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You need to lose weight Eric. :roll:

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PostPosted: Thu Jan 12, 2006 12:25 am 
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Hi. It is worth mentioning that PDA's/XDA's are not able to communicate via pmr (the method by which most cab companies communicate with their vehicles). PDA's use GPRS, which is a feature of the mobile phone network. GPRS is good, as you only pay for the bandwidth you use - put another way you are charged for the actual data that is sent, and not charged for being connected to the service.

I've heard it banded around that GPRS costs around 1p per job, so it can be quite cost effective to use, as the cost is probably fairly comparable to pmr when you consider costs such as landlines, highsite fees, etc etc etc.

At the moment however, most firms use PMR to communicate with vehicles - I imagine it will be quite some time until they begin to convert en-mass, although I don't doubt it will happen. Considering all of this, the CT4000 which can roam between GPRS and PMR is not such a bad idea after all.

Consider that although a single companies radio channel does not cover the whole of the UK, where GPRS does, in reality how often are you going to need that sort of range? I agree that this is useful if, for example a driver goes to the airport (which is out of radio range) to drop off, they can be sent a return job much easier. Secondly, the GPRS network is also used by emergency services, and 'normal' mobile phone users. In an emergency, who do you think is going to get most of the GPRS Bandwidth first?

Finally, there is only a certain amount of bandwidth with GPRS - the more applications using it, the more data, the less there is to go around - that is without building more and more mobile phone masts outside your house.

By all accounts, CT4000 data units are out in two firms in the UK, a couple in Spain and are (this month apparently) being officially released to the whole of the UK. Who knows for definate though :)


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PostPosted: Thu Jan 12, 2006 11:51 am 
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Joined: Thu Jun 23, 2005 8:26 pm
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Location: Cambridge
Few Correction:

intheknow wrote:
Hi. It is worth mentioning that PDA's/XDA's are not able to communicate via pmr .....


Not correct. They can be used if someone wants to interface them to radios as one Dutch company is using PDA with PMR radios

intheknow wrote:
Considering all of this, the CT4000 which can roam between GPRS and PMR is not such a bad idea after all.


This is a myth. I am anot aware of a single OPERATIONAL system which can roam between PMR and GPRS. At present it is just in sales booklets.

intheknow wrote:
Consider that although a single companies radio channel does not cover the whole of the UK, where GPRS does, in reality how often are you going to need that sort of range? I agree that this is useful if, for example a driver goes to the airport (which is out of radio range) to drop off, they can be sent a return job much easier.


The issue is not just the RANGE, It is also good radio COVERAGE for the area that a taxi company operates. Just count the number of radio masts installed by mobile network operators in your area and compare them with the number of radio masts by a single taxi company !

Also, there is an issue of expansion. If you expand your taxi fleet, you need more PMR resources and might require to add more base station, etc. With GPRS, you don't have to worry about that aspect of your expansion as your expansion will make a little dent in GPRS capacity.

intheknow wrote:
Secondly, the GPRS network is also used by emergency services .....,?


This is not quite true. Most emergency services such as Police use TETRA system and not GPRS. Very few Ambulance services have recently moved to GPRS.

intheknow wrote:
In an emergency, who do you think is going to get most of the GPRS Bandwidth first


This is just another scare tactics used by PMR sales people. GPRS has been avilable since 2001. Over the past 5 years x 365 days x 24 hrs, how many hours mobile phone network and GPRS resources been diverted to emergency services !! Be a bit more mature in your arguments if you can.


intheknow wrote:
Finally, there is only a certain amount of bandwidth with GPRS - the more applications using it, the more data, the less there is to go around - that is without building more and more mobile phone masts outside your house.


Your PMR bandwith is shared by other taxi comapnies in your area too?
There is huge apare capacity in GPRS data network and soon with availablity of 3G, this capacity will increase by 100 times.

Comparing amount of bandwith availbale on GPRS to PMR is just a joke. Try to access internet over PMR !!

I leave the security and radio interference comaprison between GPRS and PMR to another discussion !

GPRS is Public data network. Designed for mass usage. Millions of pounds have been spend to implement them with 1000s of radio masts and on much more advanced technology.


intheknow wrote:
By all accounts, CT4000 data units are out in two firms in the UK, a couple in Spain and are (this month apparently) being officially released to the whole of the UK. Who knows for definate though :)


Great Sales tactic!! If you can't sell it. After several month Re-launch it again !! But this time "officially" release it! It might work this time, Who knows.


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PostPosted: Thu Jan 12, 2006 1:44 pm 
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intheknow wrote:
Hi. It is worth mentioning that PDA's/XDA's are not able to communicate via pmr (the method by which most cab companies communicate with their vehicles). PDA's use GPRS, which is a feature of the mobile phone network.


Hi
Sorry INtheKnow but your wrong PDAs can be used for data system over conventional radio systems. You just use the serial port and communicate with the data modem.

Next PDAs DONT use GPRS. What you have is PDAs that have built in mobile phone modules. Not ALL PDAs have mobile phones installed in them, you can easily find this out on the internet or even pop into your local PCWorld.

regards


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 Post subject:
PostPosted: Thu Jan 12, 2006 1:48 pm 
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Don wrote:
Few Correction:


Great Sales tactic!! If you can't sell it. After several month Re-launch it again !! But this time "officially" release it! It might work this time, Who knows.


So Don which GPRS Taxi dispatch company do you work for? Cordic?


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PostPosted: Thu Jan 12, 2006 2:15 pm 
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Don wrote:
Few Correction:


This is a myth. I am anot aware of a single OPERATIONAL system which can roam between PMR and GPRS. At present it is just in sales booklets.

/[unqoute]

Yes you may be correct but companies are working on it and some companies have units that work with PMR and GPRS so your not toally correct.



Quote:
The issue is not just the RANGE, It is also good radio COVERAGE for the area that a taxi company operates. Just count the number of radio masts installed by mobile network operators in your area and compare them with the number of radio masts by a single taxi company [/unqoute]

Total and utter garbage. You cannot compare the radio coverage given by PMR to that of GSM. GSM operates at a much higher frez, as you well know, so you need more sites to cover areas due to the fact that the coverage would be poor. Next the reason they have more sites is, as you know as well, that they work on a cellular system. Also in areas of high congestion they do install additional systems to take up the strain.

Quote:
Also, there is an issue of expansion. If you expand your taxi fleet, you need more PMR resources and might require to add more base station, etc. With GPRS, you don't have to worry about that aspect of your expansion as your expansion will make a little dent in GPRS capacity.[/unquote]

Yet again total garabge. Come on Don stop this sales mans bu%$[edited by admin]. If you have a decent radio network and it was engineered correctly then you can easily add a lot of cars onto the system.

intheknow wrote:
Secondly, the GPRS network is also used by emergency services .....,?


Quote:
This is not quite true. Most emergency services such as Police use TETRA system and not GPRS. Very few Ambulance services have recently moved to GPRS. [/unqoute]

So what is Scottish ambulance service using then Don? Also note that the police where pushed onto using Airwaves and the fire service will be next.


intheknow wrote:
In an emergency, who do you think is going to get most of the GPRS Bandwidth first


Quote:
This is just another scare tactics used by PMR sales people. GPRS has been avilable since 2001. Over the past 5 years x 365 days x 24 hrs, how many hours mobile phone network and GPRS resources been diverted to emergency services !! Be a bit more mature in your arguments if you can.[/unquote]

Yet again DONT mislead people. Emergency services WILL TAKE PRIORITY over ANY other users its as simple as that. The network was setup for such things. During any large scale emergency the mobile phone network will become congested. There were plans setup a long time ago to ensure that emergency services (not just fire, police, ambulance) would still gain access to the networks.


intheknow wrote:
Finally, there is only a certain amount of bandwidth with GPRS - the more applications using it, the more data, the less there is to go around - that is without building more and more mobile phone masts outside your house.


[/qoute]Your PMR bandwith is shared by other taxi comapnies in your area too?
There is huge apare capacity in GPRS data network and soon with availablity of 3G, this capacity will increase by 100 times. [/unquote]

Yet again more misleading information and totally UNTRUE. I suggest you should look at spectrum liberilisation and also what frez are used by various taxi companies for data dispatch.

Quote:
Comparing amount of bandwith availbale on GPRS to PMR is just a joke. Try to access internet over PMR !![/unquote]

Why is it a joke? What speed do you require to operate a system then Don? Why do you need massive amounts of speed? What speed do the various taxi dispatch sysems work at then? Also whats the most amount of bandwidth you can have on PMR then?

Quote:
I leave the security and radio interference comaprison between GPRS and PMR to another discussion ![/unquote]

Why leave it Don? GPRS IS NOT FREE FOR INTERFERANCE OR SIGNAL LOSS. ITs not free from system problems/breakdowns.



Quote:
GPRS is Public data network. Designed for mass usage. Millions of pounds have been spend to implement them with 1000s of radio masts and on much more advanced technology.[/unqoute]

So Don please tell me what control you have over the network? What happens if the network suffers a major failure where do the customers look to for information on it?

Quote:
Great Sales tactic!! If you can't sell it. After several month Re-launch it again !! But this time "officially" release it! It might work this time, Who knows.



Don, YOU are using SCARE tatics and miselading information when it comes to using GPRS. YOUR the one that is coming across as a salesman who is out to make a buck and is pushing his product.

PMR will be here for a long time so will GPRS its as simple as that. It appears that you dont belive this and it would be really interesting to hear your sales advice you give potential customers.

GPRS IS NOT THE BE ALL AND END ALL so DONT COME ON HEAR AND TELL EVERY IT IS DON.

Discuse it, talk about it but DONT ram it down our throats and before you say anything about me not liking GPRS and being anti GPRS, I have one sister group who has 3000 taxis using GPRS dispatch and another that we look after has 600 on GPRS expanding to 1600.

We also have another group moving over to GPRS.

So Don there is my honest views you may not like them but I look at things very practicaly. I believe you have came on hear before with all your facts and figures before but dont go slating off PMR and people using it as if its out of date garbage. It certainly is not, respect it.

Rant and Rave over


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PostPosted: Thu Jan 12, 2006 3:14 pm 
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This has all got mucky with messed up quoting etc.

I certainly feel that GPRS is giving my company enhance services but that is because of the nature of my business.

I was also shocked at how good the deal is with costings. We already paid for mobile phones to back up radios so are costs have actually reduced considerably. A more standard cab company doing local work might not have the same sums however.

We installed radios in our cars in the mid 1950', two years before our local Police had it. After 49 years it was hardly surprising that a new form of communication would replace it in our business.

Will the rate of change from PMR to GPRS accelerate? I think dramatically so in coming years. And it wll be driven from the opposite direction than computerised despatch systems. Those systems were initially installed in the bigger companies, and gradually were installed in medium then small companies.

I think GPRS will establish its base in small/medium size companies first then move onto the mega companies that the likes of Auriga have made possible.

One thing is for sure, you wouldn't have 500 car fleets with Auriga.

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PostPosted: Thu Jan 12, 2006 3:22 pm 
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Sorry hadn't finished.

The logistics of those large companies mean they are going to be very risk averse to new, not totally proven technology. They will stay with PMR until GPRS is totally proven. That is why the CT4000 is clever with its joint capacity.

The flaw in the joint capacity is of course you will be paying twice, for PMR landlines etc and bandwith.

Sofor the time being I believe we will see the smaller more specialised companies move to GPRS and the number crunchers sticking to PMR.

It will only take one of the megafleet to change and prove it works forthe rest to follow.

Will it be Glasgow, Liverpool, Newcastle, Pompey or Cardiff.

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PostPosted: Thu Jan 12, 2006 5:28 pm 
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Location: Essex, England
I know someone will kick me again, but... Jason has PMR and GPRS working together already with the simbox or whatever its called that interfaces between the PMR and the PDA or XDA etc.

Controvosy eh? Don't ya just love it.

Still using pen and bits of paper here. :roll:

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PostPosted: Thu Jan 12, 2006 6:54 pm 
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Location: Miles away from paradise, not far from hell.
Tom Thumb wrote:
This has all got mucky with messed up quoting etc.

I agree Tom.

I even tried to tidy it up, but lost the will to live.

I think if people wish to quote many times, it better done in different posts than all in the same one.

It's also easier for us less mortals to follow. :roll:

Alex

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PostPosted: Thu Jan 12, 2006 6:57 pm 
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Tom Thumb wrote:
Will it be Glasgow, Liverpool, Newcastle, Pompey or Cardiff.

Or Plymouth. :roll: :roll:

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PostPosted: Thu Jan 12, 2006 7:41 pm 
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Don't you just love a lively debate :lol:

CT400 :?: dual band analoge and digital together in the same set, not sure about that one.

Don sounds like an operator to me what do you think Tom?

I have loads to say about the postings that have been made after mine but no time to do so now, have to make some wedge, so watch this space.

Kind regards

Eric 8)


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PostPosted: Thu Jan 12, 2006 7:45 pm 
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Well you fooled me Don your system is a good one I know someone who has it and they think it's the bee's

Regards

Eric :oops: :oops:


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 Post subject:
PostPosted: Thu Jan 12, 2006 7:51 pm 
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Tom Thumb wrote:
Sofor the time being I believe we will see the smaller more specialised companies move to GPRS and the number crunchers sticking to PMR.

It will only take one of the megafleet to change and prove it works forthe rest to follow.


I agree. At present in this contry, several Taxi comapnies (not megafleet) but with 150 and 250 cars have moved to GPRS with satisfactory results.

Non-Taxi comapnies such as the AA use GPRS now.
Quote from the following link:"Andrew Hawkins, Mobile Solutions Specialist at Detica, said: "The trend towards mobile working based on GPRS technology is one which is growing fast. The AA's long history of maintaining a mobile-based workforce has meant they have immediately recognised the benefits this technology could bring through a more efficient service to members."
http://www.detica.com/indexed/NewsItem_InformationToAAPatrols.htm

In other countries like Singapore, larger taxi firms have switched to GPRS.
see:
http://business.singtel.com/upload_hub/mnc/SmartCab_Mar_2004.pdf

http://www.stee.st.com.sg/newsRm/pdf/yr03/Aug/CityCabTrade110803.pdf

People of such organisations do not make such decisions lightly.


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