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iancjc Frequent Visitor
Joined: 10/02/2003 14:19:44 Posts: 749 Location: United Kingdom
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Posted: Fri Mar 19, 2004 10:58 am Post subject: re traffic info - what phone 2 bt connects at once? |
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Re the traffic info in ttn3 - I don't beleive that my phone (a moto v500) will allow the use of 2 bt connections at the same time - at least with my handsfree connected I don't think I've ever managed to get my ipaq to talk to it.
Is this correct? (and if so would I realistically have to have a seperate phone with gprs and bt? - I have an old orange t68i that I could use with a payg sim)
Any thoughts - and what phone do allow 2 connected devices at the same time?
Cheers
Ian |
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Darren Frequent Visitor
Joined: 11/07/2002 14:36:40 Posts: 23848 Location: Hampshire, UK
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Posted: Fri Mar 26, 2004 9:47 am Post subject: |
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Good question, I have recently replaced my Nokia 6310 with a E200 Smartphone and have so lost my carkit (none yet available for the E200).
As a result I'm using a BT Headset and so I may have issues getting the iPAQ to talk to the E200 at the same time as the headset. I shall give it all a test over the weekend and see if it works or not.
When you think that you could have iPAQ BT to GPS, iPAQ BT to Phone, Phone BT to headet and Phone broadcasting on the cell network and all in a tin box then it's a wonder we all don't look like Duncan Goodhew! _________________ Darren Griffin |
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Lost1 Regular Visitor
Joined: Jan 30, 2004 Posts: 68 Location: Merseyside UK
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Posted: Sun Mar 28, 2004 2:20 am Post subject: |
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I was half way to looking like D G before I got my TTN2, suppose I will have to kiss the rest good bye.
I am a bit new to all this so forgive what may be obvious but if I upgrade to TTN3 and take the option for traffic info. does this mean that I will be getting charged for a phone call all of the time I am on a journey?
This could run into many hours of call time on a long journey and just as expensive for lots of small jouneys. |
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MrT Frequent Visitor
Joined: Nov 14, 2003 Posts: 2143 Location: Surrounded by A1, M1 & M25
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Posted: Sun Mar 28, 2004 8:56 am Post subject: Mobile Internet |
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I believe the traffic info is only available over GPRS where you pay for the amount of data downloaded. (02~£2 per MB).
However there are two types of GPRS, true mobile internet and WAP GPRS (there is also WAP GSM which is pay per minute). I cannot get my PDA to access the internet whilst using WAP GPRS, the PDA dials the connection over BT and the mobile connects to the WAP GPRS, but there is no internet access to the PDA, but the mobile can browse the web. Using the same phone, but with a mobile internet GPRS service, my PDA can browse the web.
Not all airtime providers offer true mobile internet GPRS. |
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Darren Frequent Visitor
Joined: 11/07/2002 14:36:40 Posts: 23848 Location: Hampshire, UK
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Posted: Sun Mar 28, 2004 9:24 am Post subject: |
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With GPRS you pay for the data you use rather than the length of the connection. Traffic Data would be very small amounts nortmally downloaded either before you begin your journey or at set periods i.e. every 30mins etc.
Orange charge £4 for 3MB which would last you weeks if you used it for Traffic Info alone. _________________ Darren Griffin |
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AlanW Occasional Visitor
Joined: Mar 21, 2004 Posts: 25 Location: Farnham, Surrey, UK
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Posted: Sun Mar 28, 2004 9:42 am Post subject: |
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A bit of digging round the internet has turned up three different levels of GPRS implementation:
A devices are capable of simultaneous voice and data transmission
B devices support one type at a time, and switch automatically between data and voice
C devices support one type at a time, and require user intervention to switch between data and voice
That means we need Class A devices that can also maintain multiple BT connections, to use Traffic & the phone at the same time. I guess the thing to do is browse WAP (or internet) via a PDA browser & attempt to make a call at the same time. Haven't tried it though. _________________ Time flies like a bird. Fruit flies like a banana |
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iancjc Frequent Visitor
Joined: 10/02/2003 14:19:44 Posts: 749 Location: United Kingdom
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Posted: Sun Mar 28, 2004 11:05 am Post subject: |
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re the phones using voice and gprs - its more complicated than that - if you have a bt headset you need a phone that supports 2 bt connections - my sony ericcson and moto handsets will only connect to one bt product at a time - thats the problem.
Talking and using gprs isn't a problem the gprs simply stalls whilst talking ang then kicks off again - no problem so wired handfree systems should be ok. |
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DavidW Pocket GPS Moderator
Joined: 17/05/2003 02:26:21 Posts: 3747 Location: Bedfordshire, UK
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Posted: Tue Mar 30, 2004 7:30 pm Post subject: |
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There's several issues here.
Firstly, the GPRS (letter) class one. Only a Class A device can support simultaneous GPRS and voice calls. I have never yet come across a Class A phone - all the GPRS phones I've ever had are Class B.
Obviously I don't yet know how TomTom Traffic works. I've no more access to information on Navigator 3 than anyone else here - I'm waiting for the upgrade programme to open so that I can order my copy, though I'm quite happy to let the first few versions pass me by whilst I'm waiting. However TomTom selected testers for version 3, they didn't look at those participating in this forum and invite those who are particularly active here.
So long as TomTom Traffic copes OK with the Internet becoming unavailable whilst you're in a call, you'll be OK - so long as you remember that there's no traffic updates when you're on the phone (for me this isn't a problem - I make almost no use of my phone in the car).
Secondly, the Bluetooth one. Many phones do not support two simultaneous Bluetooth connections, even though one would be audio and one data - certainly my Nokia 6310i doesn't. This means that if you use Bluetooth for in-car hands free, you may not be able to use the same phone for GPRS.
I'm fortunate here - my phone car kit is wired, so there's no problem using Bluetooth for GPRS when I'm in the car.
I don't understand iancjc's comment - I think there's a typo, in that the word "headset" should read "handset". It doesn't matter whether or not your Bluetooth audio gear supports multiple connections.
Mr T mentions a third issue - you do need GPRS Internet access - GPRS WAP is no good. All providers, to my knowledge, do offer GPRS Internet access - though some restrict it to contract users only.
The inability to have both GPRS WAP and GPRS Internet access going simultaneously doesn't surprise me - few if any phones can be active simultaneously on two GPRS CIDs.
Orange offer pay as you go Internet GPRS unless things have changed recently - maybe the answer for those who have are unable to use their main phone for TomTom Traffic (because they make too many calls, don't have simultaneous Bluetooth data and voice support, or don't have GPRS Internet access) is to pick up a 6310i or similar and stick an Orange pre pay SIM in it, then put it somewhere in the car on a car charger lead (though the battery life of a 6310i is very good).
Of course, you can test your setups now - if you can set the phone up how you usually have it in the car and make a GPRS connection to the Internet from your Pocket PC, you should be ready to go when TomTom Traffic is available.
It is, of course, possible to use CSD (dial up Internet access) for TomTom Traffic - but the cost is almost certainly prohibitive. Low bandwidth connections that are kept open for long periods is where GPRS excels.
David |
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iancjc Frequent Visitor
Joined: 10/02/2003 14:19:44 Posts: 749 Location: United Kingdom
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Posted: Wed Mar 31, 2004 12:38 am Post subject: |
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David
No I meant headset - but I was saying that if you have a bt headset (and want to use tt traffic) you would need a phone that connects to 2 bt devices at once.
I have an hour minimum commute each morning and night and spend approx half of each journey on the phone catching up with clients - I think that a second payg phone in the boot plugged into the power socket will do the job - I have an old t68i I can use for this - can't see it costing more than a few quid a month extra.
Ian |
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