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Thread: Dedicated carphone.

  1. #11
    Constant Bitrate
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    What if you used something like Skpe In/Out. I don't currently use Skpe at all, but considered it as a VOIP alternative a couple years ago. The only problem with using data for voice is the reliability/quality of the call may suffer since cell data networks don't have as much coverage as their voice networks.

  2. #12
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    I used to work at the provider supporting these things. The newer (see at least 2 years old) CDMA cards I've seen don't support voice, this includes the Aircard 580 and ones after that. The older Aircard 555 does and it came with the software for your computer to dial up any number you wish.
    To answer your second question, you can have voice and data on the same phone number, otherwise people wouldn't be able to use a Blackberry for email and phone calls.
    But the best solution for you is to just get a $10 phone from one of your friends that they're not using anymore, plug it to your computer via USB, permanently wire a charger to it from the battery and throw it up under your seat somewhere. This way you have a modem that supports data and voice and the newer phones also have something called COPO or some ****, I just read about it today. It allows the phone to accept a voice call while in a data session.
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  3. #13
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    Quote Originally Posted by Maheriano View Post
    I used to work at the provider supporting these things. The newer (see at least 2 years old) CDMA cards I've seen don't support voice, this includes the Aircard 580 and ones after that. The older Aircard 555 does and it came with the software for your computer to dial up any number you wish.
    To answer your second question, you can have voice and data on the same phone number, otherwise people wouldn't be able to use a Blackberry for email and phone calls.
    But the best solution for you is to just get a $10 phone from one of your friends that they're not using anymore, plug it to your computer via USB, permanently wire a charger to it from the battery and throw it up under your seat somewhere. This way you have a modem that supports data and voice and the newer phones also have something called COPO or some ****, I just read about it today. It allows the phone to accept a voice call while in a data session.
    Well, actually, you can never use voice and data at the same time on any CDMA card/phone. It only uses one modem. The modem can only do one thing at a time....

    Rafster

  4. #14
    Maximum Bitrate stonestatue's Avatar
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    Quote Originally Posted by Rafster View Post
    Well, actually, you can never use voice and data at the same time on any CDMA card/phone. It only uses one modem. The modem can only do one thing at a time....

    Rafster
    What about T-Mobile and Cingular phones? I forget the acronym for them; (GMS) or something like that.

    GPRS?
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  5. #15
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    Quote Originally Posted by stonestatue View Post
    What about T-Mobile and Cingular phones? I forget the acronym for them; (GMS) or something like that.

    GPRS?
    As long as you get an AT&T phone that has 3G capability, you'll be fine.

    All ATT 3G phones have a Quadband (850/900/1800/1900) modem in them AND a WCDMA/HSDPA Dual band (850/1900) modem in them.

    I teather my Samsung Blackjack all the time, and I continue talking on the phone at the same time....

    You can see what I'm talking about here:

    http://www.phonescoop.com/phones/phone.php?p=1066

    Rafster

  6. #16
    Newbie darkslyde's Avatar
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    if u have the money, 3g USB instead (it's usb. period.) of pcmia ($50+/mnth) + vonage to go USB stick ($30+/month). but not all areas have 3g so it'll either be EDGE or GPRS. i recommend sticking with a phone supported by your phone control software (HDP/HFP + phone modem) which u can leave in ur car as dedicated phoneline and pull internet from it using phone modem. another drawback would be: having a 3g phone but bluetooth having limited speed. almost forgot about wireless ISPs. one would be clearwire wireless. theres one with home+pc card and internet phone. dude, your choice
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  7. #17
    Maximum Bitrate stonestatue's Avatar
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    Quote Originally Posted by darkslyde View Post
    if u have the money, 3g USB instead (it's usb. period.) of pcmia ($50+/mnth) + vonage to go USB stick ($30+/month). but not all areas have 3g so it'll either be EDGE or GPRS. i recommend sticking with a phone supported by your phone control software (HDP/HFP + phone modem) which u can leave in ur car as dedicated phoneline and pull internet from it using phone modem. another drawback would be: having a 3g phone but bluetooth having limited speed. almost forgot about wireless ISPs. one would be clearwire wireless. theres one with home+pc card and internet phone. dude, your choice
    Clearwire is preferable, except they don't even service Alabama. Darnit this state sometimes...
    Check out my GMC Savana worklog.

    Remaining tasks to facilitate vanputer installation codename "Enterprise":
    - Edit skin to liking.
    - Get compatible phone for mobilephone.net.
    - Facilitate HVAC control.

  8. #18
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    You can not use Clearwire in a mobile enviroment, it is more of a point to point system. Here in Charlotte they have coverage but as soon as you cross over the state line they will not support you. Really stinks since I have no Cable or DSL service available here. Also I don't understand what you mean about PCMCIA at $50 vs. USB for $30 a month, services are the same price depending on what carrier you have, it does not depend on what model phone you have.

    VoIP like Vonage or Skype really does not work on EVDO service, just like it does not work on WildBlue or DirectWay. There is too much latency which is noticed in voice calls but not surfing. On occasion it may work, and maybe more than on occasion if you have a SCREAMING STRONG signal that does not vary but even when you do you will not be happy. The latency will be so high that you will be interupting each other all the time and studdering all the time.

    The aircard 550 was a 1x aircard and indeed did a good voice or data call but not both at the same time. The system went to EVDO 0 then REV A and is much better now with speed, it's like night and day. You can still use the 550's if you can find one but you would not. It would be like giving up DSL for Dial Up!

    Rich

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