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  1. Thread Author  Thread Author    #1  

    Default No 3g while on a phone call

    While I was on a phone call today, I tried going online to check my email and browse the web; come to find out I get a message saying that I did not have an internet connection. I thought I was not in a 3g area, but then again, I always get 3g where I am at. So I tried it again; made a phone call and tried browsing the web and I noticed that my 3g icon was not showing up on the top of my screen.

    Noticing that I could not get 3g while I was on my phone call, I went to sprint and asked their manager if my phone was having any problems or if it's just a signal issue. He stated since the EVO is a 4g phone, we can only access the web while on a phone call when there is a 4g signal. I found that strange. Why would sprint do this? Especially since 4g kills battery life a lot. I wonder if the OTA update relieves battery draining with 4g turned on. The EVO is capable of 3g signal with ease. With my pre I could log online via 3g while on a phone call.

    Asking a sprint store manager or rep it's hard to tell if they are telling the truth or just making up some b.s. Does anyone here know if this is true? If its is, then I guess I would have to wait til 4g is up and running in the bay by the end of the summer or year.
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  2. #2  

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    cdma for sprint doesnt allow calling and web surfing at the same time over 3g. over 4g you can do it or if u are connected to wifi.
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  3. #3  
    werx's Avatar
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    Its CDMA and how it operates. Verizon is the same. Only GSM providers can do calls + data at the same time ie: ATT + Tmobile.

    Don't worry, CDMA is better than GSM as far as reception quality goes. It penetrates walls + concrete much easier than GSM can because it operates on a lower frequency.
  4. #4  

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    4g/wifi still work.
    And I assume that if you're on hold then you're probably near a wifi hotspot.
  5. #5  

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    Your signature says you used the Samsung Instinct and palm pre, both sprint phones. So you've been with Sprint for a while and you only just realised that you can't simultaneously access data and voice while on 3G?

    Anyway that's why ATT had an ad campaign around being able to do both (voice and data) at the same time. It was a dig at Verizon not being able to; Verizon and Sprint are both CDMA.

    As others have pointed out, you can do it as long as you aren't using 3G for data access. So 4G or wifi will work fine.

    It is impossible for you to access voice and data over 3G with the Palm Pre. You must have had wifi on and didn't realize that's how you are accessing data.
  6. Thread Author  Thread Author    #6  

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    Cool! Thanks for the the heads up guys!! Yea, I perfer CDMA over GSM.
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  7. Thread Author  Thread Author    #7  

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    Yeah like the others have stated, this isn't technically possible.
    Yea i just realized that I would be on a wi-fi signal
    yEzZiR! - samsung n400 w/camera > Sanyo mm7400 > Sanyo VM4500> Samsung Instinks > Palm pre > HTC EVO 4g
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  8. #8  
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    Quote Originally Posted by folarino View Post
    Your signature says you used the Samsung Instinct and palm pre, both sprint phones. So you've been with Sprint for a while and you only just realised that you can't simultaneously access data and voice while on 3G?
    That ^
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  9. #9  

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    If I'm not mistaken it technically became possible to do voice and data when 3G cdma came around. Sprint and Verizon just aren't setup to support it.
  10. #10  
    Cory Streater's Avatar
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    It became possible but Sprint & Verizon decided to focus on building out their 4G networks instead of implementing this.
  11. #11  

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    Quote Originally Posted by werx View Post
    Don't worry, CDMA is better than GSM as far as reception quality goes. It penetrates walls + concrete much easier than GSM can because it operates on a lower frequency.
    Actually CDMA and GSM use similar frequencies... see for example. CDMA and GSM are different ways of encoding and decoding digital information to enable thousands of users to transmit and receive voice and data using one band of frequencies.
  12. #12  
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    Quote Originally Posted by bobodobo View Post
    Actually CDMA and GSM use similar frequencies... see for example. CDMA and GSM are different ways of encoding and decoding digital information to enable thousands of users to transmit and receive voice and data using one band of frequencies.
    Correct. The band is actually decided between the FCC and the wireless company. The technology, GSM or CMDA, play no role.
  13. #13  

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    Quote Originally Posted by Cory Streater View Post
    It became possible but Sprint & Verizon decided to focus on building out their 4G networks instead of implementing this.
    That's good.

    I'd rather have 4g coming near me in the next year or so than be able to surf on 3g while talking to someone (rude much?)
  14. #14  

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    Quote Originally Posted by Kedar View Post
    That's good.

    I'd rather have 4g coming near me in the next year or so than be able to surf on 3g while talking to someone (rude much?)
    4g "wimax" as we know it may be just a temporary thing because sprint wanted to be the first to have it. Wimax is booming globally but not so much stateside, they only have like 41 towers i think that are servicing the wimax network. and thats not many if they are advertising 30 some markets for it. They are not ruling out "lte". they just decided they wanted to be the first to have a newere network and not that last and wimax was the easiest for them to jump into....
  15. #15  

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    Quote Originally Posted by dekcufi View Post
    4g "wimax" as we know it may be just a temporary thing because sprint wanted to be the first to have it. Wimax is booming globally but not so much stateside, they only have like 41 towers i think that are servicing the wimax network. and thats not many if they are advertising 30 some markets for it. They are not ruling out "lte". they just decided they wanted to be the first to have a newere network and not that last and wimax was the easiest for them to jump into....
    That's interesting.

    I wonder how it'll turn out.
    But sprint needed something temporary.
    They needed something to get onto the level of the other two carriers.

    Wiimax was probably a good choice for giving them a jumpstart.
    Again, we'll see how Sprint holds up. I actually like Sprint and Dan Hesse, so we'll see.
  16. Thread Author  Thread Author    #16  

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    if i was in europe i'd get a gsm phone cuz that's the standard there. As for havin two other smart phone before the EVO, I guess I was simply not paying attention to it. Sue me. hah!
    Last edited by JERAVICIOUS; 07-11-2010 at 01:21 AM.
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  17. Thread Author  Thread Author    #17  

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    Again, we'll see how Sprint holds up. I actually like Sprint and Dan Hesse, so we'll see.
    I feel that Dan Hesse has done a good job for turning sprint around. Before it was known for it's terrible customer service, and now everytime i call into customer service, I get better customer service than I did before. Signal is a lot stronger with not that many dropped calls (if any), and their devices get better and better. I think the 69.99 plan of unlimited cell calls and data was brilliant!
    yEzZiR! - samsung n400 w/camera > Sanyo mm7400 > Sanyo VM4500> Samsung Instinks > Palm pre > HTC EVO 4g
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  18. #18  

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    Quote Originally Posted by werx View Post
    Its CDMA and how it operates. Verizon is the same. Only GSM providers can do calls + data at the same time ie: ATT + Tmobile.

    Don't worry, CDMA is better than GSM as far as reception quality goes. It penetrates walls + concrete much easier than GSM can because it operates on a lower frequency.

    Werx,

    Both AT&T GSM and VZ CDMA use 850MHz & 1900MHz frequencies, both are digital, so they are theoretically the same in call quality.
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  19. #19  

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    Quote Originally Posted by werx View Post

    Don't worry, CDMA is better than GSM as far as reception quality goes. It penetrates walls + concrete much easier than GSM can because it operates on a lower frequency.
    This is wrong. Remember, 3g on the gsm networks is wcdma which is the same air interface as cdma Verizon and sprint. It has all the same propagation characteristics, same building penetration, etc. It IS cdma, just wide band, hence why It's called wcdma. So gsm actually is the best of both worlds.

    And yes It's funny that this poster has used cdma this long but didn't realize cdma has never been able to do voice and data at the same time. :-)
  20. #20  

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    Quote Originally Posted by dekcufi View Post
    4g "wimax" as we know it may be just a temporary thing because sprint wanted to be the first to have it. Wimax is booming globally but not so much stateside, they only have like 41 towers i think that are servicing the wimax network. and thats not many if they are advertising 30 some markets for it. They are not ruling out "lte". they just decided they wanted to be the first to have a newere network and not that last and wimax was the easiest for them to jump into....
    41 towers? Where in the world do you come up with these "facts", and why do you post such nonsense when it would be so easy to check. WiMax is up and running official in perhaps a dozen cities, and is partially implemented in dozens more. There are more than 41 towers in the DC area alone.
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  21. #21  
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    Quote Originally Posted by meyerweb View Post
    41 towers? Where in the world do you come up with these "facts", and why do you post such nonsense when it would be so easy to check. WiMax is up and running official in perhaps a dozen cities, and is partially implemented in dozens more. There are more than 41 towers in the DC area alone.
    Perhaps he meant 41 markets not towers.
  22. #22  
    Cory Streater's Avatar
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    Quote Originally Posted by NokiaNokia View Post
    Both AT&T GSM and VZ CDMA use 850MHz & 1900MHz frequencies, both are digital, so they are theoretically the same in call quality.
    I'm no expert, but to my ear, I can definitely tell a difference between the 2 technologies, with CDMA sounding far superior. I would pretty much agree with that compares the 2.
  23. #23  

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    Quote Originally Posted by iamlilysdad View Post
    Perhaps he meant 41 markets not towers.
    nope last i read on wimax.com sprint only had 41 4 g towers deployed
  24. #24  
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    Quote Originally Posted by dekcufi View Post
    nope last i read on wimax.com sprint only had 41 4 g towers deployed
    Kind of sounds like you might have been counting push pins on by the way those are markets, not towers.

    But with only 41 towers, Sprint's plan to allow 120 million subscribers to have access by year end 2010 might be a little overly ambitious, no?
  25. #25  

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    Quote Originally Posted by slipdisc View Post
    Kind of sounds like you might have been counting push pins on by the way those are markets, not towers.

    But with only 41 towers, Sprint's plan to allow 120 million subscribers to have access by year end 2010 might be a little overly ambitious, no?
    Might be. The range on those wimax towers is good. The problem is the frequency they have in some markets that doesn't do well with buildings and such.
    Have not counted any push pins it is on a chart for global carriers and the number of towers deployed vs the number of potential customers.
    Last edited by dekcufi; 07-11-2010 at 08:10 PM.
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