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  1.    #1  
    If anyone truly understands the technical differences between Media Net and PDA plans, could you explain them? Also, between wap and isp access?

    I am very confused and have seen a lot of partial and incorrect information.

    I'd really like to understand all the ins and outs of data connections with Cingular. To say that it's confusing would be to vastly understate the current situation.

    To start with, I already know that it is untrue that you need the PDA plan to make vpn work, but it that might depend on what kind of vpn.

    Can ANYONE make sense of this mess??
  2. #2  
    Really the only difference is what you're billed between Media Net and PDA.
    Otherwise, they are basically IDENTICAL in funciton.
    Cingular has 3 type of data plans.
    1)MediaNet ($20 unlmiited), intended for small wap browser cell phones.
    2)PDA data ($40 unlimited), intended for smart phones with full email and web.
    3)Laptop Connect ($80 unlimited), intended for laptop wirless modem cards.

    Cingular has two access points for GPRS/EDGE data plans.
    1) Access Point Name: wap.cingular
    -Full internet access, full EDGE speeds, no blocked ports, you get a NAPT (Network Address and Port Tranlation) IP address (a fake IP address just like your home broadband router gives you.)
    2) Access Point Name: isp.cingular
    -Full internet access, full EDGE speeds, no blocked ports, you get a REAL IP address (no NAPT router.)

    Media Net gets you access to: wap.cingular
    PDA plan gets you access to: wap.cingular and isp.cingular
    Laptop connect gets you access to: wap.cingular and isp.cingular

    The Treo's built in network profile for Cingular is the wap.cingular network profile. To get on isp.cingular you have to create a new network profile and enter the settings (very simple.)

    So out of the box, one person with MediaNet and the guy next to him with PDA data will both be connecting to wap.cingular and getting the identical network access. One will simply be billed for $20 more per month.
    Only if the guy with the PDA plan actually configures it to work with isp.cingular. And that's provided you truly are supposed to get access to isp.cingular with this plan...which I believe is the whole point.

    Some details:
    isp.cingular has two logins. One gives you data compression which appearently speeds up some of the data transfer (the affect of slightly faster downloads, but I don't know if it's really that significant.) The other login is non-compressed (normal.)
    wap.cingular and isp.cingular both give you the same EDGE speeds (unless you're using the compression.)

    NAPT vs. real IP. There's only one limitation that I'm aware of, and that's that you can't use PPTP VPN (Mergic VPN) because it won't work over NAT/NAPT. IPSec VPN will work fine though (Cisco, Certicom Movian VPN, and most other enterprise VPN solutions.)

    Until this link works no more, here's the Cingular data settings guide:
    http://64.233.161.104/search?q=cache...ings.pdf&hl=en

    Here's more detail in these posts:

    Here's your VPN Answer:
    http://discuss.treocentral.com/showt...00&#post601700


    http://discussion.treocentral.com/sh...281#post637281
    http://discussion.treocentral.com/sh...420#post636420
    http://discussion.treocentral.com/sh...333#post642333
    http://discussion.treocentral.com/sh...954#post636954
    http://discussion.treocentral.com/sh...428#post635428
    http://discussion.treocentral.com/sh...420#post636420
    http://discussion.treocentral.com/sh...304#post613304

    You'll potentially find more if you do an advanced search on my name taylorh with mediaNet or isp.cingular as your search term. Other good search terms would be:
    isp@cingulargprs.com
    ispda@cingulargprs.com
    wap@cingulargprs.com
    isp.cingular
    wap.cingular
    Media Works
    Movian VPN
    Mergic VPN

    If I haven't answer it or I'm not clear, just let me know.
    Last edited by taylorh; 08/30/2005 at 02:24 AM.
    Treo 750 (AT&T)
    Treo600->Treo650->Cing8525->Blackberry 8700c->Treo750->AT&T Tilt->Treo750->iPhone 3G
  3. #3  
    Lets make this a sticky!!
    --
    Aloke
    Cingular GSM
    Software:Treo650-1.17-CNG
    Firmware:01.51 Hardware:A
  4. #4  
    I'm considering switching to CIngular (NYC) so I can also use my phone on foreign vacations - and since I already have a European GSM phone for voice, primarily to access data (e-mail) in Europe, etc. Will the connection be acceptable for that, or will I be better off hitting internet cafes/business centers, with the extra costs and inconveniences?
  5. #5  
    Quote Originally Posted by NYC VZ guy
    I'm considering switching to CIngular (NYC) so I can also use my phone on foreign vacations - and since I already have a European GSM phone for voice, primarily to access data (e-mail) in Europe, etc. Will the connection be acceptable for that, or will I be better off hitting internet cafes/business centers, with the extra costs and inconveniences?
    I'm a little confused. You have a european GSM phone and SIM with a voice as well as a data plan? If so, then why would you need the Cingular service for vactions to those places, why not use the european SIM?

    The problem with using Cinglular in foriegn countries for data is that you pay a roaming per KB data rate. Your unlimited data plan only covers your home area (which is the US.)
    http://www.cingular.com/customer_ser...we/0,,,00.html
    Stay connected to the Internet, Email and your critical files. When you travel outside the U.S., all GPRS usage is just $.0195/kb.
    2 cents per KB is a bit steep. Think about it, 1 MB is $20 and 1MB is nothing.
    I guess it depends on what you plan to use the data for. Minimal browsing and email only, or are you going to jack this thing up to a laptop which uses a ton of data?
    So yes it'll work, but I think cafe's would be much cheaper.
    Also, your data rate would be 35kbps if they only have GPRS over there (that I don't know.) If they have EDGE deployed where you're going then you'll get the 100ish kbps which is a dialup like experience.

    If you plan to get a Cingular Treo to use with your foriegn SIM, then be aware that that Cingular Treo will be locked to only accept the Cingular SIM. TO get it unlocked Cingular has a policy of something like 3 months minimum active account and there's and you have to contact them for the code.
    Or get an unlocked Treo from PalmOne.com which is more expensive.
    Treo 750 (AT&T)
    Treo600->Treo650->Cing8525->Blackberry 8700c->Treo750->AT&T Tilt->Treo750->iPhone 3G

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