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Topic # 9025 14-Aug-2006 18:42
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Does anyone know if Vodafone GPRS support HttpConnection "POST" uploading files to internet?

I am currently doing a j2me project which creates a mobile app to upload images/video to the internet via Vodafone GPRS,

and I urgently need to know if vodafone support mobile developer to do these kinds of stuff? or Telecom?

Thanks a million!

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BDFL - Memuneh
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Reply # 43924 14-Aug-2006 18:46
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I have a post form on Geekzone for uploading images... I will have test this later when back here.





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Reply # 43925 14-Aug-2006 19:10
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  Reply # 43926 14-Aug-2006 19:15
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Sorry, I am using Java J2ME technology, not Microsoft CE.
Anyway, could you provide the URL of your related post? Thanks again.
Btw, my question of this post is about if Vodafone New Zealand support this functionality over their GPRS network, as what you replied here, does it mean it does? and could you provide me more details, such as working code examples? I am testing using my Nokia 6230i. Smile


3g

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  Reply # 43936 14-Aug-2006 20:48
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"Vodafone GPRS" is effectively just a mobile internet connection.

So to answer your original question, the answer is "yes" - you can do an httpconnection post.

Have a look at the example code at the link below - it should hopefully get you started


Network Programming with J2ME Wireless Devices
http://www.wirelessdevnet.com/channels/java/features/j2me_http.phtml

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  Reply # 43937 14-Aug-2006 21:12
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Whether you use TNZ or V3G for data connection, your web or application should work fine as long as there's not proxy in between you and the network provider to alter the http transmission. to ensure you are getting full internet on V3G, make the APN is direct.vodafone.net.nz.

I am using VMC with my laptop and with any internet applications and just work fine, albeit a bit slower than wired broadband.




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BDFL - Memuneh
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Reply # 43939 14-Aug-2006 21:41
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Back... Regardless of using Windows Mobile, or J2ME, my test just demonstrated that HTTP POST of binary data is network independent.






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  Reply # 43958 15-Aug-2006 02:20
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well, it seems quite clear that Vodafone will definitly support HTTP connection, but I'm interested in other connections. such like generating a socket connection by using port 8080. Does Vodafone gateway support this, or it only accept Http connection?
Thank you in advance.

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  Reply # 43965 15-Aug-2006 08:13
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Vodafones GPRS network is simply a TCP transport, there are no real limitations as to what can be transfered. I have written several applications that use various ports, I have never found any port is trapped, or blocked by a firewall. That said there may be some ports that are blocked for operataional reasons, but there is no published detail of this to my knowledge.

Only limitation I can imagine is jumbo frames are not passed (but I could be wrong there)

My experience with the Telecom CDMA data network is the same.

Cyril



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Reply # 43989 15-Aug-2006 13:42
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Thanks Cyril, it is very valuable answer

wtf

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  Reply # 44212 17-Aug-2006 12:04
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Most Vodafone APNs have firewall rules so that you cannot originate a session from a server towards a mobile. Other than that AFAIK there are no restrictions on the protocols you can use. There may be the odd firewall rule for commonly abused ports, but I haven't encountered any. 

You may have problems with some applications with the optimiser (Compression proxy) which seems to wedge itself into TCP sessions. This can be avoided as someone already pointed out by using the direct.vodafone.net.nz APN as this bypasses the optimiser.

You can also use the "internet" APN which has no firewall rules...this permits you to do things like DDNS, and run a server on your mobile connection should you so desire. The downside to this is that anyone can then send data to your mobile, and you will be billed for it. That might not seem a problem with the new $49 per gig plan, but think about what the second gig will cost you before you jump into that too hard. (anything over 1gig is 50 cents per megabyte, eg the first gig is $49 and and subsequent ones are $500)

Incidently the www..... APN now uses public addresses, this means that there is no longer any NAT so some applications will work better.



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  Reply # 44423 21-Aug-2006 12:07
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Thanks upstair, but I dont really understand what you have said. What is that relted to what I asked here?

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Reply # 44428 21-Aug-2006 12:23
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It has everything to do with your question. In summary you can use anything you want, initiating from your mobile device. It's up to your framework and programming skills to be able understand and do things.







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