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SocketConnection on a Vodafone UK handset

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An application we're developing uses a SocketConnection to connect to our
server. It's primarily a UK only application at the moment, and has been
tested on most of the major UK networks; Orange, O2, T-Mobile and Vodafone.
It works fine on the first 3, but on Vodafone it won't connect at all using
the standard APN (contract WAP). If the Contract Internet APN is selected it
works fine. Ideally we need the app to work with a minimum of user
intervention, and after looking into it, some suggestions were that we
needed to have the application signed and we'd then be able to use a
SocketConnection over the WAP APN. This is now done, with a properly
purchased Verisign cert, however we still have the same problem.

Has any one had any success with Sockets over the WAP APN on Vodafone?

Thanks in advance,

Ian Manders
Dynamite Mobile

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Joined: 2004-03-04


Sorry for the slow reply. I don't have an immediate answer but some pointers:

You say you signed the application with Verisign. Have you confirmed that the appropriate protection domain mapped to the root certificate in the phone actually gives you the necessary access rights to network functionality? This is something Vodafone should be able to tell you.

Next, I can suggest trying to contact the Vodafone Betavine community at You can upload your app there and test it in Vodafone's environment and there are Vodafone employees available for support. If you don't find the right avenue there I can establish a contact for you.

Hope that helps,

-- Terrence

Terrence Barr
Evangelist, Java Mobile & Embedded Community
Sun Microsystems, Germany