we have installed novell data syncronizer. With the Apple iphone every thing is oke. but with the android mobile phone i have a problem to connect to the data syncronizer.

I have create an self signed certificed and import the certificed on my android phone. when i try to connect with my i mobily phone i get the error Activation failed. unable to connect to network. try again with network providers default APN

i have also installed a ping tool on my mobile phone and i can ping to the ipadress en the full dns name

is there someone who can help with this problem