MMS settings on SP3i

[Guest dedeine]

Dear,

I need some help to configurate my SP3i so i can send MMS.

My provider is mobistar;

I entered the MMS settings in my phone but do I've to configurate the internet settings. The helpdesk of mobistar says not but still it doesn't work.

I can receive an MMS but I can't send one...

Please help me

TX

Nico