Sound problem with Omnia 7 and my mobile operator?

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I have some strange problems with my Omnia 7 (which is unlocked) and my Telia SE subscription.
The phone it self was locked to 3 SE and when i use that sim card it works like a charm, when i use a Tele 2 sim card everything works but the mms, but when i use my Telia sim card the sound gets really strange, sometime its gets quite after someone answer or when i answer, some times its like the phone puts on a robot sound filter so both me and the one i talk to sounds like "robots" and when i call some ppl its 2 beep signals, one loud and one quite.

I tried 2 different Samsung Omnia 7 phones and its the same problem with both of them, and it cant be the sim card cause when i have it in my iphone it works perfectly. Anyone have any idea what todo or what can be wrong?

Oh btw when i use Samsung Network app it say this application cant be launched with your mobile operator and it says active profile 3 SE.

Ok I think we have an Omnia problem too. I thought this was the network, but I get those sounds too, on 35% of all calls.

that cant be good.

I tried 2 phones now and some problem on both, but the strange part is that it worked with the other cards for me.

Does different operators use different encoding or something? Cause i cant get the telia settings in network profile app, it still says 3

what s new from this ,?

Hi,
I have the same problem on another operator that the original one.

I am having similar issues right now with my Omnia 7. Although it relates more to connections and different SIM cards.

Put the issue onto the MS social answers site and if you are lucky someone knowledgeable might reply.

What I have found to be the easiest thing to do is to get on the UK windowsphone7 page on facebook. They definitely have a team that passes on issues in a more reliable fashion.

Do we have any solution for this issue? I started to have problems like mentioned before on my Omnia 7 - NoDo, locked.