Can't send long texts to one number

Question

Hi.
I have a Nokia 6500c locked to Orange with up to date software. I'm on the Orange network with a new number which I signed up for just a month ago.
My girlfriend has a Motorola K1 Krzr on O2.
I've been having issues with sending her texts since day one, in that texts one page long always deliver but anything over one page long never arrives. I get a delivery report, but she doesn't get the text.
I don't have this problem with anyone else, including anyone on O2. It's just this one person. Similarly she doesn't have a problem recieving texts from anyone else. She is able to send me texts of any length. I never had this problem when I was with Vodaphone.
We've both contacted our networks and as you'd expect both are blaming the other.
O2 has cleared out their system on several occasions, I've even had them on the phone whilst I send a text to my girlfriends phone and they have no record of it arriving.
I've done the same with Orange who claim that my text leaves their network and they get a response from the O2 network saying it's been delivered.
She's tried putting her sim in a different phone, the problem persisted.
I put my sim in a different phone not locked to Orange, that fixed the problem.
I went abroad a couple of weeks ago, my Nokia 6500c connected to several foriegn networks, that fixed the problem.
I come back to the UK with my handset on Orange, problem persisted.
I'm getting sick of calling Orange who drip feed me ideas for fixing the issue spaced out over several days, and their last response has me thinking they have no idea.
They claim that the software the Orange network uses means that our two handsets are incompatible when it comes to sending a text more than one page long.
I've trawled the net for such compatibility issues and not surprisingly can't find anything. Nokia tech support have never heard of such an issue, the guy I talked to even chuckled at the idea. Several of the Orange call center staff haven't heard of the issue.
So the issue was either made up by the lying technical support of Orange, or I'm the first person in the country to discover the bizzare compatibility problems between the two phones using the Orange network software.
I've asked that my Nokia be unlocked free of charge to see if that resolves the issue, also try a new sim, new handset, and even a new number. I can't think of anything else.
Does anyone else have any ideas what is going on because I'm at a loss.
Thanks,
Adam

Answer 1

A locked phone(provider) firmware is somwhat modified with that of an open one, the reason why one can't upgrade one's locked phone even if an upgrade released by Nokia is already available.
From what I understand, it really not the sim card that is at fault nor the phone in particular for it does not have this issue when used in other phone model, the most likely cause is bug in modification of the firmware in phone model(6500c).
You have the right to have it unlocked & have also the firmware updated(Nokia standard) if it is available.
Message Edited by android on 05-Apr-2008 01:22 PM
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