Vodafone - Blackberry — Unlocking of my Vodafone Blackberry

Hi.
I’d bought a blackberry 8900 handset from Vodafone. Now I want to be able to change the service provider as I’ll be traveling abroad for quiet some time and hence I’d be taking a local no. in that country.

I needed to know the MEP code to unlock the handset. For which i had put a request to the cusomter care of vodafone.

I have recieved reverts from the cusomter care stating that unlocking cannot be done.

Now when i've paid the full amount for the Handset then why am i being held captive to use vodafone service only. the cusomter care executive has very conviniently asked me use the same no. on international roaming, who will want to pay 10 time the higher cost for making out going calls and pay for incoming calls when the option is easily available to carry a different sim from MATRIX or UNICONNECT.

I've excalated the case to the Nodal officer but no revert so far.

I am intending to file a formal complaint and send legal notice on this.

Please suggest a way forward.

rgds,
Samar Ahmed