Originally Posted by rjlawson
Go into Text Messaging->Options & check the Service Centre is right for your operator. Could be that you're using O2's still?
The service centre is always controlled by the SIM card, so that shouldn't be the issue. Further, other providers' service centres usually deny messages from MSIDNs not from their network.
If this does end up being the case, then both Warid and O2 have some issues to resolve. LOL