SMSC Not Set Correctly. An often overlooked problem is an incorrectly set SMSC number. … Your SIM carrier is responsible for maintaining the SMSC network. If you have an incorrectly set SMSC, you will still receive text messages because the other person’s SMSC is forwarding the messages directly to your SIM number.
When you call a dead phone does it ring?
Answer: A: With a dead battery it should not ring but it should go to voicemail directly.