What do you mean by wedding network? Are you getting married? 🙂
Please try the steps below:
Try re-booting your device
Turn the device off and back on or turn airplane mode off then on.
Perform a manual network search:-
• iPhone – Settings > Carrier > Toggle Automatic OFF
• Android – Settings > More Networks > Mobile Networks > Network Operators > Tap OK
• Windows – Settings > Mobile Network > Network Selection > Tap on start manual search