Iphone 4S wont make or receive calls

Alright, so the other night my Iphone was factory restored because it was locked in rocovery mode. I restored it from backup and updated to IOS 7.0.3 and it wont make or receive calls - it says call ended immediately when i dial a number no ringtone no answering machine. I've tried resetting the network settings, restoring from backup (again), and to make things worse my lock button has been broken for months - i haven't had the money for a replacement power sensor strip. Any ideas what i should try to do to fix it? Or do I need to try Factory Restore again? Oh and my 3G works just fine and I can send and receive texts. And its not JailBroken as a final note.

Hi tj2590,
Different carriers may have different codes. ##873283# worked for you, would you tell us which carrier that you use?

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It sounds like your phone is not connecting to the cellular provider network, and you are also unable to connect to the Wi-Fi network. I would recommend these troubleshooting steps from the article named:
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https://support.apple.com/kb/TS3406
Toggle airplane mode: Tap Settings > Enable Airplane Mode, wait five seconds, then turn off airplane mode.
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Check your Do Not Disturb settings: Tap Settings > Do Not Disturb.
Check for any blocked phone numbers: Tap Settings > Phone > Blocked.
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Attempt to isolate to one network band:
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If you're having the issue on 3G/4G, disable 3G/4G, if possible, and try again.
Contact the carrier to check the following:
Your account is properly configured to use the specific iPhone that has the issue.
There are no localized service outages.
Your account doesn't have a billing-related block.
Your calls don't have errors on the carrier system.
Restore the phone as new.
Also, for your Wi-Fi network issues, I would recommend this article named:
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http://support.apple.com/kb/ts1398
Thank you for using Apple Support Communities.
All the very best,
Sterling

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