Cannot make or receive calls

[Martin99]

Please can anyone advise how I fix the call issue, IPhone 14 and cannot make or receive calls. Says call failed after about 10 seconds. I cannot hear the caller and they cannot hear me.

whatsapp calls work fine?

[Enlli]

Any chance of trying the SIM in a different phone to see if the fault follows the SIM

If so it is either a SIM or Account Problem 

If you call into an O2 shop with Photo ID they will replace the SIM

If you

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@Martin99 wrote:

Please can anyone advise how I fix the call issue, IPhone 14 and cannot make or receive calls. Says call failed after about 10 seconds. I cannot hear the caller and they cannot hear me.

whatsapp calls work fine?

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need to contact O2.

Message them on Social Media. Facebook (https://o2uk.co/O2CFB) , Twitter (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) 

Or phone them on 202 or 0344 809 0202 (contract) 

4445 or 0344 8090222 (PAYG)

[MI5]

@Martin99 

Check these guides:

Guide: How can I sort out my network issues? 

Guide: Is the network down for me or everyone? 

[Oxonian]

@Martin99 

In the unlikely event that the evidence eventually points towards this being an issue with your handset, you will need :-

Contact – Official Apple Support (UK)

https://support.apple.com/en-gb/contact