Cannot use SMS

[3mom]

For some reason I haven't been able to send any SMS while on a phone call today. Typically I can text anyone while on a call, but haven't been able to. Anyone else having this issue?

[3mom]

I tried all these steps & I'm still unable to send a text message while on a phone call. It comes up with the message that I cannot send a message on the Public Mobile Network.

[Dunkman]

@3mom 

Just tried it with my phone.  Was able to text while on a call.  Using iphone.  

[dabr]

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@3mom wrote:

For some reason I haven't been able to send any SMS while on a phone call today. Typically I can text anyone while on a call, but haven't been able to. Anyone else having this issue?

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Maybe try rebooting your phone.  You can also try removing your SIM and waiting a few minutes and then reinserting and rebooting the phone.  Not sure why your texts would suddenly not work.

Hopefully, someone else may have more suggestions.