Hi everyone! Had my ID SIM for a few months and ported my old number. Yesterday, I set up voicemail and since then, contacts are asking me, 'Who's this?' when I send text messages. My number appears to have reverted back to what must be the original SIM one. Followed instructions re network settings, etc; but still giving out an incorrect number on text messages. Is there a quick fix to this? Thanks!

I set up voicemail and my number has changed on outgoing texts.

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