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# SMS number can now be unset from a contact

SMS number can now be unset if the contact has a valid EMAIL address. Also, error for duplicate SMS will now be thrown if the SMS is updated to a number which belongs to an already existing contact.

Routes:\
[https://developers.sendinblue.com/reference#createcontact](https://developers.sendinblue.com/reference#createcontact)\
[https://developers.sendinblue.com/reference#updatecontact](https://developers.sendinblue.com/reference#updatecontact)

## SMS number validation improved

SMS number passed in **Contact create/update api** will only be accepted if passed with proper country code & number combination.\
Some examples of accepted numbers

+91 9788824675\
0091 9788824675\
919788824675\
+44 (0)7771234567\
+1 (206) 123-4567