If you wish to provide SMS Chat services you will need to verify your mobile phone number.
To verify and perform the Mobile Activation for the Chat services, please click the link here.
In case you simply wish to display your phone number on your profile, you are not required to verify your phone number.
In other words, if you are only offering escort services and want to display your mobile phone number, you do not need to verify it.
For instructions on how to verify your mobile phone number, please check out the article How do I verify my mobile number?