So, if understand the rules, I can't create an order in the Jobs section if I don't have a mobile phone. Is that correct?
i don't think so.
I've read in the rules (https://www.mql5.com/en/job/rules), but no one expressed about mobile phone.
please reread it. :)
How to Order a Trading Robot in MQL5 and MQL4
"After the Customer's confirmation of "Work Agreement", the Developer will receive the following SMS message (the SMS will be sent on the phone number, specified in the user Profile):"
"Both Customer and Contractor will be informed with such SMS messages after passing each step."
MQL5.community Payment System
Security of Operations
"All critical operations are confirmed by SMS received to the mobile phone number, specified in the "Security" section of your profile. When you save mobile number in your profile, it is confirmed by a verification code sent via SMS."