How do I specify multiple phone numbers in a Bulk Send?

Use a semi-colon to delimit the SMS phone number's.

 
NameEmailPhoneNumberIdentification
John Doejdoe@sample.comnnn-nnn-nnnn;nnn-nnn-nnnSMS
John Hancockjhancock@merchantman.orgnnn-nnn-nnnn;nnn-nnn-nnnSMS

Keywords:
SMS, Phone Auth, Authentication, Bulk Recipient, Bulk Send