You attempted to initiate an outbound phone call or send a message, but the To
phone number you supplied was not a valid phone number or was incorrectly formatted. Twilio accepts phone numbers in E164 format: [+] [country code] [subscriber number including area code]
.
To
number you supplied was invalid.To
and From
parameters).To
number with an invalid prefix using a Messaging Service.[+] [country code] [subscriber number including area code]
.To
parameter.To
number with an invalid prefix, remove the prefix and send directly to the To
number using E164 format: [+] [country code] [subscriber number including area code]
. If the To
number is able to accept RCS messages and there is an RCS Agent available in the Messaging Service Sender Pool, it will be selected to send to the given To
number.