Hi chhl. With Plivo, you also need to get legitimate numbers to send SMS messages. (numbers purchased on Plivo or numbers ported to Plivo) As you know, this is

Hi chhl. With Plivo, you also need to get legitimate numbers to send SMS messages. (numbers purchased on Plivo or numbers ported to Plivo) As you know, this is a preventive measure against spoofing; however there are some edge cases where allowing custom caller IDs might make sense. (e.g. when you want to have people you called get back to a certain number—custom phone line numbers at a large organization.)