A group SMS was sent from my phone to two iPhones and one non iPhone. It appears that the message was sent as SMS not iMessage and was received by one of the two iPhones and the non iPhone. However, the last iPhone did not receive the message track at all. Independent SMS messages and iMessages to the iPhone that does not seem to be able to be part of the thread did not seem to go through. Both iPhone are 5s
I'm unable to figure out what is causing this and how to fix this.
Any suggestions? All iPhones appear to be using the latest IOS.
