NYC ATT Android SMS 'unable to send message' Strangely sending to that phone from an iPhone looks like it sent, but nothing was received Calling from Android

NYC ATT Android SMS 'unable to send message' Strangely sending to that phone from an iPhone looks like it sent, but nothing was received Calling from Android to iPhone gives 'your phone is not registered', iPhone to Android plays a 'call could not be completed' iMessage between iPhones seems okay