After updating to 8.1 my sms still doesn't work to other phones is there something I need to do first to get this to work.
On your iOS device there is now a Settings > Messages > Text Message Forwarding section.
On your iOS device there is now a Settings > Messages > Text Message Forwarding section.
On your iOS device there is now a Settings > Messages > Text Message Forwarding section.
I'm still not getting a code appear on my Mac to enter in the iPhone
Frustrating
You need to have your Apple ID email address ticked in iMessage as well as your phone number.
this is it. I only used my phone #. both FaceTime (phone relays) and SMS relay require you also use your email address.
On your iOS device there is now a Settings > Messages > Text Message Forwarding section.