I believe I am the person on that other thread to which you refer.
After replacing 3 devices, and countless hours on the phone with both Sprint and Samsung, a friend on this forum (AnnDroid) helped me find a solution.
The problem is with the Google account associated with your device as the primary. The simple fix is to perform a hard reset and assign a different Google account as the primary, and just add the one you currently use like any other.
You will spend untold hours trying to find a fix otherwise. Now mine works perfectly fine. We never found out what causes the problem, but this recommendation will fix it.
Sent from my SPH-L900 using Android Central Forums
Thanks but I'm not going to do a reset and go through all that. I did a reset recently and it is just a big pain in the butt. If I hadn't been having trouble with battery drain I would have never gone through the pain of resetting the phone. Thx anyway
I understand what's you're saying. Through my ordeal I must have reset my phone at least 7 times.
But for me I wanted the feature to work so bad I would have done anything. The funny thing is that the final solution we discovered would have only required one reset, no replacement phones, and no time wasted on the phone with Sprint and Samsung. I just wish it would have not taken so long to discover; and even better if it had worked out of the box.
However, now it works great and I use it often.
Sent from my GT-N8013 using Android Central Forums
Not sure if you've tried this, but if you open the Settings while in Calendar, you can turn off "My Calendar". Leave your Google Calendar checked. Found that on another forum. I wasn't able to save appts with my SVoice either, till I did that. Let me know if it works for you.