said by WiMax:
DO NOT CALL 9-1-1 from ANY VOIP LINE.
In February, I had to call 9-1-1 after my neighbour collapsed outside in sub-freezing weather. I had to talk to TWO Vonage operators before they could connect me to my local 9-1-1 Center. They all asked the same questions and forced me to repeat the answers and they repeated all the answers to each other. IT took approx. 4 minutes until I was talking to the local 9-1-1.
I can only guess that you had not yet set up your e911 before then.
I fell and broke a bone last year. Called 911. Got through immediately. I've had vonage for years.