I have spent considerable time on this issue, so I thought I would summarize my experience so far.
I had Packet 8 before SunRocket, I left Packet 8 because their customer support was unavailble via voice or email. Packet 8 support may have changed as that was over a year back. I lost a 5 year established telephone # during the transition from Packet 8 to SunRocket as Packet 8 refused to deal with SunRocket.
As I do not intend to go back to Packet 8, I searched the web and reviewed my options. My next choice was VOiP Your Life. They sent the router very quickly and the # porting process appeared to be in place. Once I installed their router I had issues, probably minor but I could not get a dial tone. I tried their customer service voice line 3 times, a total of 3 hours or more on hold and could not speak to a technician. My email request to cancel was quickly responded to and their router is being picked up for RMA today. Again, I suspect the issue of connectivity was minor, but they were not resolving the problem.
Next up, and also not recommended Cordia. I signed up and everything appeared normal, except there was no email confirmation. Today I called and after endless hold time I spoke to a CSR. My sign on was refused for "fraud", as I provided a good cc (see below) I do not understand the refused sign up. This company failed to notify that I was not signed up and their equipment was not being shipped. Not Recommended (also note telephone wait times).
Next up, one of SunRockets recommendations - teleblend. The rate for SunRocket ejects is great at $12.95/month, # porting appears seamless, but voice mail is not available yet. So I moved on without sign up.
My ISP is Suddenlink and they offer a telephone service. I thought the service was VOiP but apparently it's not (I haven't researched further). I had issues with the Cox to Suddenlink transfer so I was not ready to jump onto their phone service too quickly. A call to their telephone centre was answered in a few short minutes. The problem is their rate compared to VOiP. Their rate with voice answering service is $50/month and Canada calls are not free.
So back to teleblend. Sign on was seamless (same cc as refused by Cordia) and I have received my confirmation email. I will update my process in activating the SunRocket Gizmo for their svce. Also another look at their website appears to indicate their voice answering is in a rollout stage.
I would be interested in reading comments from other SunRocket ejects!