First, the landline cannot be ported. For the 295 million of you served by former Bells, you won't believe this. But numbers owned by the handful of small rural telcos still out there cannot be ported, period. Let's not debate this one, I've tried it.
So, I have the landline forwarded in advanced settings to my cell phone, per drgeoff's instructions, and the call routing works perfectly. It just won't go to voicemail.
If I forward it to the GV number, you're right, it will just go to my voicemail admin as if I was checking voicemail--so that's no good.
So, there is no solution? I should just pitch the Obi110 and the new GV account? The whole reason I bought it was because of the advertised line bridging....