I can confirm everything and more of what the "successful user report" says.
By the looks the new chan_gsm_bt has the ambition to actually lift the project off the ground.
At the stage the source link on their website is broken, but i'm hoping it's because they're about to release something very nice.
All the best to them and i'm impatiently waiting on updates.
Some sort of a mailing list would be greatly appreciated also.