I would recommend NOT using google voice as a trunk. That said and as always without any form of endorsement, the most straightforward way is to use @billsimon 's gateway service.
Google: “sip google voice gateway” it should be the first result.
I would recommend NOT using google voice as a trunk. That said and as always without any form of endorsement, the most straightforward way is to use @billsimon 's gateway service.
Google: “sip google voice gateway” it should be the first result.