try any of those: default im, hangouts, messenger. and try to use the "full sip stack" or even Google's own gvoice. oh and then add a couple sim cards on the s

try any of those: default im, hangouts, messenger. and try to use the "full sip stack" or even Google's own gvoice. oh and then add a couple sim cards on the same phone and maybe two Google accounts. now good luck trying to control which number will be the outgoing on any of those clients