SIP Walkietalkie (com.techwolf12.sipwalkietalkie) on Google Play

WhoIs for 'techwolf12.com'

com.techwolf12.sipwalkietalkie
Call someone on sip (or a conversation), and use your phone as a walkietalkie.You will need your own sip server!You can connect multiple phones to one server and call a conference number and use it as a walkietalkie.