Obihai Technology is a company that manufactures analog telephone adapters that support Session Initiation Protocol (SIP), XMPP, and Google Voice compatible Internet telephony.
Obihai Technology is a company that manufactures analog telephone adapters that support Session Initiation Protocol (SIP), XMPP, and Google Voice compatible Internet telephony. (en)
Obihai Technology is a company that manufactures analog telephone adapters that support Session Initiation Protocol (SIP), XMPP, and Google Voice compatible Internet telephony. (en)