Google has confirmed reports that it has bought a firm specialising in manufacturing software that enables users to place voice-over-IP telephone calls via their computers and mobile phones.
The search engine provider has acquired Gizmo5, two group product managers at the firm disclosed on its Voice Blog.
Wesley Chan and Craig Walker revealed that while existing users of Gizmo5 can continue to use the service, new signups have been temporarily suspended.
They said: "While we don't have any specific features to announce right now, Gizmo5's engineers will be joining the Google Voice team to continue improving the Google Voice and Gizmo5 experience."
The workers pointed out that the search engine has bought a number of small firms over the last five years.
According to Mr Chan and Mr Walker, the people and technology that have been added to Google have contributed to "all kinds" of products it provides.
They went on to welcome the "Gizmo5 team" to the business, saying they are looking forward to working together to bring more useful features to Google Voice.
Recently, the search engine giant announced it was signing an agreement to purchase mobile display advertising firm AdMob.