Google Voice will also offer free conference calls.

Google语音也提供免费的电话会议。

youdao

If making “SkypeOut” calls to landline and mobile phones—as well as making free voice and video calls from computer to computer—is important to you, then look no further than Gizmo5.

如果通过Skype拨打固话和移动电话--还有在电脑间使用免费的语音和视频电话--对你十分重要, 那么Gizmo5就必定是你的首选了.

youdao

Another finding is that despite the plunging cost of voice calls, and the rise of free internet-calling services such as Skype, people seem to prefer typing.

另一个发现是尽管手机费在下降以及更多像skype的免费互联网电话服务的出现，人们仍然偏向于打字。

youdao

The messaging app already allowed for free voice calls over Wi-Fi, but in BB10 it's adding a FaceTime-like video-chatting feature.

CNN: 5 things that could make BlackBerry 10 a hit

If people are going to be getting free voice calls better that they do it over our networks: at least that way they keep paying us the standing charge.

FORBES: In Order To Beat Skype You Must Become Skype

It's a little buried at the moment -- hidden behind the "i" icon in the chat window -- but everyone's favorite social network is now offering a way to place free voice calls to friends.

ENGADGET: Facebook adds voice recording to Messenger, testing VoIP service in Canada