1. 谷歌语音：
Google Voice 是一种电话服务，提供呼叫转移服务和语音邮件服务。它允许用户拥有一个号码并将其转发到多部电话。它由Google于 2009 年推出。它适用于 web、android 和 iOS 系统。尽管更改了电话设备，它仍然可以保留电话号码。它使用用户的 Gmail 中的联系人。它提供许多服务，例如语音邮件、免费短信、通话记录、呼叫筛选、阻止不需要的电话以及语音转录到语音邮件消息的文本。
2.叮咚：
叮咚是一款电话应用，可以使用电话号码在手机之间提供语音通话。用户还可以使用此服务发送或接收短信。它还提供实时视频通话服务。它允许一次最多连接 1000 人，即它提供语音电话会议服务。它由叮咚公司于2012年创立，提供通话录音等服务。它主要用于拨打互联网语音电话。它为手机号码和座机号码提供语音通话功能。
谷歌语音和叮咚的区别：
| GOOGLE VOICE | DINGTONE |
|---|---|
| It is a telephone service that provides call forwarding and voicemail services. | It is a telephone service that provides voice calls and messaging. |
| It is owned by Google LLC. | It is owned by Dingtone Incorporation. |
| It was launched in 2009. | It was launched in 2012. |
| It was developed by Google. | It was developed by Dingtone Inc. |
| It offers messaging and voice calls but does not offer video calls. | It offers voice calls, messaging and live video calling. |
| Voice calls can be made only to mobile numbers. | Voice calls can be made to both mobile numbers and landline numbers. |
| It provides services like call forwarding and voicemail. | It does not provide such services. |
| Phone number is required at both ends to make traditional phone calls. | Phone number is necessary at user making call only. |
| It does not provide conference calls. | It provides conference calls during voice calling up to 1000 users. |
| It does not provide call recording service. | It provides call recording service. |