LoudTalks beta

The fastest way to communicate online. Don't type or call — just push F7 and speak! Reply, when convenient, talk to all people in a group at once or anyone individually, re-play the entire conversation later from voice history. It works on your Windows Mobile device too.
Loudtalks Cloud Managed enterprise push-to-talk service Talk instantly to anyone in the team with less than 1 second (*) call setup time Communicate up to 100 participants at once in a push-to-talk call group Manage user accounts, channels and access rights from admin web-console Use with any operator, anywhere in the world Re-play complete conversations later from voice history Use client SDK and server API to integrate with your existing applications Connect together users on PC, Windows Mobile and conventional two-way radios Easy 2-minutes network setup
Support Chinese.

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LoudTalks beta OS4.5/4.6 1.8
LoudTalks beta OS5.0 6.0 1.8
LoudTalks beta OS7.0 1.8