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Simple SIP (VOIP) based phoneSipek VoIPPortSIP VoIP SDKOZEKI VoIP SDKABTO VoIP SIP SDKConaito VoIP SIP SDK
Audio Peer 2 PeerOuiOuiOuiOuiOuiOui
Video Peer 2 PeerNonNonOuiNonOuiOui
Audio ConferencenonoAudio conferencing, support maximum 100 parties audio conferencingnoyesyes
Video ConferencenonoVideo conferencing, support maximum 30 parties video conferencingnonoyes
SIP SIMPLEOuiOuiOuiOuiOuiOui
BillingNonNon-NonNon-
Termination based in timer and credit----Non-
Group ChatNon-OuiNonNonOui
File Transfer-Non-NonNonOui
LoggingOuiOuiOuiOuiOuiOui
registeringOuiOuiOuiOuiOuiOui
User managementOuiNon-OuiOuiOui
Client VersionOuiNonOuiNonOuiOui
Developer documentationNonNonOuiOuiOuiOui