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This SDK was used to build:

Ozeki Phone System XE - VoIP PBX Software for Developers Which is a high performance PBX system supporting Mobile and Desktop phones.

It was also used to create Ozeki 3D VoIP softphone. A cool SIP client that allows 3D Video calls.

SDK Exception Codes

Exception code	Exception message
10000	Local address cannot be null.
10001	The minPort cannot be higher than the maxPort.
10002	Log file can not be created on the entered file path.
10003	Invalid domainServerHost value.
10004	The value of the domainServerPort has to be between 0 and 65535.
10005	"Can't get sip port {0} on network interface ({1}) !", lastUsedPort, transportFactory.LocalAddress
10006	Line must be registered, or no registration needed!
10007	Could not load native dependencies.
10008	"Could not load {0}", resourceName
10009	"Cannot create SIP transport: Not supported protocol ({0})", protocol
10010	Cannot create SIP transport: Invalid local address or all ports are busy.
10011	Cannot create SIP transport: Invalid local address or port cannot be created.
10012	Cannot create SIP transport: Invalid remote address.
10013	"Could not allocate media channel {0}. All ports are busy.", mediaType
10014	Please use inner phone line creation method

Exception code	Exception message
20000	The playback device has not been initialized.
20001	The recording device has not been initialized.
20002	VADDetector creation failed.
20003	VADDetector already disposed.
20004	PCM data length must be equal 160.
20005	Unexpected error occurred.
20006	AcousticEchoCanceller creation failed.
20007	AEC is disposed.
20008	Unexcepted error occurred.
20009	Preprocessor creation failed.
20010	SPP is disposed.
20011	Source MediaFormat is null.
20012	Destination MediaFormat is null.
20013	Source cannot be null.
20014	Destination cannot be null.
20015	Cannot connect media handlers. (Source type: {0}, Destination type: {1})", source.MediaType, destination.MediaType)
20016	Invalid value. RotateAngle value must be 0, 90, 180 or 270.
20017	"File not found. Path: {0}", filePath
20018	Unsupported file format.
20019	The selected resolution and frame rate is not supported for the selected video capturing device
20020	No capturing device selected.
20021	Control is null.
20022	Could not initialize camera.
20023	Bits per sample must be 8 or 16.
20024	MediaFormat is null.
20025	WaveFormat is null.

Exception code	Exception message
30000	License is already set.
30001	User id cannot be empty.
30002	License key cannot be empty.
30003	User name or license key is not valid.
30004	Your VoIP SDK license does not allow more than {0} parallel call(s).
30005	VoIP SDK trial period has expired.
30006	Your VoIP SDK license does not allow more than {0} phone line(s)

Exception code	Exception message
40000	Flash provider already configured.
40001	Silverlight provider already configured.
40002	Policy service is require Administrator privilege