SIP interface
Dialogic® Vision™ CX Video Gateway Administration Manual
Outbound calls
An outbound call (PSTN to SIP) is placed in response to an incoming call. The SIP call
is established through a SIP INVITE. The following table lists the possible responses
to the INVITE:
Response
Description
100 Trying
Provisional response.
180 Ringing
Provisional response - starts the connecttimeout timer.
200 OK
Success.
404 Not Found
Bad destination.
408 Request Timeout
No answer.
486 Busy Here
Engaged.
500 Server Internal Error
Fail.
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