the messages from the Call Controller. In the following diagram, there are two 180 messages generated by the SIP proxy, meaning that user logged into three Teams clients and each client send the call progress. Every message is a separate session (parameter “tag” in “To” field is ...
In the following diagram, there are two 180 messages generated by the SIP proxy, meaning that user logged into three Teams clients and each client send the call progress. Every message is a separate session (parameter “tag” in “To” field is different) A Call Acceptance message is sent ...
403 Forbidden 404 Not Found: User not found 405 Method Not Allowed 406 Not Acceptable 407 Proxy Authentication Required 408 Request Timeout: Couldn't find the user in time 410 Gone: The user existed at one time, but is no longer available at the server and no forwarding address ...
The endpoint role may be set to active, meaning that it initiates a connection, or to passive, meaning that it accepts a connection. A value of none in this field means that the feature is disabled. Check media source packets Media source packet checking is enabled or disabled. Maximum...
Since this behavior would make subscribers available for use as amplifiers in denial of service attacks, we have instead elected to give the 481 response special meaning: it is used to indicate that a subscription must be cancelled under all circumstances. NOTIFY requests MUST contain a "...
Following the start line, SIP messages contain SIP headers (also called SIP fields) that convey message attributes and to modify message meaning. SIP headers are similar to HTTP header fields and always have the following format: :<value>SIP messages can...
403 Forbidden 57 Bearer capability not authorized 404 Not found 1 Unallocated number 405 Method not allowed 127 Interworking, unspecified 406 Not acceptable 407 Proxy authentication required 21 Call rejected 408 Request timeout 102 Recover on Expires timeout 409 Conflict 41 Temporary failure...
Provides a URI whose meaning depends on the type of request or response it is in. The field value can contain a display name, a URI with URI parameters, and header parameters. Content-Disposition. Describes how the message body or, for multipart messages, a message body part is to be int...
notifier SHOULD reply to the request with a "403 Forbidden" or "603 Decline" response, unless doing so might reveal information that should stay private; see section 5.2. If the notifier owner is interactively queried to determine whether a ...
Status code (488) indicating that the response has the same meaning as 606 (Not Acceptable), but only applies to the specific resource addressed by the Request-URI and the request may succeed elsewhere. static int SC_NOT_FOUND Status code (404) indicating that the server had definitive inform...