CSipCallState

• Base type Enumeration

A textual convention containing the list of call states a SIP call undergoes. The list of call states and their descriptions are given below : 'none' - None of the following. 'idle' - SIP communication has not been initiated. 'setupBuffered' - A setup indication has been received from the application, but it has been buffered. The INVITE will be sent at a later time. 'sentInvite' - A SIP INVITE request has been sent and no response has been received. 'rcvdProceeding' - A non-final response (1xx) has been received in response to an INVITE request. 'outgoingResrResv' - A PRACK has been sent after receiving a 183 and QoS resource reservation has been initiated. 'outgoingResrAllocated' - QoS reservations have completed and an UPDATE has been sent. 'active' - A 2xx (Success) response has been received for an INVITE message and the call is now active. 'rcvdTransfer' - A SIP REFER request was received for an active call. 'disconnecting' - A SIP BYE or CANCEL request has been sent and no response has been received. 'dead' - The call has been cleared in normal or abnormal fashion. 'rcvdInvite' - A SIP INVITE request has been received for an incoming SIP call. 'sentQosProgress' - An INVITE with QoS precondition has been received. A 183 Session Progress response has been sent in response. 'incomingResrResv' - A 200 (OK) for a PRACK has been sent out and QoS resource reservation has been initiated. 'sentAlerting' - A SIP 180 (Ringing) response has been sent. 'sentSuccess' - A SIP 2xx response has been sent. 'midCallLocalRespPending' - A SIP mid-call INVITE was received and the response has not been sent yet. 'sendMidCallInvitePending' - A SIP call is active and a mid-call INVITE needs to be sent. 'sentMidCallInvite' - A SIP mid-call INVITE has been sent. 'rcvdSubscribe' - A SIP SUBSCRIBE request was received. 'subscribeSuccess' - A response for the SUBSCRIBE request was received. 'subscribeExpired' - The SUBSCRIBE request for a particular event has expired. 'sentPreAuthRequest' - A SIP INVITE was received and a preauthorization request has been sent. 'sendNotify' - A NOTIFY message for an event earlier subscribed was sent. 'subscribeIdle' - This state is the initialization state for SUBSCRIBE/NOTIFY messages. 'sentSubscribe' - A SIP SUBSCRIBE request has been sent. 'subscribed' - The user agent has been subscribed with the messaging system. 'initTransfer' - A SIP REFER request was received and the call was placed on hold in preparation for the transfer. 'outgoingRegister' - A SIP REGISTER message has been sent. 'incomingRegister' - A SIP REGISTER message has been received. 'rcvdUnsolicitedNotify' - A Cisco-proprietary unsolicited NOTIFY message was received.