Cisco Systems ata 186 Benutzerhandbuch
4-12
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)
OL-4803-01
Chapter 4 Cisco ATA-Supported MGCP Services
MGCP Embedded Events
Parameters in Commands Received from the Call Agent Processed by the
Cisco ATA
Cisco ATA
Parameters in Responses Received from the Call Agent Processed by the
Cisco ATA
Cisco ATA
MGCP Embedded Events
The embedded event action (E) can be used to reduce response time and increase bandwidth efficiency
of MGCP signaling.
of MGCP signaling.
Without embedded events, multiple MGCP messages would be required to achieve the same behavior
that one message with embedded events can achieve. Also, the time for a dial tone to sound after the user
goes off-hook is delayed when embedded events are not used in MGCP messages.
that one message with embedded events can achieve. Also, the time for a dial tone to sound after the user
goes off-hook is delayed when embedded events are not used in MGCP messages.
The Cisco ATA supports one level of embedded commands that are compliant with the MGCP 1.0 and
MGCP 1.0 NCS profiles. An embedded NotificationRequest that adheres to this limitation must not
contain another embedded NotificationRequest.
MGCP 1.0 NCS profiles. An embedded NotificationRequest that adheres to this limitation must not
contain another embedded NotificationRequest.
Table 4-8
Parameters in Commands Received from the Call Agent Processed by the Cisco ATA
Parameter
Usage
ResponseAck
CRCX, MDCX, DLCX, RQNT, AUEP, AUCX
CallId CRCX,
MDCX,
DLCX
ConnectionID
MDCX, DLCX, AUCX
RequestIdentifier
CRCX, MDCX, DLCX, RQNT
LocalConnectionOption CRCX,
MDCX
ConnectionMode CRCX,
MDCX
RequestedEvents
CRCX, MDCX, DLCX, RQNT
SignalRequests
CRCX, MDCX, DLCX, RQNT
NotifiedEntity
CRCX, MDCX, DLCX, RQNT
DigitMap
CRCX, MDCX, DLCX, RQNT
RequestedInfo AUEP,
AUCX
QuarantineHandling
CRCX, MDCX, DLCX, RQNT
DetectEvents
CRCX, MDCX, DLCX, RQNT
RemoteConnectionDescriptor
CRCX, MDCX
Table 4-9
Parameters in Responses Received from the Call Agent Processed by the Cisco ATA
Parameter
Usage
ResponseAck
DLCX, NTFY (1.0, NCS)
NotifiedEntity RSIP