Mgcp Embedded Events

Chapter 4 Cisco ATA-Supported MGCP Services

MGCP Embedded Events

Parameters in Commands Received from the Call Agent Processed by the Cisco ATA

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

Parameters in Responses Received from the Call Agent Processed by the Cisco ATA

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

The embedded event action (E) can be used to reduce response time and increase bandwidth efficiency 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.

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.

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)

4-12	OL-4803-01

ATA 188, ATA 186 specifications

The Cisco Systems ATA 186, or Analog Telephone Adapter, revolutionized the way traditional telephony interacted with Voice over Internet Protocol (VoIP) systems. Designed primarily for home and small office use, the ATA 186 allows users to connect standard analog phones and fax machines to a network, enabling them to take advantage of the benefits of VoIP technology.

One of the defining features of the ATA 186 is its dual port architecture. It includes two FXS ports, allowing users to connect up to two analog telephones. This functionality means that multiple devices can leverage VoIP services simultaneously without the need for separate adapters for each phone. The flexibility of the ATA 186 helps streamline the user experience, facilitating voice communication over an IP network while ensuring users can still use their existing phone equipment.

The ATA 186 employs various technologies to maintain high-quality voice calls. It supports standard voice codecs such as G.711 and G.729, which ensure efficient bandwidth usage while preserving call clarity. The adaptive jitter buffer technology further enhances call quality, compensating for network variations and minimizing latency, which is crucial for clear and uninterrupted conversations.

Additionally, the ATA 186 provides users with advanced calling features that were traditionally available only on PBX systems. These features include caller ID, call waiting, and voicemail functionality, integrating seamlessly with typical telephony services. The device also supports T.38 fax relay, allowing users to send and receive faxes over the internet, thus addressing the needs of environments where fax communication remains essential.

The security of VoIP conversations is also a priority for the ATA 186. It employs encryption protocols such as Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS), ensuring that voice data is securely transmitted across the network. This focus on security helps protect sensitive information transmitted during calls.

Installation and configuration of the ATA 186 is streamlined, with an intuitive web-based interface that simplifies the setup process. This accessibility makes it suitable for users with varying levels of technical expertise, as frequently required adjustments, such as network configurations and firmware updates, can be easily managed.

In conclusion, the Cisco Systems ATA 186 stands out as a versatile and robust solution for users looking to integrate analog phones into a VoIP environment. With its dual port capabilities, high-quality voice codecs, advanced call features, and security measures, it offers a compelling choice for both residential and commercial users seeking seamless telephony integration. As technology evolves, devices like the ATA 186 remain cornerstones in bridging traditional telephony with modern communication systems.

Cisco Systems ATA 186, ATA 188 manual Mgcp Embedded Events

Models: ATA 188 ATA 186

Parameter

Parameter

MGCP Embedded Events

OL-4803-01

ATA 188, ATA 186 specifications