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The WLAN IP Telephony Manager 2245 works with the APs to provide QoS on the WLAN. All voice packets are encapsulated by the WLAN handsets. The encapsulated voice packets to and from the WLAN handsets are handled by the WLAN IP Telephony Manager 2245 and routed to and from the BCM.

SVP is the QoS mechanism implemented on the WLAN handsets and APs to enhance voice quality over the wireless network. SVP gives preference to voice packets over data packets on the wireless medium, increasing the probability that all voice packets are transmitted with minimum delay. SVP is fully compliant with the IEEE 802.11 and 802.11b standards.

Each subnet where the WLAN handsets operate requires at least one WLAN IP Telephony Manager 2245. One unit can process 90 simultaneous calls. If greater capacity is required, multiple units can be used in a master-slave arrangement.

Note: The WLAN Handset 2211 uses IP multicast addresses for the Push-To-Talk (PTT) feature. This requires that multicasting be enabled on the subnet used for the WLAN Handset 2211 and the WLAN IP Telephony Manager 2245. Refer to the Nortel Networks WLAN Handset 2210/2211 User Guide for more information on the PTT feature.

Physical description

The front panel of the WLAN IP Telephony Manager 2245 contains ports to connect to the following:

•power

•LAN

•administrative computer through an RS-232 port

Status LEDs supply information about the status and activity of the WLAN IP Telephony Manager 2245. See Figure 2.

Figure 2 WLAN IP Telephony Manager 2245 front panel

•RS-232ports - the male DB-9 connector (DTE). Provides an RS-232 connection to a terminal, terminal emulator, or modem for system administration.

•Link LEDs

—LNKOK - lit when there is a network connection

—ACT - lit when there is system activity

Overview

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Nortel Networks MOG7xx, MOG6xx manual Physical description, Wlan IP Telephony Manager 2245 front panel
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MOG6xx, MOG7xx specifications

Nortel Networks was a prominent player in the telecommunications industry, known for its innovative products and solutions. Among its offerings are the MOG6xx and MOG7xx series of voice over IP (VoIP) gateways, designed to enhance and facilitate voice communications over data networks.

The MOG6xx series, which includes models like MOG660 and MOG670, was introduced to serve as a bridge between traditional telephony and modern IP-based networks. These gateways feature advanced signaling and media capabilities that make them an essential tool for businesses looking to migrate to IP telephony. The MOG6xx series supports a wide range of protocols, including SIP, H.323, and MGCP, ensuring interoperability with various systems and devices.

One of the key characteristics of the MOG6xx series is its scalability. These gateways offer flexible capacity options that allow organizations to start with a smaller investment and expand as their communication needs grow. Additionally, the MOG6xx series is designed to support numerous simultaneous calls, ensuring that businesses can operate efficiently even during peak usage times.

The MOG7xx series, including the MOG770 and MOG730 models, builds upon the foundational technologies of the MOG6xx with enhanced features and capabilities. The MOG7xx series focuses on providing higher capacity and advanced functionalities, making it particularly suitable for larger enterprises or service providers. Key features include improved echo cancellation, advanced call routing, and enhanced security protocols to protect voice data from unauthorized access.

Both the MOG6xx and MOG7xx series leverage Nortel's expertise in voice quality assurance through integrated voice processing technologies. This ensures that calls maintain high audio quality, crucial for effective communication. Additionally, these gateways support various codecs to accommodate different network conditions, further enhancing their versatility.

In terms of management, both series are equipped with user-friendly interfaces and robust diagnostic tools that enable administrators to efficiently monitor and manage voice traffic. This not only simplifies troubleshooting but also assists in optimizing network performance.

Overall, the Nortel MOG6xx and MOG7xx series provide reliable, scalable, and flexible solutions for organizations looking to integrate voice communications with their data networks. Their support for industry-standard protocols, commitment to voice quality, and advanced feature set make them standout options in the increasingly competitive landscape of VoIP gateways.
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