2Under SIP Parameters, enter the V7122 gateway domain name in the Gateway Name field. If the field is not specified, the V7122 gateway IP address is used instead (default).

3When working with a Proxy server, set the Working with Proxy field to Yes, and then enter the IP address of the primary Proxy server in the Proxy IP Address field. When no Proxy is used, the internal routing table is used to route the calls.

4Enter the Proxy name in the Proxy Name field. If Proxy name is used, it replaces the Proxy IP address in all SIP messages. This means that messages are still sent to the physical Proxy IP address but the SIP URI contains the Proxy name instead.

5Configure Enable Registration to Yes or No:

No = the V7122 gateway does not register to a Proxy server/Registrar (default).

Yes = the V7122 gateway registers to a Proxy server/Registrar at power up and every Registration Time seconds. For detailed information on the parameter Registration Time see the V7122 Digital Gateway User Guide.

6Select the coder (that is, vocoder) that best suits your VoIP system requirements. The default coder is: G.723.1 30 msec. To program the entire list of coders you want the V7122 gateway to use, see the V7122 Digital Gateway User Guide.

7Map outgoing calls to IP addresses (when Proxy is not used) by completing these steps:

a)Click the arrow button next to the Tel to IP Routing Table label; the Tel to IP Routing screen opens.

Any telephone number whose destination number matches the prefix defined in the Destination Phone Prefix field and whose source number matches the prefix defined in the adjacent Source Phone Prefix field, is sent to the IP address entered in the IP Address field.

b)Click Submit; the Tel to IP Routing table is automatically updated.

c)Click Quick Setup; you are returned to the Quick Setup screen.

For more information about the Tel to IP Routing table see the V7122 Digital Gateway User Guide.

8Enable E1/T1 B-channels by completing these steps:

a)Click the arrow button next to the Trunk Group Table label; the Trunk Group Table screen opens.

b)Select the number of the trunk you want to enable from the Trunk ID drop-down list.

c)Enter the number of B-channels you want to enable in the Channels field.

d)Enter the starting phone number in the adjacent Phone Number field (these are virtual numbers, used only to define enabled B-channels).

e)Click Submit; the Trunk Group Table is automatically updated.

f)Click Quick Setup; you are returned to the Quick Setup screen.

9Click the Reset button, and then at the prompt click OK; the V7122 gateway applies the changes and restarts. This takes approximately three minutes to complete. When the

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V7122 Digital Gateway Installation Guide

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3Com V7122 manual
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V7122 specifications

The 3Com V7122 is a robust and versatile Layer 2/3 switch designed for small to medium-sized enterprises seeking a reliable networking solution. It plays a crucial role in improving network performance and enhancing connectivity for a growing number of devices in today’s digital landscape.

One of the standout features of the V7122 is its advanced switching capabilities. It supports 24 Ethernet ports, providing ample connectivity options for various end devices like computers, printers, and cameras. The switch offers a combination of copper and fiber interfaces, ensuring flexibility in deployment, whether for short-range or long-range connectivity.

The V7122 is equipped with a sophisticated traffic management system, which includes Quality of Service (QoS) features. This allows organizations to prioritize network traffic according to application requirements, ensuring bandwidth is allocated effectively. With this capability, time-sensitive applications such as voice-over-IP (VoIP) and video conferencing can function smoothly without interruption.

Another significant technology incorporated into the 3Com V7122 is its compatibility with VLAN (Virtual Local Area Network) configurations. This feature enables the segmentation of a network into multiple virtual networks, enhancing security and reducing congestion by limiting broadcast traffic. The ability to create subnets helps organizations to better manage their network resources and maintain optimal performance.

Moreover, the V7122 supports various network protocols, facilitating seamless integration within existing IT infrastructures. Its stackable design allows for easy scaling, enabling businesses to expand their network as needed without a complete overhaul. The switch also boasts an intuitive user interface, which simplifies management and configuration processes, making it accessible to network administrators of varying skill levels.

The 3Com V7122 stands out for its reliability and durability as well. It is built to handle the demands of an enterprise environment, featuring a compact and robust chassis designed for continuous operation. With the ability to support power over Ethernet (PoE), the switch can power connected devices directly through the Ethernet cable, eliminating the need for separate power supplies and reducing cable clutter.

In conclusion, the 3Com V7122 is a powerful networking solution that combines advanced switching features, traffic management capabilities, and flexible configurations. Its compatibility with various technologies and protocols makes it an ideal choice for organizations looking to optimize their network infrastructure for current and future demands.
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