UPnP Mapping Lines (for remote phones)

Universal Plug and Play (UPnP) is a standard that uses Internet protocols to enable devices to be plugged into a network and automatically know about each other. With UPnP, when a user plugs a device into the network, the device configures itself, acquires a TCP IP address, and uses a discovery protocol based on the Internet's HTTP or HTTPS URL to announce its presence on the network to other devices.

This method of device discovery on a network is called “Universal Plug and Play” or UPnP. If you enable UPnP, and the phone is discovered on the network, port mappings are set up between the phone and the Internet Gateway Device (IGD) in your network. The phone controls the opening, closing, and polling of ports on the IGD. HTTP and SIP use a single port each. RTP/RTCP uses a range of ports.

You can enable the UPnP mappings to specific lines on your phone. You set this configuration using the Aastra Web UI at Basic Settings->Preferences->UPnP Mapping Lines.

Note: UPnP must be enabled on your remote phone before you can configure the

UPnP mapping lines. Contact your System Administrator for more information.

Configuring UPnP Mapping Lines

Aastra Web UI

Use the following procedure to configure the UPnP mapping lines on the IP phone.

1. Click on Basic Settings->Preferences->General.

2.The "UPnP Mapping Lines" field is set to 0 by default. If required, change the setting to a specific line by selecting a line from the list. Valid values are 0 through 10. The line you select is the line that your remote phone uses to perform Universal Plug and Play on the network you are connecting to.

3.Click to save your settings.

Additional Features

Model 6753i IP Phone User Guide

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6753I specifications

The Aastra Telecom 6753i is a versatile and robust IP phone designed for businesses seeking an efficient communication solution. With its array of features and advanced technologies, the 6753i caters to the needs of modern workplaces, ensuring productivity and seamless collaboration.

One of the standout features of the Aastra 6753i is its high-resolution graphical display. This 3.5-inch color screen provides users with clear visibility of essential information, making navigation through menus straightforward. The intuitive interface is further enhanced by programmable soft keys, allowing users to customize their experience according to their preferences.

The device includes three line appearances, which allows users to manage multiple calls efficiently. With the ability to handle simultaneous calls, the Aastra 6753i is suitable for busy environments requiring quick response times. Additionally, the phone supports a wide range of call handling features, including call waiting, call forwarding, and conference calling, enabling a seamless communication experience.

The 6753i is also equipped with HD audio technology, which enhances call clarity and user experience. This technology ensures that conversations sound natural and lifelike, facilitating effective communication between team members or clients. The phone also features a full-duplex speakerphone that allows hands-free operation without compromising audio quality.

In terms of connectivity, the Aastra 6753i supports Power over Ethernet (PoE), eliminating the need for additional power adapters and reducing cable clutter. This feature is particularly advantageous in office setups where space and organization are crucial.

Moreover, the 6753i is compatible with various VoIP protocols, such as SIP, enabling businesses to integrate the phone into their existing telecommunications infrastructure easily. The device offers advanced security features, including encryption and secure boot capabilities, ensuring that sensitive communications are protected.

The addition of a headset port offers further flexibility, allowing users to connect a headset for hands-free convenience, which is particularly useful during extended calls.

In summary, the Aastra Telecom 6753i embodies a blend of user-friendly design, advanced technology, and essential features, making it an ideal choice for businesses looking to enhance their communication capabilities. Whether in a small office or a large enterprise, the Aastra 6753i is designed to meet the demands of today's dynamic business environments.
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