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Watch the video tutorial about setting up a W-AIR Multicell Network (registration is required):

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https://training.wildix.com/lessons/w-air-networks-main-page/

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Description

System architecture

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1. Base station - an essential component of a DECT system. Wildix W-AIR base stations:

• Multicell base stations: W-AIR Base (End Of Life), W-AIR Base Outdoor, W-AIR Base Sync Plus, W-AIR Base Sync Plus Outdoor
• Single Cell base station: W-AIR Base Small Business. Documentation: W-AIR Small Business - Admin Guide, W-AIR Small Business R1 OLD - Admin Guide/wiki/spaces/DOC/pages/30279971

2. Repeater - extends the signal coverage of the base station.

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Wildix W-AIR handsets: W-AIR BasicBasic2, W-AIR 100 (End Of Life), W-AIR LifeSaver, W-AIR Med, W-AIR Office and W-AIR Headset. Follow the online Guides to get detailed information: W-AIR DECT Handsets Guide, W-AIR Headset Guide.

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• LAN PTP Sync or Sync over the air (for sync over the air, refer to W-AIR Network Admin Guide - Sync over the air)
• Up to 16000 users per system
• Up to 30* users registered to 1 base station
• Up to 4000 bases per system
• Up to 8 concurrent calls** per base
• Up to 8 concurrent handovers per base
• Up to 3 repeaters per base 
  • Up to 50 bases - 3 repeaters
  • 50-125 bases - 1 repeater
  • More than 125 bases - no repeater
• Up to 5 concurrent calls per repeater
• Up to 100 repeaters per system
• Base station indoor range: 50 m; outdoor range: 300m

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• A maximum number of 3 cascaded Ethernet switches are supported between the primary device and secondary devices
• Only switches, which fulfil the requirements regarding Ethernet synchronization according to IEEE1588, are recommended and officially supported
• All base stations must be connected to a dedicated DECT VLAN
• The DECT VLAN must be configured to the highest priority in all the switches that are connected to the DECT infrastructure
• The backbone network load should not exceed 50 percent of the total link capacity
• The Ethernet switch must be able to use DSCP as QoS parameter

• The network must support multicast datagrams from

  IEEE1588

  IEEE1588 

  Warning
  Please note

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• that Wildix switches are EOL!  Make sure to select the switches that follow the specifications described above.

  
  

Connecting 3 Repeaters in a chain:

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• Building Penetration: when a signal strikes on a building it is diffracted or absorbed; therefore the signal can be reduced. The amount of absorption depends on the building and its environment, the amount of solid structure
• Interference Sources: other signals can create interferences and weaken the signals of the receiving antennas. These interferences can come from the same network or from the outside. For choosing the optimal position of the Base station and Repeaters, these potential interference sources should be considered before installing a Wildix W-AIR system

• Radio/ Cell Range: a suggested distance between two base stations depends on the physical path between them. If the path loss is lessened, e.g. by minimizing the amount of walls/ obstacles on the path, then the signals of the base stations cover more distance. In a typical office building a suggested distance between two base stations is 30-40

  m

  m 

  Warning
  Do not place base stations close to GSM Media gateways (DaySaver or W01GSM).

  
  

Capacity planning

The maximum quantity of calls is indicated in the list below:

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Bad network topology: (there are more than three switches connected in a cascade)

Good network topology: (no more than three switches connected in a cascade)

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• A maximum number of 3 cascaded Ethernet switches are supported between the primary device and secondary devices
• Only switches that correspond to Ethernet synchronization requirements according to IEEE1588, are supported. It is recommended to use Wildix Switches
• All base stations must be connected to a dedicated DECT VLAN. DECT VLAN must be configured to the highest priority in all the switches that are connected to the DECT infrastructure
• The backbone network load should not exceed 50 percent of the total link capacity
• The Ethernet switch must be able to use DSCP as QoS parameter
• The network must support multicast datagrams from IEEE1588

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• PoE switches or a 48V PoE power injector. Site survey is possible without network connectivity
• A DHCP server. If you are using Wildix PBX as DHCP Server, go to Settings -> System -> DHCP Server and search for the device among the DHCP leases. Detailed information on configuration: WMS Settings Menu Admin Guide.
• A W-AIR base. Reset the base station to the default settings
• A W-AIR handset. Before getting started make sure the handset is fully charged. The handset does not need to be pre-registered to a particular base. Connect the base station to the power injector and turn it on

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When you have placed several base stations, go to the web interface of the base station → select menu LAN Sync and check the columns "Nwk. Jitter" and "Nwk. Delay". Make sure the values are as little as possible. 

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Check the Radio Coverage

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For detailed instructions, refer to Provisioning of Wildix devices - Admin Guide.

Go to menu Devices of the WMS, click +Add and provision the gateway. Provisioned base stations appear in the table of Devices.

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You can assign W-AIR handset to a user via the handset itself or via WMS (starting from WMS 5.04.20220309.1).

Assigning via the handset

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1. Go to WMS -> Devices -> W-AIR devices
   
   
   

   
   

2. Choose the handset and click Assign to user
   
   

   
   

   
   

3. Enter user extension and click Save
   
   
   

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• Fix parts connected to Aruba HP switch will have expected jitter < 300ns
• Fix parts connected via 3 layer switch will have expected jitter < 500ns
• Fix parts connected via 7 layers switch will have expected jitter < 2000ns 

Diagnostics Logging 

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When checking the Radio Coverage on the web interface of the Base station -> menu Multi Cell, pay attention that the coverage values of every connected base in DECT sync source column are infinite by design.

Statistics 

Menu Statistics, accessible via base station web interface, offers access to four administrative menus, allowing the system administrator to monitor:

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If you need to transfer a call to some third party when you have one active call and one call on hold, you can use in-call Feature codes (since it doesn't require opening a new channel): #8 for attended transfer and #9 for blind transfer. Consult Feature Codes and Pre answer Services Guide for detailed information.

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