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Info

This guide explains how to use paging on a Wildix system.

Created: March 2018

Updated: July 2018

Permalink: https://confluence.wildix.com/x/vAc8AQ

Table of Contents

RTP multicast and SIP paging

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  • Paging over SIP calls means that the PBX sends a single SIP call to each device of user who is present in the Paging group

The paging method is selected automatically by the system, no special configuration is required - the PBX administrator must only create a Paging group, as described in Chapter Paging - Admin Guide - English. Paging over RTP is preferred (if possible based on network configuration and available devices), if it is not available, paging is sent via SIP calls. 

Requirements and supported devices

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  • New PBXs can receive 15 SIP paging calls + RTP multicast 

  • Pre 2010 PBXs can receive 6 SIP paging calls + RTP multicast


Note

Note: For Cloud / Virtual PBXs:

Limitation on the number of calls is based on CPU capabilities, if CPU MHz value is higher than 700, then 15 SIP calls are allowed. You can check CPU information via SSH using the command:

Code Block
cat /proc/cpuinfo


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Note

Hint: There is a way to increase SIP paging limits of Cloud PBXs by turning it to RTP multicast stream. For this purpose, you need to configure WMS Network between your Cloud PBX and local Hardware PBX:

  • Create a WMS Network between a local Hardware and Cloud PBXs. Refer to this Chapter of WMS Settings Guide for detailed information
  • Add the following Dialplan Applications to route Paging Feature code 91 followed by Paging group ID over the Dialplan procedure:
    • "Call through remote PBX" -> select your local Hardware PBX to generate paging locally and modify the called number to match it with Paging Feature code 91. In our example we use number "991". To modify it, 1 prepend digit (the first 9 digit) was removed
    • "Paging group" -> select the Paging group ID

Paging is now generated locally as RTP multicast and there are no limits to broadcast announcements!


Devices are called in the following priority (if there are 2 registered devices with the same priority, only 1 device will receive a call):

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