Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Note
titleWi-Fi usage recommendation

In order to avoid any potential issues of poor or inappropriate wireless connectivity and network parts, we strong recommend to use:

  • Unicast video streaming for all wireless units (unless you are sure about a full multicast support of your Wi-Fi access point)
  • Max. 3 wireless units per installation site/area covered by the Wi-Fi AP can get the video stream from the intercom at the same time (unless you are sure about the bandwidth capabilities of your Wi-Fi access point and interference levels)


Table of content:

Bandwidth requirements for LAN/Wi-Fi
LAN requirements

Wi-Fi requirements

Wi-Fi interference

Typical examples

There are two ways how the 2N Helios IP intercoms can communicate with the 2N® Indoor Touch units:

...

Info
title2N® Helios IP Mobile application for mobile phones, tablets & 2N® Indoor Touch

The 2N® Helios IP Mobile application version 2 for mobile devices supports unicast communication exclusively, therefore it is intended for installations of up to 3 devices to watch the video stream from the 2N Helios IP intercom simultaneously.


The 2N® Helios IP Mobile application version 3 for 2N® Indoor Touch supports multicast communication exclusively. Therefore there is no limitation of the end-points quantity, however the local network has to support multicasting.


The version 4 of the 2N® Helios IP Mobile application for both (mobile devices & 2N® Indoor Touch) has an option to switch between the multicast and unicast communication to adjust the stream. If your network infrastructure does not support multicasting, you can use unicast in a case of a small setup (up to 3 devices in the network) or WiFi connectivity. Otherwise it is high recommended to use the multicast communication for wired connectivity.

For further details see please this FAQ Application, 2N® IP Mobile v.4 2N® Indoor Touch - How to deal with the Unicast x Multicast settings?

...

Tip
titleDynamic IP addressing

It is high recommended to use dynamic IP addresses assignment from a DHCP server running in the local network, because it takes all of the manual work out of IP addressing and you don't have to configure each device one by one. When DHCP is enabled, any new 2N® Helios IP intercom or 2N® Indoor Touch connected to the network asks the server for an address and all the IP settings gets configured automatically. The server itself tracks which addresses are used and which addresses are available, and keeps a record of which addresses have been assigned to the various devices. This ensures that addresses don't conflict with each other and their management is accessible from one place.
Dynamic IP addressing is also supported by the device name calling mechanism w/o SIP proxy (eg. device:IDT, see Application, 2N® IP Mobile v.4 2N® Indoor Touch - How to setup call from/to 2N® IP Intercom?), so you don't need to worry about the reachability of 2N® Indoor Touch/Helios IP Mobile if the IP gets changed.

...

Note
titleWi-Fi usage recommendation

In order to avoid any potential issues of poor or inappropriate wireless connectivity and network parts, we strong recommend to use:

  • Unicast video streaming for all wireless units (unless you are sure about a full multicast support of your Wi-Fi access point)
  • Max. 3 wireless units per installation site/area covered by the Wi-Fi APcan get the video stream from the intercom at the same time (unless you are sure about the bandwidth capabilities of your Wi-Fi access point and interference levels)

...