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Multicast Overview
In addition to the ring and page features, the 8190S is able to receive IP audio multicast
messages over the network to support larger deployment for both paging and
ring/notification. This provides a scalable and efficient method of building large scale
notification solutions.
An Algo 8301 can configured with a SIP Page Extension. When called from a phone, the
SIP registered 8301 auto-answers and plays the page audio over its speaker.
Simultaneously, the registered 8301 endpoint broadcasts the audio over the network
using RTP multicast to any number/combination of Algo IP speakers, paging adapters,
and strobes as required.
The Slave endpoints require a PoE network connection but do not require registration to
the communication server.
Multicasting can also be used to distribute loud ring or other alerting (e.g. safety, security,
or emergency events) over multiple Algo endpoints (e.g. 8190S, 8186, 8188, 8128, 8201,
8301, and 8373).
SIP Paging: Multiple 8190S (Using Multicast)
To use 8190S multicast feature, setup an 8301 Paging Adapter & Scheduler (sold
separately), as a Multicast master.
The Master device will page normally while simultaneously streaming audio to the slave
speakers. The Slave speakers do not require SIP extensions and do not need to register
with the SIP Communication Server.
To enable multicast streaming from the 8301 Paging Adapter & Scheduler go to its web
interface and navigate to the Basic Settings > Multicast tab. Choose multicast mode
'Master/Sender' and zone 'All Call'. The multicast addresses pre-populated in the table,
under Advanced Settings > Advanced Multicast section, will work in most cases and
should only be altered for rare cases.
To enable multicast monitoring in the 8190S, go to the web interface for each speaker and
again navigate to the Basic Settings > Multicast tab. This time though, choose multicast
mode 'Slave/Receiver' There is no need to select a zone as the speaker will
automatically monitor the 'All Call' zone IP address.
The page pre-announce tone is generated from the Master. The following options are
valid for each multicast Slave speaker:
Increase or Decrease Speaker Volume
•
Enable Ambient Noise Monitoring (speaker volume adapts to background noise)
•
Document 90-00105
03/09/2020
Page 13
Algo Communication Products Ltd
4500 Beedie St Burnaby BC Canada V5J 5L2
www.algosolutions.com
8190S SIP Classroom Speaker with Strobe FW 3.1
support@algosolutions.com
(604) 454-3792
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