Figure 3: Using Multiple SIP Extensions
‘Expanded’ zones can also be enabled, allowing up to 50 zones in total. These have the same behaviours as the basic
zones but are hidden by default to simplify the interface.
4.6 SIP Ring Event
Set Monitoring Mode to ‘Monitor "Ring" event on registered SIP extension’ on the Basic Settings → SIP tab. When a
call is made to the SIP extension the 8301 IP Paging Adapter & Scheduler will play the selected audio file from memory
(it will not answer the call). Often, the 8301 will be part of a hunt group or ring group to ring in conjunction with a
telephone.
4.7 SIP Activated Notification Alerts
In addition to voice paging, the 8301 IP Paging Adapter & Scheduler can play audio files for emergency, safety, and
security announcements, customer service, shift changes, etc.
Audio files can be stored in the device’s memory and played over a speaker in response to an event such as an
inbound call, relay input, or automated schedule, as well as multicast to other Algo SIP endpoints on the network. See
Additional Features → Emergency Alerts and Additional Features → Input / Output tabs for more details.
4.8 TLS for SIP Signaling and Provisioning
Algo devices that support firmware 1.6.4 or later support Transport Layer Security (TLS). This feature adds security by
ensuring that Algo products can trust the hosted SIP server. This is useful for when third-party devices or attackers
may try to intercept, replicate, or alter Algo products and try to connect to the server. TLS protocol will ensure that
third parties cannot read/modify any actual data. Previously, security was less of a concern because phone systems
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