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This guide details how to set up emergency announcement extensions and a call-to-cancel extension for use with Emergency Alerts in an Algo 8301. In the setup detailed below, when the announcement extension is dialed, the audio alert is played until the call-to-cancel extension is dialed.   Enabling Multicast Mode:

1. Log in to the 8301's web interface. 
2. Click Basic Settings> Multicast.
3. Ensure that Multicast Mode is set to Transmitter (sender).
4. Ensure that the Multicast type is set to Polycom Group Page.
5. Click Save at the bottom of the page. 

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1. Create a new Generic SIP extension in your NocTel account with a dialable extension number and note the SIP Credentials.
2. Log in to the 8301's web interface. 
3. Click Additional Features > Emergency Alerts. 
4. Set the following settings:
   1. Announcement Duration: Select either Play Until Cancelled or Play Once (for case where you want to auido file to only play once before ending)
   2. Announcement Selection Mode: Direct Extensions
   3. Answer Inbound Call: Enabled
      
      
5. For Announcement enter the following for Announcement 1:
   1. Announcement 1: Enabled
   2. Extension: SIP User ID
   3. Authentication ID: SIP User ID
   4. Authentication Password: SIP Password
   5. Tone/Pre-recorded Announcement: select a tone/recorded you have uploaded
   6. Multicast Polycom Group: The NocTel Polycom paging group number you want the announcement to be sent on. 
      
6. Click Save at the bottom of the page.

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