I have used a SIP line with my Comfort Alarm for over 5 years, it works well. I'm using a Cisco 2port SIP phone adapter, this means you configure the Cisco SIP adapter to login to your SIP account and plug a network cable into your router, you can then just plug normal phone devices like the Comfort alarm into the SIP adapter. You will need a very small UPS for the SIP adapter and your router to ensure it works during power loss. A SIP account with proper phone number is much cheaper than a normal landline. Last edited on Friday Mar 11th, 2022 09:06 am by Krobar
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