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Monitored Alarm No Longer Near A Phone Socket

Chall
in Guest Forum

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Hello Admin, where do I find out what a 21cn line is ? and thanks for the above info. 
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Being a digital user around here line failure is high, lines often drop out very annoying , hkc line failure time is short to , not adjustable , poor imo , on other hand not everyone wants to pay for WiFi or Ethernet etc

Hello Admin, where do I find out what a 21cn line is ? and thanks for the above info.

https://en.wikipedia.org/wiki/BT_21CN

Sky 21cn is currently the worst for alarms.

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Just bobbed a few digi airs in for the old digis that give us round time issues

So far so good

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