[time-nuts] Time in Phone System

mike cook michael.cook at sfr.fr
Tue Jul 22 02:29:56 EDT 2014


Works in France too. But someone has to call to get it set. 


Le 22 juil. 2014 à 06:40, Mark Sims a écrit :

> Yes,  the caller ID data has time in it.   There are chips out there that decode caller ID.  I  signaling format isially is the old Bell 202 modem protocol.  The caller ID devices sort of half way answer the phone line when it detects the incoming call and the caller ID info is sent after the first ring. 		 	   		  
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