gnat + telephony   9

FOUR-FOOT DIAL SHOWS PHONES MYSTERIES
photos of old "how to use a phone" education prop
hardware  telephony  history 
april 2008 by gnat
Real-Time Graz
Tracking cellphone traffic through the city of Graz. Pretty pictures.
viz  mobile  telephony 
october 2005 by gnat
SIPBroker
Creates an artificial area code/number system for SIP phones and SIP providers.
voip  telephony  sip 
september 2005 by gnat

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