Nov 30
Emergen moves KESC to an asterisk based IP-internal voice/phone exchange. Hey, atleast now their phones might work 
more here:
http://cyrenity.wordpress.com/2008/11/25/kesc-deploys-asterisk-across-hundreds-of-sites/
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November 30th, 2008 at 3:44 pm
Their extensions will definitely work. Not sure about the PTCL lines at each of their branches. Their strategy is to cut costs by first integrating communication to minimize inter-branch dialing and then centralize outbound calls from the head office. Right now this solution gives them at least 12 PRIs terminated at the head office.
You’ll see the project details on our website’s clients section soon.
Rehan Zafar
COO, Emergen Consulting
http://www.emergen.biz
December 1st, 2008 at 2:00 am
great work Rehan! maybe now they can call each other when faults occur in the grid