Cite
MLA Citation
Unknown. Asterisk 1.4 : the professional's guide : implementing, administering, and consulting on commercial IP telephony solutions. Birmingham, U.K : Packt Pub, 2009. http://access.bl.uk/ark:/81055/vdc_100035548080.0x000001
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Unknown. Asterisk 1.4 : the professional's guide : implementing, administering, and consulting on commercial IP telephony solutions. Birmingham, U.K : Packt Pub, 2009. http://access.bl.uk/ark:/81055/vdc_100035548080.0x000001