Internet telephony for dummies /
Briere, Daniel D.
Internet telephony for dummies / Daniel D. Briere, Patrick J. Hurley - New Delhi: Comdex Computer Publishing 1996 - xx, 331p.;
004.738 5 / BRI
Internet telephony for dummies / Daniel D. Briere, Patrick J. Hurley - New Delhi: Comdex Computer Publishing 1996 - xx, 331p.;
004.738 5 / BRI