000			00576nam a2200205Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9780070447448 _c(pbk)
082			_223 _a621.399 _bHEL
100			_aHeld, Gilbert
245		0	_aVoice and data internetworking
250			_a3rd ed.
260			_aNew Delhi: _bTata McGraw-Hill, _c2001
300			_a397 p.; _bill., index.: _c23 cm.
650			_aIP Telephony-related Protocols
650			_aProtocols
650			_aTelephone Operations
650			_aUnderstanding Voice
650			_aVoice Over ATM
942			_2ddc _cBK
999			_c10482 _d10482