000			00338nam a2200145Ia 4500
008			180112s9999||||xx |||||||||||||| ||und||
020			_a9788126509294
082			_a621.385
100			_aBELLAMY JOHN C
245		0	_aDIGITAL TELEPHONY
250			_a3RD
260			_aNEW DELHI _bJOHN WILEY & SONS _c2000
300			_a643
650			_aTelephony
942			_cGEN_BK
999			_c7236 _d7236