1[1]M.Arango,et al.,Media Gateway Control Protocol 0.1 draft-huitema-mgcp-vOrl-03.txt.Feb 21,1999,p.6-54
2[2]F.Dawson,Is IP Telephony in Your Future,http:\www.cedmagazine.com\
3[3]MCNS Holdings,Data-Over-Cable Service Interface Specifications:Radio Frequency Interface Specification,SPRFIV1.1-102-990311,Interim Specification.Jul.,1999,p.117-119
4[4]Broadcom Corporation,Advanced Specification of BCM3300 QAMLINK MCNS MAC and Transceiver,1998
