1GOKULAKRISHNAN T, LEFFEW J,SHREINIVASAN S, et al. Standardizing call control in voice over internet app- plications: A MGCP approach [C]. Fourth IEEE International Caracas Conference on Devices:Circuits and Systems,Aruba, 2002:91-111.
2Network working group. Media Gateway Control Protocol Version1.0 RFC2705[S], 1999.
3GREENE N. Media gateway control protocol architecture and requirements[S]. RFC2805,2000.
4Network working group. Megaco Protocol Version 1.0 RFC3015 [S].2000.
5ANDREASEN F, FOSTER B. Media gateway control proto- col version 1.0[S]. RFC3435, 2003.
