IP telephone of wideband IP network


Application Number: 00119543
Application Date: 2000.08.01
Publication Number: 1336752
Publication Date: 2002.02.20
Priority Information:
International: H04M11/06
Applicant(s) Name: Shanghai Longlin Communication Techn. Co., Ltd.
Address:
Inventor(s) Name: Guo Yuelun;Gao Hanzhong;Li Qi
Patent Agency Code: 31100
Patent Agent: shen zhaokun
Abstract The invention provides an IP telephone on wide band IP network which can ensure high communication quality and reduce the expenses. Said IP telephone comprises earphone, faceplate, sampling module used to transform analog signal into digital signal, didital/alaog signal transforming module used to transform digital signal into analog signal, simulated ringing and dialing voice module used to generate anolog audio signals of ringing, dialing and busy tone, audio compressing and decomprising module used to do full duplex audio compression and decompression, protocol signalling control module used to exchange communication agreenment and signalling with called party and set communication process, network interface module used to connect with IP network and IP packing and unpacking module used to packing or unpacking.