Network Working Group A. Srinath Request for Comments: 3149 G. Levendel Category: Informational K.
Network Working Group B. Foster Request for Comments: 3064 Cisco Systems Category: Informational F
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Dear Betty, Your company superiors must think you are capable or they wouldn't have transferred you
在软交换业务中,终端IAD设备的布署是一个需要很慎重决定问题。这需要从IP语音协议技术底层进行考虑。目前可以用来大规模组建IP电话的技术主要有:H.323、SIP和MGCP(H.248)。前两个协
Network Working Group F. Andreasen Request for Comments: 3435 B. Foster Obsoletes: 2705 Cisco Syst
Network Working Group D. Cromwell Request for Comments: 2897 Nortel Networks Category: Information