单选题
发布日期:2020-04-13
Synchronizes password exchanges for call setup
Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network
Enables two-way voice transmission over a packet-switched TCP/IP network
Eliminates the need for physical cabling in a TCP/IP network
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
其他考试
When experiencing heavy winds,you should reef sails to().
激发光与发射光的波长间stakes位移最大的是( )
饮片斗前,应写正名正字。()
患者,女,65岁。因右股骨颈骨折入院在硬膜外麻醉下行切开复位内固定术。既往有高血压、糖尿病病史,自述平时服用利血平,血压控制在110~150/70~90mmHg。麻醉效果佳,术中患者突然出现大汗、颤抖、软弱无力、心悸等症状。 患者出现上述症状的原因可能是()
五脏的生理功能特点是()
结构功能主义的主要特征是什么?
下列关于区域市场化程度和法制框架对信贷风险的影响,说法正确的是()。
树立“重视发展“的质量评价观应明确哪些问题?
患儿,9个月。高热,烦躁不安,呕吐数次,大便稀2~3次/日,查体:嗜睡,前囟稍紧张,颈抵抗可疑,心、肺、腹无异常,布氏征(+),巴氏征(+)。最有诊断意义的检查是( )
被保险人发出损失通知的方式只可以是口头方式。
暂无相关推荐~
What is a benefit of Internet protocol (IP) telephony?()
What is a benefit of Internet protocol (IP) telephony?()
What are two appropriate uses for Internet Protocol TV broadcasting (IP/TV) tech...
What are two appropriate uses for Internet Protocol TV broadcasting (IP/TV) tech...
Internet Protocol videoconferencing (IP/VC) provides which two business benefits...
Which Internet protocol encrypts and decrypts user page requests, as well as the...
Which Internet Protocol(IP) telephony element is best categorizedas a voice appl...
Which two Internet Protocol (IP) telephony devices are best categorized as infra...
Which two Internet Protocol (IP) telephony devices are best categorized as infra...
Which two Internet Protocol (IP) telephony devices are best categorized as infra...