POTS 除为用户提供基本的话音通话外,PSTN 还能提供一些附加的业务,这些业务在国外称为普通老式电话业务(POTS,Plain Old Telephone Service),而在国内,我们称之为新业务,当然,这还是沿用数前的叫法。这些业务有的是收费的,有的是不收费的,而这些新业务号码通常以 * 开头。古老的话机是转盘式的(就是电影上蒋介石...
VoIP Thesaurus Medical Financial Acronyms Encyclopedia Wikipedia Related to VoIP:Mobile VoIP VoIP (vē′ō′ī′pē′, voip) n. A communications protocol for transmitting telephone calls over a computer network, especially the internet. [V(oice) o(ver) IP.] ...
VoIP(Voice Over IP):承载于IP网上的语音通信。 PSTN(Public Switched Telephone Network):公共交换电话网,就是我们日常打电话所使用的电话网络。 1.1PSTN起源与发展 1.1.1 最早的电话网 第一次语音传输是贝尔在1876年用振铃电路实现的。 1.1.2 人工电话交换时代 交换机诞生,它位于整个电话网的中心,用于连接每个用...
Free VoIP Conferencing is a fully integrated conferencing service that provides multiple levels of connectivity. Conduct conferences using either your PC via Flash Phone or use a regular telephone system which ever you prefer. Service Features
VoIP(Voice Over IP)即承载于IP网上的语音电话。 PSTN(Public Switched Telephone Network)即公共交换电话网。 交换机(Switch或Exchange)位于电话网的中心,用于连接每个用户。 交换机间通过中继线(Trunk)相连。 现行电话网采用E.164号码格式。 E1,T1。
5 We use their telephone system at A Cleaner World Uniform Rental and they ar Marty Heim September 6, 2024 5 Ideacom have provided my communications since 2004. Several phone systems a Roger Grosser September 6, 2024 5 John Thomas and Brad Ader are the best in the business. If you ...
VoIP(Voice Over IP):承载于IP网上的语音通信。 PSTN(Public Switched Telephone Network):公共交换电话网,就是我们日常打电话所使用的电话网络。 1.1 PSTN起源与发展 1.1.1 最早的电话网 第一次语音传输是贝尔在1876年用振铃电路实现的。 1.1.2 人工电话交换时代 ...
Twitter Google Share on Facebook telephone-answering system [′tel·ə‚fōn ¦an·sə·riŋ ‚sis·təm] (communications) A special type of private branch exchange system used by a telephone-answering service bureau to provide secretarial service for its customers. ...
>Online Telephone/Free Call Services - Page:1 Forums>Help!>Online Telephone/Free Call Services Login/Join to Participate PeleBRONZE Member the henna lady 6,193 posts Location: WNY, USA Posted:16 years ago Does anyone have any advice about the best free/cheap online phone service to call int...
5 We use their telephone system at A Cleaner World Uniform Rental and they ar Marty Heim September 6, 2024 5 Ideacom have provided my communications since 2004. Several phone systems a Roger Grosser September 6, 2024 5 John Thomas and Brad Ader are the best in the business. If you ...