منابع مشابه
A Voice over IP Quality Monitoring Architecture
A voice over IP quality monitoring architecture based on the development of the VQuality library is described. VQuality implements the E-model and its extensions for objective voice quality measurement. The library also supports generation of a customized voice quality CDR with extensions that permit transfer of call quality parameters measured over different instants of time, besides interacti...
متن کاملVoice Over Quantum IP*
In recent years, there are growing interests to provide telephone services over the Internet. In particular, Internet Services Providers (ISPs) may become the next generation telephone company especially in providing international telephone services. This paper proposes a novel method called quantum IP (QIP) for transporting international voice traffic over the Internet via QIP routers. Emulati...
متن کاملSecure Voice-over-IP
Voice-over-IP (VoIP) is one of the main applications or services, which dramatically increased the spread and usage of the Internet. VoIP describes the transmission and reception of voice and video data over networks that use the “internet protocol” (IP) as transport protocol. With the use of VoIP within company networks (intranet) investors hope to reduce the expenses for infrastructure and ma...
متن کاملAdaptive Voice over IP
We discuss the technical viability of transporting real-time voice over IP networks when the output rate of the speech encoder is adjusted to match the characteristics of the network: speech is coded at low bit rates when the network is congested; at higher bit rates, otherwise. First, issues affecting perceptual QoS are analyzed. The rationale for Adaptive Voice over IP (AVoIP) is explained an...
متن کاملVoice over IP
I n general, “spam” describes information, often dubious in nature, sent to numerous recipients without their prior consent. Although the term typically refers to emails about hot stocks, revolutionary medicine, or adult content, spam can apply to all kinds of messages. Examples range from telemarketing calls and short message service texts to bulk mail and faxes. Since the first incident in th...
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ژورنال
عنوان ژورنال: ACM SIGCOMM Computer Communication Review
سال: 2001
ISSN: 0146-4833
DOI: 10.1145/505666.505669