The voice group call service (VGCS) is a mobile communication service for GSM, that allows subscribers to communicate to multiple other subscribers at the same time. For this special mobiles are required that support this function. A first deployment was seen with European Railways. This service is a feature of ASCI (Advanced Speech Call Items) in GSM.
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Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for voicecalls for the delivery of voice communication...
States. It is used for call forwarding and voicemail services, voice and text messaging, as well as U.S. and international calls. Calls are forwarded to the...
the quality of voiceservice is specified by two measures: the grade of service (GoS) and the quality of service (QoS). Grade of service is the probability...
prepaid and postpaid voice and data services; HP OpenCallService Controller, an open platform for constructing multi-network-based services and developing...
inbound call centre is operated by a company to administer incoming product or service support or information inquiries from consumers. Outbound call centres...
system that is richer, provides phonebook polling (for service discovery), and can transmit in-call multimedia. It is part of the broader IP Multimedia Subsystem...
Communications via Voice over Internet Protocol (VoIP) can readily employ wideband audio. When PC-to-PC calls are placed via VoIP services, such as Skype...
and voice-over-IP (VoIP) service owned by technology conglomerate Meta. It allows users to send text, voice messages and video messages, make voice and...
Muslim Sunni Salafi militant group with possible links to al-Qaeda, appeared on Voice of America's Persian-language service. The interview was condemned...
that has features of caller ID, call-blocking, flash-messaging, call-recording (on Android up to version 8), chat and voice by using the Internet. It requires...
a person or voice announcement that will serve the caller. Experts claim that "the invention of ACD technology made the concept of a call centre possible...
Kingdom.[citation needed] AT&T developed a system called 1A Voice Storage System to support custom services including voicemail for the public telephone system...
Internet. The service broadcasts 24 hours a day. The World Service states that its aim is to be "the world's best-known and most-respected voice in international...
Frontier ServicesGroup (FSG) is a Chinese state-owned Africa-focused security, aviation, and logistics company founded and led until April 2021 by Erik...
some VoiceXML platforms to handle the initial call setup between the caller and the voice browser, and to provide telephony services like call transfer...
through voicecalls, video calls, text messaging, and media and files. Communication can be private or take place in virtual communities called "servers"...
Call the Midwife is a British period drama television series based on the best-selling memoirs of former nurse Jennifer Worth, who died shortly before...
Call Control eXtensible Markup Language (CCXML) is an XML standard designed to provide asynchronous event-based telephony support to VoiceXML. Its current...
service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller's telephone number to the called party's...
quality of service (QoS) on modern IP networks. DiffServ can, for example, be used to provide low-latency to critical network traffic such as voice or streaming...
provide online social games, music, shopping, microblogging, movies, and group and voice chat software. As of March 2023, there were 597 million monthly active...
Class of service (COS or CoS) is a parameter used in data and voice protocols to differentiate the types of payloads contained in the packet being transmitted...
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