When certain types of data, such as voice data, is sent over an IP-based network a problem can occur if this data passes a network address translator NAT, which is unable to identify and translate address information contained in the payload portion of a message. Voice-over-IP requires the...
With Global VoIP Communications service, any business with a broadband connection can enjoy a robust voice solution, make local, long-distance and international calls. We offer innovative telecommunication technologies for today’s complex business market. To find out about the list of services that ...
Voice over Internet Protocol, also called VoIP, IP Telephony, Internet telephony, Broadband telephony, Broadband Phone and Voice over Broadband is the routing of voice conversations over the Internet or through any other IP-based network. Companies providing VoIP service are commonly referred to as ...
专利名称：VOICE-OVER-INTERNET TELECOMMUNICATION NETWORKS 发明人：VIKBERG, Jari,NYLANDER, Tomas 申请号：EP2004001762 申请日：20040223 公开号：WO05/081499P1 公开日：20050901 专利内容由知识产权出版社提供 摘要：When certain types of data, such as voice data, is sent over an IP-based network a ...
Traditionally, Public Switch Telephone Network (PSTN), a telecommunication which comes with toll fee charges for long distance calls, is the most commonly used technology for voice communication. However, Internet Protocol (IP) telephony is now gaining wider acceptance, due to its lower cost for ...
Voice transport over IP (VoIP) allows service providers to merge voice and data networks into a single infrastructure. The success of VoIP depends on being able to offer to the end user similar quality of experience. Speech ... AS Lange 被引量: 114发表: 2008年 Speaker recognition from encry...
VoIP also piggybacks on the resiliency of IP-based networks by enabling fastfailoverfollowing outages and redundant communications between endpoints and networks. Learn how VoIP works. VoIP protocols and standards VoIP endpoints typically use either International Telecommunication Union (ITU) standard code...
The deployment of Next-Generation Networks (NGN) is a challenge that requires integrating heterogeneous services into a global system of All-IP telecommunications. These networks carry voice, data, and multimedia traffic over the Internet, providing user
(LAN)36, which may have connected to it application servers40and IP key sets and work stations42, which operate on packetized data in the LAN. In addition, the LAN36is connected through a conventional router/firewall38to the wide area network (WAN), shown as the Internet44, for ...
The authors begin by discussing the components of voice over IP (VoIP). They go on to consider SS7, H.323, SIP (session initiation protocol), voice coders, ITU-T specifications, RTP (real time transport protocol), gateway control, wireless networks, quality of service, packet loss, jitter,...