Lee et al. - Google Patents

Internet Telephony Gateway Server-Software Design

Lee et al.

View PDF
Document ID
1912840940099128398
Author
Lee B
Hui S
Foo S
Yeo C

External Links

Snippet

ABSTRACT An Internet Telephony Gateway Server is a server that integrates the Internet into the Public Service Telephone Network (PSTN). It makes use of the Internet as a new form of media to transmit speech audio between two conventional telephones. This paper …
Continue reading at citeseerx.ist.psu.edu (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L29/00—Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00 contains provisionally no documents
    • H04L29/02—Communication control; Communication processing contains provisionally no documents
    • H04L29/06—Communication control; Communication processing contains provisionally no documents characterised by a protocol
    • H04L29/0602—Protocols characterised by their application
    • H04L29/06027—Protocols for multimedia communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements or protocols for real-time communications
    • H04L65/10—Signalling, control or architecture
    • H04L65/1013—Network architectures, gateways, control or user entities
    • H04L65/1046—Call controllers; Call servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/53—Centralised arrangements for recording incoming messages, i.e. mailbox systems
    • H04M3/5307—Centralised arrangements for recording incoming messages, i.e. mailbox systems for recording messages comprising any combination of audio and non-audio components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements or protocols for real-time communications
    • H04L65/10—Signalling, control or architecture
    • H04L65/1003—Signalling or session protocols
    • H04L65/1009—H.323
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Interconnection arrangements between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/487—Arrangements for providing information services, e.g. recorded voice services, time announcement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements or protocols for real-time communications
    • H04L65/60—Media handling, encoding, streaming or conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements or protocols for real-time communications
    • H04L65/40—Services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements or protocols for real-time communications
    • H04L65/80—QoS aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Interconnection arrangements between switching centres
    • H04M7/12—Interconnection arrangements between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step, decimal and non-decimal, circuit-switched and packet-switched, i.e. gateway arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Application independent communication protocol aspects or techniques in packet data networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems adapted for combination with other electrical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals

Similar Documents

Publication Publication Date Title
EP1074125B1 (en) Alternating speech and data transmission in digital communications systems
US5812534A (en) Voice over data conferencing for a computer-based personal communications system
US6298057B1 (en) System and method for reliability transporting aural information across a network
US7680042B2 (en) Generic on-chip homing and resident, real-time bit exact tests
JP2007174708A (en) Method and apparatus for dynamically allocating bandwidth utilization in packet telephony system
US20010052023A1 (en) Method, apparatus, and system for using TCP/IP as the transport layer for screen phones
EP1026861B1 (en) System and method for distributed call signalling in telephony-over-lan networks
US20050232309A1 (en) In band signal detection and presentation for IP phone
CN100461849C (en) Communication terminal and method for controlling the same
WO2007062418A9 (en) Media gateway control protocol (mgcp) package for voice over internet protocol (voip) telecommunication transmissions
US6977911B1 (en) Scalable voice over IP system configured for dynamically switching codecs during a call
US6909709B2 (en) Packetized communications apparatus and method
US8184616B2 (en) Changing codec information to provide voice over internet protocol (VoIP) terminal with coloring service
US20030174657A1 (en) Method, system and computer program product for voice active packet switching for IP based audio conferencing
CN1655568B (en) Use of real-time protocol (rtp) to negotiate code encoding technique
US7499403B2 (en) Control component removal of one or more encoded frames from isochronous telecommunication stream based on one or more code rates of the one or more encoded frames to create non-isochronous telecommunications stream
Lee et al. Internet Telephony Gateway Server-Software Design
US7313233B2 (en) Tone clamping and replacement
US6928078B2 (en) Packetized communications apparatus and method
JP2002300281A (en) Selecting method for voice encoding in voice communication system
Hui et al. Integrating Internet with PSTN networks for voice services
JP2001345804A (en) Telephone system, terminal adapter device and telephone set
Moffat et al. The Internet telephone-a new paradigm
CN102100057A (en) Digital telecommunications system, program product for, and method of managing such a system
Chowdhury et al. Voice over IP