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DEFINITION: Call control is a process that is used in telecommunications networks to monitor and maintain connections once they have been established. In voice over Internet Protocol (VoIP) systems, call control is used to control connections between H.323 endpoints, or between an endpoint and a gatekeeper. H.323 is an International Telecommunication Union (ITU) standard for digital communication between terminals,  … 
Definition continues below.
Telecommunications NetworksReports
26 - 36 of 36 Matches Previous Page  |  Next Page
MPEG-4 Over IP Networks
sponsored by Motorola, Inc.
WHITE PAPER: This paper describes the technology behind the efficiency gains that are realized using MPEG-4 as a video compression technology for real time content distribution networks.
Posted: 05 Jan 2009 | Published: 23 Dec 2008

Motorola, Inc.

New RF Return Path Technologies for GPON
sponsored by Motorola, Inc.
WHITE PAPER: New return path technologies allow service providers to continue to leverage their traditional headends, set-top boxes and next generation DOCSIS set-top boxes in new GPON networks.
Posted: 05 Jan 2009 | Published: 23 Dec 2008

Motorola, Inc.

IPTV Test and Measurement Best Practices
sponsored by Alcatel-Lucent
WHITE PAPER: This whitepaper focuses on providing a pragmatic set of test and measurement guidelines that can be implemented on a live operational IPTV service. The recommendations given in this paper are generally applicable to any IPTV system.
Posted: 20 Aug 2008 | Published: 01 Jan 2007

Alcatel-Lucent

Billing System Perspective: Convergence in Telecommunication
sponsored by Comarch Telecommunications
WHITE PAPER: To achieve all modern telecommunication requirements it was necessary to change service delivery architectures as well as billing systems architectures. This paper examines the a billing solution that delivers on all of today's service providers needs.
Posted: 20 Jun 2008 | Published: 01 Jan 2007

Comarch Telecommunications

Telecommunications: Future Services and Business Models
sponsored by Comarch Telecommunications
WHITE PAPER: With the onset of converged communications that integrate voice, video, text and data, Telecommunication Service providers needs have exploded. This paper examines the many challenges providers and operators face, as well as potential solutions.
Posted: 20 Jun 2008 | Published: 01 Jun 2005

Comarch Telecommunications

Comparing MPLS and Internet Links for Delivering VoIP Services
sponsored by Avaya Inc.
WHITE PAPER: This paper documents a real-world field study that concludes the availability and call quality of VoIP over Multi-protocol Label Switching (MPLS) is comparable to that of VoIP over the public Internet.
Posted: 09 Jun 2008 | Published: 01 Sep 2005

Avaya Inc.

Genesis Wireless Brings Service to Resort, Builds Revenue
sponsored by Motorola, Inc.
WHITE PAPER: Check out this brief case study to learn how Genesis Wireless implemented Motorola wireless broadband solutions to produce significant cost savings and provide enhanced reliability.
Posted: 29 May 2008 | Published: 01 May 2008

Motorola, Inc.

Point-to-Point Broadband Wireless for Service Providers: Backhaul traffic, remove network bottlenecks and extend service to previously inaccessible locations
sponsored by Motorola, Inc.
WHITE PAPER: This white paper presents multiple approaches and technologies for point-to-point wireless and the advantages and challenges of each. Learn which approach is best for your organization.
Posted: 29 May 2008 | Published: 01 May 2008

Motorola, Inc.

Smart Metering - Enabling Greater Energy Efficiency
sponsored by Alcatel-Lucent
WHITE PAPER: Smart metering is increasingly being seen as a tool through which regulators and network operators will be able to shape electricity demand patterns in the future.
Posted: 06 May 2008 | Published: 01 Jan 2007

Alcatel-Lucent

RTSP: One of the Foundations of Convergence
sponsored by F5 Networks
WHITE PAPER: Real-Time Streaming Protocol (RTSP) is a foundation for the current convergence of communications. When implementing RTSP, the multiple port and protocol nature of RTSP makes streaming audio/video difficult to manage. This white paper explains it.
Posted: 28 Apr 2008 | Published: 01 Sep 2007

F5 Networks

A Buyer's Guide to IP PBX Options
sponsored by Alcatel-Lucent
WHITE PAPER: This white paper discusses the three alternative approaches to choosing the right IP-based telephony system and the key considerations you should consider to fulfill your critical business requirements.
Posted: 10 Sep 2007 | Published: 01 Feb 2007

Alcatel-Lucent
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TELECOMMUNICATIONS NETWORKS DEFINITION (continued): …  network equipment and services. In a VoIP network, call control is one of three major categories of communications traffic, the other two being call signaling and media communications. Call control uses Q.931, a connection protocol for digital networks, especially VoIP systems. Messages are transmitted as octets as specified in ITU H.245, which resolves the type of call media to be used (for example, conventional call, videoconferencing, or VoIP), and then manages the connection after it has been established. Call control functions include, but are not limited to, the determination of master/slave … 
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