A new activity group has recently been formed by the International Multimedia Telecommunications Consortium (IMTC) dealing with IP Multimedia Subsystem (
News -
Alert) (IMS

) technology interoperability issues. Tsahi Levent-Levi, a product manager in RADVISION’s technology business unit, will chair the activity group.
The activity group also boasts members representing leading telecom companies such as Motorola, NMS Communications, Nokia (
News -
Alert) Corporation, Samsung Electronics, Sharp Corporation and Sony Ericsson Mobile Communications.
For more than a decade IMTC has been involved in interoperability testing. The organization has been a driving force in the adoption and deployment of mature H.323

and 3G-324M devices and networks.
Based on open international standards, and other standards organizations, the IMTC IMS activity group promotes and facilitates the development and implementation of interoperable multimedia conferencing solutions.
RADVISION said in an announcement that the proliferation of open standard solutions will advance the multimedia conferencing industry and further its widespread deployment. The IMTC IMS activity group therefore focuses on interoperability of end-to-end functionality and terminal-network signaling and media.
The IMS activity group also finalizes IMS client application specifications, creates test specification and implementation guides, and organizes test events. The feedback is reported by the activity group to 3GPP, 3GPP2, GSMA and other standard developing organizations to apply the knowledge gained through testing to improve relevant standards.
Additionally, the IMTC IMS activity group allows competing companies to conduct regular dialogue regarding interoperability of their products and to develop a common stance. This helps them to help shape and evolve industry-wide standards.
“RADVISION has always placed interoperability as a top priority, in the belief that this will serve to advance the industry and bring about innovation,” said Adi Paz, senior director, TBU Marketing RADIVISION, in a statement.
Paz continued: “The advent of IMS underscores the importance of interoperability across all spheres. Our chairing this Activity Group enhances the quality of our IMS Developer Suite significantly.”
RADVISION is a provider of market-proven products and technologies for unified visual communications over IP and 3G

networks.
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Anuradha Shukla is a contributing editor for TMCnet, covering call centers, CRM and information technology. To see more of her articles, please visit her columnist page.
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Third Generation (3G) | X |
| A variety of cellular phone specifications collectively known as Third Generation mobile technology. 3G networks do not operate in the same frequency spectrum as 2G. Examples of 3G wireless specs incl...more |
Internet Protocol (IP) | X |
| IP stands for Internet Protocol, a data-networking protocol developed throughout the 1980s. It is the established standard protocol for transmitting and receiving data
in packets over the Internet. I...more |
IP Multimedia Subsystem (IMS) | X |
| This shows the structure of the IMS architecture where potential Applications Servers optimize content as well bandwidth. In Scenario Y, companies may provide Feature Servers Content Manager or Multi...more |
H.323 (H.323) | X |
| This is an introduction to H.323 which is an International Telecommunications
Union standard - www.itu.org. Since H.323 represents many different protocols such as voice, control, video, whiteboardi...more |