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Electronic Bulletin Number 65 - November, 2009

 
 
Summary
Emergency Telecommunications Services
Characteristics of VoIP
Security in IMS
 
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  Important issues
Emergency Telecommunications Services
By Wayne Zeuch, Rapporteur Standards Coordination
The purpose of emergency telecommunications services is to facilitate communications during emergency situations as well as to provide emergency response and recovery operations for restoring the community infrastructure and for returning the population to normal living conditions after serious disasters and emergency events. As emergency telecommunications covers all communications services, including voice and non-voice, data, location, etc., a number of challenges and considerations need to be addressed in defining and establishing the functional capabilities for emergency telecommunications services in NGN. Many different standards development activities will be involved in the establishment of a global emergency telecommunications capability.

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Characteristics of VoIP
By Oscar Avellaneda, Chair of the Working Group on Technology
VoIP is not a replacement for the traditional telephony provided by the Plain Old Telephone Service (POTS) network. In fact, by the moment IP telephony relies on the local exchange network in order to operate. The architectural differences between the VoIP system and the traditional telephony system are substantial. The Open Data Networks (ODN) model has been the basis of the Internet, and is characterized by the fact that it separates components into four layers that allow for component substitution at each layer providing flexibility to easily introduce new standards that can compete with existing standards. Its architecture shares many similarities with the model of general-purpose computing such as, distributed intelligence, modularized components, interoperability and general purpose functionality.

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  Training
Security in IMS
By Pablo Cristiani, National Telecommunications Administration of Uruguay

The mechanisms of security provided by IMS has as a goal to secure the security aspects (integrity, confidentiality and protection from attacks of  denial of service) in different relationships that are established within  IMS.

The mechanisms of security in IMS are part of the mechanisms of security defined by  TISPAN for NGN networks.

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  What's happening in the region?
Colombia: 1. Number of internet subscribers in Colombia climbs to three million
Colombia recorded an 8% growth in the number of fixed and mobile Internet subscriptions in the third quarter, reaching 2,966,776 Internet subscribers, with revenues of $133.952 million. During the third quarter 219,960 new connections were also recorded, according to the Quarterly Report on Connectivity of the Communication Regulations Commission (CRC). (Ministry of Information and Communication Technologies , 24 November 2009)

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Chile: Government to demand transparent discounts for pre-paid and post-paid users without distinction
Within the framework of the Consumer Act, the Secretariat for Telecommunications and Sernac will require mobile operators to offer a discount for all customers affected by the service outage that occurred between Tuesday and Wednesday this week, without any distinction. "There cannot be a system of first-class and second-class customers. All users have equal rights regardless of how they pay," Secretary of Telecommunications, Pablo Bello, argued. (Subtel, 5 November 2009)

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Brazil: Agency proposes changes in the use of the 148 MHz to 174 MHz band
The National Telecommunications Agency opened Public Consultation 40, which proposes changes to the Regulation on Channeling and Terms of Use of the Radio Spectrum on the 148 MHz to 174 MHz Band. (Anatel, 4 November 2009)

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