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The rating agency said there were no ratings assigned to specific debt instruments.
Telefónica is the incumbent fixed-line telecom operator in Chile providing local service and broadband, as well as domestic and international long distance services, data transmission, video and value-added services.
The operator is fully controlled by Spanish telecoms giant Telefónica (NYSE: TEF).
Mobile HD voice services are now commercially launched on 15 networks in 14 countries in Europe, Asia, the Middle East and Africa, and the Americas, according to Global mobile Suppliers Association (GSA).
HD Voice service is commercially launched on mobile networks in Armenia, Belgium, Canada, Croatia, Egypt, France, Hong Kong, India, Italy, Luxembourg, Moldova, Russia, Spain, and the UK.
GSA also said further trials and network deployments of the HD Voice feature are underway in several more countries including Australia, Portugal, Switzerland and the Dominican Republic.
Mexican telecoms services regulator Cofetel has proposed fines for three of the country's mobile phone operators for failing to advise customers when they will start being charged for calls that go to voicemail, the watchdog said in a statement.
In a joint press release along with the consumer protection agency Profeco, Cofetel said the proposed sanctions are against Telcel, Movistar, and Unefon, which is part of Grupo Iusacell. The regulator said tests showed that the three operators failed to implement a mechanism that allows users whose calls are not answered to hang up without charge before being forwarded to voicemail.
Cofetel also said the proposals were sent to the country's communications and transport ministry (SCT) for approval.