Functional specifications for portability of national significant numbers upon change of the provider of the public mobile telephone service
Launch date:24 November 2015
Modified at:16 October 2016
Language(s): Bulgarian
The Functional specifications lay down the rules, technical conditions, obligations of the recipient and the donor providers, principles of pricing and payment and the terms for agreeing the porting procedure between the operators within the domain for portability of national significant numbers upon change of the provider of the public mobile telephone service.
Portability
Mobile services
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