Functional specifications for portability of geographic numbers upon change of the provider of the fixed telephone service and/or upon change of the address within a certain geographic National Destination Code

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 geographic numbers upon change of the provider of the fixed telephone service and/or upon change of the address within a certain geographic National Destination Code.