Numbering

RTR is responsible for the efficient administration of communication parameters, mainly numbers. Following the link you will find an overview of numbering resources available in Austria:

• Overview numbering ranges
  

For operators and providers of communication networks and services a separate page for rules of usage is available:

• operator service numbering

Consumers can find relevant information under the following link (German version only):

• consumer service numbering

For the application of numbers a Web-Interface can be used as well as the application form available on the pages for each numbering range.

• Overview numbering ranges
• application via Web-Interface

Used numbers service provider for value-added-services are to be announced to RTR-GmbH..

To find out which numbers are already allocated and which are still available the numbering query can be used.

• Information about the announcement of usage
• numbering query and register of value-added-service-providers
  

Porting of mobile numbers

For mobile service operators special information for mobile number portability can be found following the link:

• mobile number portability

RTR-GmbH is also responsible for the administration of special communications parameters. Detailed information can be found following the link:

• Special communications parameters

For providers of VoIP-services as well as for the usage of geographic numbers in mobile networks and for private branch exchange systems RTR provides the following information:

• Position papers numbering