Article: TIA Updates Suite of Standards on VoIP Supplementary Services Descriptions

The Telecommunications Industry Association issued the following news release:

The Telecommunications Industry Association (TIA), the leader in advocacy, standards development, business development and intelligence for the information and communications technology (ICT) industry, recently updated several standards in the TIA-1126 Voice over Internet Protocol (VoIP) Supplementary Services Descriptions series.

The updated standards are:

TIA-1126.553 Customized Ring Back Tone

TIA-1126.554 Directory Assistance

TIA-1126.555 Inbound Call Restriction/Anonymous Call Rejection

TIA-1126.556 Outbound Call Restriction

TIA-1126.558 Terminating Identification Presentation

TIA-1126.559 Terminating ...

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