Motivation

With the fast growth of IP networks, packet based gateways are being rapidly deployed; these IP based devices include but are not limited to:

• IP to IP Gateways,
• IP to PSTN Gateways,
• Home Gateways,
• Mobile Gateways.

Due to the unique characteristics of the IP networks including packet loss, delay variation, etc. new performance specifications, as well as appropriate measuring methods, will have to be developed.

From the perspective of the end user it is essential that the impact of such gateways not have a significant effect on performance; different media and/or their combination will require different performance considerations.

The following major Recommendation, in force at the time of approval of this Question, falls under its responsibility:

Recommendation P.1010.

Question

Study items to be considered include, but are not limited to:

• Which transmission objectives need to be defined for IP gateways?
• What guidance can be provided for different media and/or their combination in IP gateways?
• How can an IP "half channel" adaptor, which may also be referred to as "reference codec" be defined?
• How do IP measurement methodologies apply to IP gateways?
• Which reference connections can be defined the different kinds of gateways in combination with different media?
• Considerations on how to help measure and mitigate climate change.

Tasks

Tasks include, but are not limited to:

• Development of one or more new Recommendations on Requirements for different types of gateways in combination with different media,
• Production of a new Recommendation P.VOIP-MM on Measurement Methodologies for Gateways,
• Contribution to possible extensions or enhancements of Recommendations P.501 and P.502.

An up-to-date status of work under this Question is contained in the SG 12 Work Programme http://www.itu.int/ITU-T/workprog/wp_search.aspx?isn_sp=545&isn_sg=551

Relationships

Recommendations: P.310, P.311, P.340, P.342, P.501, P.502, G.107, G.108, G.109, G.177, G.799.1, M.2301, Y.1540, Y.1541

Questions: 3/12, 6/12, 8/12, 11/12, 17/12

Study Groups: ITU-T Study Groups 13 and 15

Standardization bodies: ETSI STQ, ETSI TISPAN, TIA TR-41, T1A1