1.
Clear description of the referenced document:
Title:
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; SIP Transfer of IP Multimedia Service Tariff Information; Protocol specification (3GPP TS 29.658 version 10.1.0 Release 10)
2.
Status of approval:
ETSI TS 129.658 was published in 2012-07. It is an ETSI standard document.
3.
Justification for the specific reference:
It is used as a reference in the Recommendation ITU-T Q.30xx_VoLTE_Interconnection_FW
4.
Current information, if any, about IPR issues:
Information about IPR could be available for ETSI members and non-members and found in SR 000 314: „Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available free of charge from the ETSI Secretariat and on the ETSI web site http://www.etsi.org/ipr.
5.
Other useful information describing the "Quality" of the document:
ETSI TS 129.658 was published in 2012-07. It is an ETSI standard document.
6.
The degree of stability or maturity of the document:
7.
Relationship with other existing or emerging documents:
8.
Any explicit references within that referenced document should also be listed:
9.
Qualification of
ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10.
Other (for any supplementary information):
None