Table of Contents
1Scope
2Introduction
3References
4Abbreviations
5Termsanddefinitions
6NetworkconfigurationsforusingIPtelephony
6.1ConfigurationA:Phone-to-phonecommunication
(withIPtransitnetwork)
6.2ConfigurationB-1:IPphone-to-phonecommunication
6.3ConfigurationB-2:Phone-to-IPphonecommunication
6.4ConfigurationC:IPphone-to-IPphonecommunication
7NetworkcapabilitiestosupportIPtelephony
7.1Serviceaspects
7.2Chargingconsiderations
7.3QualityofServiceconsiderations
7.4Useridentificationandaddressingconsiderations
7.5Securityconsiderations
8NetworkcapabilitiestosupportIPtelephonyinterworking
betweenthePSTNandtheIPnetwork
9NetworkAddressTranslation(NAT)andfirewalls
10ControlprotocolsforsupportofIPtelephony
AppendixI-Supplementaryservicesandthecorresponding
ITU-TRecommendationsthatdefinethem
AppendixII-StandarddevelopmentrelatedtoIPtelephony
AppendixIII-J-seriesRecommendationsinsupportofIP
telephony Abstract
Specifies the signalling requirements to support IP telephony. IP telephony is defined as a service enabling the exchange of voice information primarily in the form of packets using Internet protocols (IP), while Internet telephony is defined as a particular application of the Internet, such that Internet telephony falls outside the scope of this Supplement.
