VOiCOM VoIP Standards_Megaco / H.248

Note:

The links and documents found on this page refer to standards, proposals and draft standards. Whilst we endeavor to post the most recent versions, please refer to the IETF RFC's and ITU SG16 for latest status

ITU Standards / Proposals (Click)

H.248 'Core' - H.248v2

H.248.2: Fax, text conversation and call discrimination
H.248.3: User interface elements and actions packages
H.248.4: Stream Control Transmission Protocol (SCTP)
H.248.5: Transport over ATM
H.248.6: Dynamic Tone Definition package
H.248.7: Generic announcement package
H.248.8: Error code / service change reason description
H.248.9: Advanced media server packages
H.248.10: Media gateway resource congestion
H.248.11: Media gateway overload control
H.248.12: H.248.1, H.323 and H.324 interworking
H.248.13: Quality Alert Ceasing package
H.248.14: Inactivity timer package
H.248.15: SDP H.248 package attribute
H.248.16: Enhanced digit collection packages and procedures
H.248.17: Line test package
H.248.18: Package for support of multiple profiles
H.248.20: H.221 and H.223 multiplexing

Related Standards & Drafts (Click)

Media Gateway Control Protocol (MGCP) - RFC 3435
Telephony Routing over IP (TRIP) - RFC 3219
PSTN / Internet Interworking (PINT) - RFC 2848

A collaborative standard by the IETF and ITU, MEGACO/H.248 is used similarly to MGCP in providing control over Media Gateways (MG's) by Media Gateway Controllers (MGC's). MEGACO/H.248 leverages and extends the IETF's Media Gateway Control Protocol (MGCP) and is It is the result of continued cooperation between the IETF Megaco Working Group and ITU Study Group 16.