The H.248 gateways include the G430 and G450 models. Both gateways have Media Module slots for analog, digital, loop start trunks, or T1/E1 capability. G430 and G450 also provide VoIP resources and announcement capabilities.
The following documents provide additional information about administration of Avaya gateways:
Administering Avaya G450 Branch Gateway
Administering Avaya G430 Branch Gateway
Avaya G450 Branch Gateway Overview and Specification
Avaya G430 Branch Gateway Overview and Specification
Avaya Branch Gateway G450 CLI Reference
Avaya Branch Gateway G430 CLI Reference