{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/GetVirtualExtensionSettingsObject", "title": "GetVirtualExtensionSettingsObject", "type": "object", "required": [ "mode" ], "properties": { "mode": { "type": "string", "enum": [ "STANDARD" ], "description": "Mode of the virtual extension. It can be either `STANDARD` or `ENHANCED`.\n\n + `STANDARD` - Standard virtual extension mode in which virtual extensions must be associated with a valid E.164 number, but this requires no enhanced signaling support from the PSTN provider.\n + `ENHANCED` - Enhanced signaling mode: only a few PSTN providers support this special network signaling extension." } } }