| ignore_rtt_mode_setting_bool | absent | true |
| ims.request_uri_type_int | absent | 1 |
| ims.sip_over_ipsec_enabled_bool | absent | false |
| ims.sip_preferred_transport_int | absent | 0 |
| rtt_downgrade_supported_bool | absent | true |
| rtt_supported_bool | absent | true |
| rtt_supported_while_roaming_bool | absent | true |
