### pbx-configuration
[[pbx-configuration-check-initial_system_setup_and_network_settings]]
[[pbx-configuration-check-dialplan_route_and_outbound_rule_creation]]
[[pbx-configuration-check-backup_restore_full_system_configuration]]
[[pbx-configuration-check-bulk_csv_import_export_of_settings]]
### pbx-extensions
[[pbx-extensions-check-create_modify_delete_sip_extensions]]
[[pbx-extensions-check-extension_registration_with_deskphones_softphones]]
[[pbx-extensions-check-device_provisioning]]
### pbx-calls
[[pbx-calls-check-internal_extension_to_extension_audio_call]]
[[pbx-calls-check-inbound_call_from_sip_trunk_pstn]]
[[pbx-calls-check-outbound_call_to_sip_trunk_pstn_with_caller_id]]
[[pbx-calls-check-caller_id_presentation_restriction_and_pai]]
[[pbx-calls-check-call_hold_resume_and_music_on_hold]]
[[pbx-calls-check-call_waiting_notification_and_switching]]
[[pbx-calls-check-three_way_conference_and_multi_party_bridge]]
### pbx-codecs
[[pbx-codecs-check-codec_negotiation_g711_g729_opus_g722]]
[[pbx-codecs-check-dtmf_transmission_rfc2833_inband_sip_info]]
[[pbx-codecs-check-t38_fax_passthrough_and_error_correction]]
### pbx-calls-security
[[pbx-calls-security-check-srtp_sdes_or_dtls_media_encryption]]
[[pbx-calls-security-check-acl_ip_whitelisting_and_rate_limiting]]
[[pbx-calls-security-check-toll_fraud_prevention_rules_and_alerting]]
### pbx-performance
[[pbx-performance-check-cpu_memory_disk_io_utilization_under_sustained_load]]
[[pbx-performance-check-long_duration_stability_72h_test]]
[[pbx-performance-check-memory_leak_and_resource_cleanup_detection]]
### pbx-availability
[[pbx-availability-check-active_passive_or_active_active_failover]]
[[pbx-availability-check-database_replication_and_sync_integrity]]
[[pbx-availability-check-automatic_failover_and_call_preservation]]
[[pbx-availability-check-geographic_redundancy_and_geo_distribution]]
### pbx-management
[[pbx-management-check-cli_management]]
[[pbx-management-check-gui_management]]
### pbx-logs
[[pbx-logs-check-cdr_generation_accuracy_completeness_and_export]]
[[pbx-logs-check-real_time_active_call_and_registration_monitoring]]
[[pbx-logs-check-detailed_logging_levels_rotation_and_search]]
[[pbx-logs-check-threshold_alarms_cpu_channels_disk_memory]]
[[pbx-logs-check-call_quality_metrics_mos_jitter_loss_per_call]]
### pbx-regression
[[pbx-regression-check-core_call_features_after_any_code_change]]
[[pbx-regression-check-previously_fixed_bugs_and_edge_cases_reverification]]
[[pbx-regression-check-performance_baselines_comparison_against_previous_version]]
[[pbx-regression-check-security_hardening_and_vulnerability_scan_baseline]]