Asterisk - The Open Source Telephony Project  21.4.1
Namespace List
Here is a list of all documented namespaces with brief descriptions:
 N_add_default_from_user
 Na06d8f8462d9_add_t38_bind_udptl_to_media_address
 Na094a18e75b_pjsip_add_norefersub
 Na0ff4d9f_add_reason_paused_to_queue_members
 Na1698e8bb9c5_add_incoming_mwi_mailbox
 Na2247c957d2_add_aoc_option
 Na235b3fd7_add_keep_alive_interval
 Na3bdf53fc_expand_accountcode_to_80
 Na3bf4143e_add_user_eq_phone_option_to_pjsip
 Na5332640e2_update_pjsip_tls_method_list
 Na541e0b5e89_add_pjsip_max_initial_qualify_time
 Na6c67fa9b7a_add_fax_detect_timeout_option
 Na6ead_fix_pjsip_verifiy_typo
 Na6ef36f1309_ps_globals_add_ignore_uri_user_options
 Na710ae_add_rtp_keepalive
 Naa67461fb_add_pjsip_endpoint_ip_access_control_
 Naa67461fb_ps_contacts_add_authenticate_qualify
 Nab27a7826d_add_srv_lookups_to_identify
 Nabbd708c_add_auto_info_to_endpoint_dtmf_mode
 Nabce6d1e3c_add_pjsip_identify_by_ip
 Nac563b350a8_add_pjsip_trust_send__connected_line
 Nad97bdf_add_pjsip_identify_by_header
 Nae0609b6646_increse_reg_server_size
 Nastconfigparser
 Nb00bc19b7b_add_suppress_q850_reason_headers_to_
 Nb01a191a46_pjsip_add_contact_reg_server
 Nb1098bdd_add_media_encryption_optimistic_to_pjsip
 Nb1430ad6f1_add_moh_passthrough_option_to_pjsip
 Nb4a91372_add_pjsip_asymmetric_rtp_codec
 Nb511e4b_pjsip_add_disable_rport
 Nb7c507d7d12_add_queue_log_option_log_restricted_
 Nb80485ff4dd0_add_pjsip_endpoint_acn_options
 Nb81223_add_regcontext_to_pj
 Nb83645976fdd_add_dtls_fingerprint_to_ps_endpoints
 Nb8e71e541f_add_g726_non_standard
 Nb9c2566_pjsip_stream_maximum
 Nb9fced6_add_stir_shaken
 Nbad3c16_ignore_183_without_sdp
 Nbb1a85135ad_pjsip_add_use_callerid_contact
 Nbb1efa278d_add_ps_endpoints_refer_blind_progress
 Nbb68d_geoloc_endpoint_params
 Nbcc0b5bc2c9_add_allow_reload_to_ps_transports
 Nbd335bae5d33_create_stir_shaken_tn_table
 Nbd9c5159c7ea_revert_d5122576cca8_add_transport_
 Nbe05c3a8225_add_early_media_options
 Nbee61aa9425_allow_180_ringing_with_sdp
 Nc0247fd7e_add_security_negotiation_and_security_
 Nc0d3d1857_add_dtls_auto_gen_cert
 Nc12d8e9014_add_user_agent_header_to_ps_
 Nc20d6e3992f4_add_allow_unauthenticated_options
 Nc475a93f48a_correct_nullability_of_pjsip_id_columns
 Nc55c341360f_remove_macrocontext_field
 Nc573e7135bd_fix_tos_field_types
 Nc688d9a003c_pjsip_voicemail_extension
 Nc6d929b23a8_create_pjsip_subscription_persistence_
 Nc7a44a5a0851_pjsip_add_global_mwi_options
 Nccced114ce_add_webrtc
 Nccf795ee535f_all_codecs_on_empty_reinvite
 Ncd4f4891ec_add_auto_dtmf_mode
 Ncde9847798_expand_accountcode_to_80
 Nce1e718f05_add_fatal_response_interval
 Ncf150a175fd3_add_match_request_uri_attribute_to_
 Nd078ec071b7_increaes_contact_column_size
 Nd0e332c32af_create_rls_table
 Nd39508cb8d8_create_queue_rules
 Nd3e4284f8707_add_prune_on_boot_to_ps_subscription_
 Nd3ed26d9978_increase_uri_column_size
 Nd478ab86e29_pjsip_add_disable_multi_domain
 Nd50859ed02e_create_accountcode
 Nd5122576cca8_add_transport_attribute_to_identify
 Nd550a44_add_tables_for_pjsip
 Nd7983954dd96_add_ps_endpoints_notify_early_inuse_
 Nd7d691209_add_pjsip_qualify_timeout
 Nd7f3bf0fa5_add_bind_rtp_to_media_address_to_pjsip
 Nd8c104e6184_res_pjsip_add_contact_via_addr_and_
 Nda192dbbc65_add_publish_tables
 Ndac2b4c328b8_incease_pjsip_id_length
 Ndb7b91a97a_add_rtcp_mux
 Ndbc44d5a908_add_missing_columns_to_sys_and_reg
 Ndc751dfe8e_more_permission_boolean_columns
 Nde83fac997e2_add_bundle_to_ps_endpoints
 Ndeac0ae4717_pjsip_add_subscribe_context
 Ne0805d367f_max_random_initial_delay
 Ne2493ef32e6_add_contact_user_to_endpoint
 Ne2f04d309071_add_wrapuptime_to_queue_members
 Ne3f47c6c44_add_pjsip_endpoint_identifier_order
 Ne440314c2a_allow_wildcard_certs
 Ne526ad3040_add_pjsip_debug_option
 Ne658c26033ca_create_history_info_flag
 Ne70e8c337_add_match_header_attribute_to_identify
 Ne92be_add_contact_expiration_check_interval_
 Ne96a0b8071c_increase_pjsip_column_size
 Neb22eb195_add_unidentified_request_options_to_
 Nee4e5f85_add_missing_pjsip_options
 Nee839f58_create_queue_log_table
 Nef7efc2d3964_ps_contacts_add_endpoint_and_modify_
 Nf10cadc157_add_pjsip_timeout_options
 Nf261363a857f_add_overlap_context
 Nf34ad36e2_fix_pjsip_qualify_ti
 Nf3692b1654b_add_stir_shaken_profile_and_codec_
 Nf3c0b8695b66_taskprocessor_overload_trigger
 Nf3d1c5d38b56_add_prune_on_boot
 Nf3e21abe318_add_preferred_codec_only_option_to_pjsip
 Nf47f880be_add_pjsip_google_voice_sip_options
 Nf56d79a9f337_pjsip_create_remove_unavailable
 Nf5b0e7427449_add_loop_last_to_res_musiconhold
 Nf638dbe2eb23_symmetric_transport
 Nf68bede2c_add_peer_supported_to_100rel
 Nf72185e437f_res_pjsip_pubsub_add_resource_list_
 Nf85dd44c775_fix_suppress_q850_reason_headers
 Nf8cb66540e_add_further_dtls_options
 Nf8db6a61_pjsip_add_send_contact_status_on_update_
 Nf8f828da_update_identify_by
 Nfbb7766f17bc_add_playlist_to_moh
 Nfc7930b41b3_add_pjsip_endpoint_options_for_12_1
 Nfcc5766f_add_ringinuse_to_queue_members
 Nfce4c573e15_add_pjsip_allow_overlap
 Nfce8496f03e_add_tcp_keepalive_settings_to_ps_
 Nfe6592859b85_fix_mwi_subscribe_replaces_