本文详细介绍了FreeSWITCH中的各种通道变量及其用途，包括如何在XML拨号计划中使用通道变量、处理带有逗号的变量、桥接操作中的变量导出等。还涉及了与呼叫详细记录(CDR)、挂断原因、双音多频(DTMF)等相关变量的使用。
1 Introduction
Application Variable Names (variable_xxxx) 3 ${variable}
vs. $${variable} 4 CDR related 5 Hangup Causes
variables
variables
related variables
- 1.1 Channel
Variables in the XML Dialplan - 1.2 Channel
Variables in Dial strings - 1.3 Exporting
Channel Variables in Bridge Operations - 1.4 Using
Channel Variables in Dialplan Condition Statements - 1.5 Custom Channel
Variables - 1.6 Channel Variable
Manipulation
Application Variable Names (variable_xxxx) 3 ${variable}
vs. $${variable} 4 CDR related 5 Hangup Causes
- 5.1 bridge_hangup_cause
- 5.2 disable_q850_reason
- 5.3 hangup_cause
- 5.4 hangup_cause_q850
- 5.5 sip_hangup_disposition
- 5.6 proto_specific_hangup_cause
- 11.1 api_after_bridge
- 11.2 auto_hunt
- 11.3 bridge_early_media
- 11.4 bridge_terminate_key
- 11.5 continue_on_fail
- 11.6 transfer_on_fail
- 11.7 enable_file_write_buffering
- 11.8 failure_causes
- 11.9 force_transfer_context
- 11.10 force_transfer_dialplan
- 11.11 hangup_after_bridge
- 11.12 hold_hangup_xfer_exten
- 11.13 last_bridge_to
- 11.14 loopback_bowout_on_execute
- 11.15 outbound_redirect_fatal
- 11.16 originate_timeout
- 11.17 park_after_bridge
- 11.18 signal_bond
- 11.19 sip_jitter_buffer_during_bridge
- 11.20 uuid_bridge_continue_on_cancel
- 12.1 conference_auto_outcall_announce
- 12.2 conference_auto_outcall_caller_id_name
- 12.3 conference_auto_outcall_caller_id_number
- 12.4 conference_auto_outcall_flags
- 12.5 conference_auto_outcall_prefix
- 12.6 conference_auto_outcall_timeout
- 12.7 conference_auto_outcall_maxwait
- 12.8 conference_controls
- 12.9 conference_enter_sound
- 12.10 conference_last_matching_digits
- 12.11 last_transferred_conference
- 12.12 conference_member_id
- 12.13 conference_uuid
- 12.14 hangup_after_conference
- 13.1 api_hangup_hook
- 13.2 bridge_pre_execute_aleg_app
- 13.3 bridge_pre_execute_aleg_data
- 13.4 bridge_pre_execute_bleg_app
- 13.5 bridge_pre_execute_bleg_data
- 13.6 exec_after_bridge_app
- 13.7 exec_after_bridge_arg
- 13.8 The execute_on family
- 13.9 failed_xml_cdr_prefix
- 13.10 fail_on_single_reject
- 13.11 intercept_unbridged_only
- 13.12 intercept_unanswered_only
- 13.13 session_in_hangup_hook
- 14.1 caller_id_name
- 14.2 caller_id_number
- 14.3 effective_caller_id_name
- 14.4 effective_caller_id_number
- 14.5 sip_cid_type
- 14.6 effective_sip_cid_in_1xx
- 16.1 Audio File Metadata
- 16.2 record_fill_cng
- 16.3 RECORD_HANGUP_ON_ERROR
- 16.4 RECORD_DISCARDED
- 16.5 record_post_process_exec_api
- 16.6 record_post_process_exec_app
- 16.7 record_restart_limit_on_dtmf
- 16.8 record_sample_rate
- 16.9 record_waste_resources
- 17.1 absolute_codec_string
- 17.2 codec_string
- 17.3 inherit_codec
- 17.4 read_codec
- 17.5 write_codec
- 17.6 passthru_ptime_mismatch
- 17.7 sip_renegotiate_codec_on_reinvite
- 17.8 conference_enforce_security
- 17.9 suppress-cng
- 19.1 disable_hold
- 19.2 sip_acl_authed_by
- 19.3 sip_acl_token
- 19.4 sip_copy_multipart
- 19.5 sip_invite_params
- 19.6 sip_invite_domain
- 19.7 sip_invite_from_params
- 19.8 sip_invite_to_params
- 19.9 sip_invite_contact_params
- 19.10 sip_network_destination
- 19.11 sip_auth_username
- 19.12 sip_auth_password
- 19.13 sip_auto_simplify
- 19.14 sip_callee_id_name
- 19.15 sip_callee_id_number
- 19.16 sip_force_audio_fmtp
- 19.17 sip_invite_req_uri
- 19.18 sip_invite_from_uri
- 19.19 sip_invite_to_uri
- 19.20 sip_ignore_reinvites
- 19.21 sip_has_crypto
- 19.22 sip_secure_media
- 19.23 timer_name
- 19.24 ignore_display_updates
- 19.25 deny_refer_requests
- 20.1 sdp_m_per_ptime
- 20.2 switch_r_sdp
- 20.3 switch_l_sdp
- 20.4 switch_m_sdp
- 20.5 sip_append_audio_sdp
- 20.6 sip_ignore_183nosdp
- 20.7 verbose_sdp
- 20.8 sip_local_sdp_str
- 20.9 sip_recovery_break_rfc
- 20.10 sip_enable_soa
- 21.1 fifo_bridged
- 21.2 fifo_caller_consumer_import
- 21.3 fifo_consumer_caller_import
- 21.4 fifo_manual_bridged
- 21.5 fifo_position
- 21.6 fifo_role
- 21.7 transfer_after_bridge
variables
- 22.1 playback_terminators
- 22.2 sound_prefix
- 22.3 playback_terminator_used
- 22.4 playback_ms
- 22.5 playback_samples
- 22.6 playback_sleep_val
- 22.7 playback_delimiter
- 22.8 sleep_eat_digits
- 22.9 playback_timeout_sec
variables
- 23.1 execute_on_originate
- 23.2 leg_delay_start
- 23.3 originate_disposition
- 23.4 originate_retries
- 23.5 originate_retry_sleep_ms
- 23.6 originate_timeout
- 23.7 originating_leg_uuid
- 23.8 origination_channel_name
- 23.9 origination_caller_id_name
- 23.10 origination_caller_id_number
- 23.11 origination_cancel_key
- 23.12 origination_privacy
- 23.13 origination_uuid
- 23.14 originator
- 23.15 originator_codec
related variables
- 24.1 bypass_media
- 24.2 bypass_media_after_bridge
- 24.3 proxy_media
- 24.4 rtp_autoflush
- 24.5 rtp_autoflush_during_bridge
- 24.6 disable_rtp_auto_adjust
- 24.7 progress_timeout
- 24.8 bridge_answer_timeout
- 24.9 ignore_early_media
- 24.10 ringback
- 24.11 instant_ringback
- 24.12 transfer_ringback
- <a href="http://wiki.freeswitch.org/wiki/Channel_Variables#dis
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