FreeSWITCH 總體架構

【1】總體結構

【2】代碼結構目錄

【3】模塊簡介

Applications應用

• mod_abstraction – 提供了一個抽象的API調用(未來有更多功能)Provides an abstraction to API call (and more in the future).
• mod_avmd – 使用一個通用的方法檢測語音信箱響鈴Detects voicemail beeps using a generalized approach.
• mod_blacklist – 黑名單模塊 Blacklist module.
• mod_callcenter – 排隊叫號的應用程序，可用於呼叫中心的需求 Call queuing application that can be used for call center needs.
• mod_cidlookup – 使用電話號碼從數據,url等中查詢來電顯示名稱 Provides a means (database, url) to lookup the callerid name from a number.
• mod_cluechoo – 一個簡單的框架，演示模塊 A simple framework demo module.
• mod_commands – API接口命令集 A mass plethora of API interface commands.
• mod_conference – 會議模塊 Conference room module.
• mod_curl – 允許腳本發出HTTP請求，接收響應為純文本或JSON  Allows scripts to make HTTP requests as receive responses as plain text or JSON.
• mod_db – 數據庫鍵/值存儲功能，組撥號，以及限制后端。 Database key/value store functionality, group dialing, and limit backend.
• mod_directory – 用戶名稱目錄 Dial by Name directory.
• mod_distributor – 簡單的輪循式分發 Simple round-robin style distributions.
• mod_dptools – Dialplan Tools: provides a number of apps and utilities for the dialplan.
• mod_easyroute – A simple DID routing engine that uses a database lookup to determine how to route an incoming call.
• mod_enum – Route PSTN numbers over internet according to ENUM servers, such as e164.org
• mod_esf – Holds the multi cast paging application for SIP.
• mod_esl – 允許生成遠程ESL命令 Allows to generate remote ESL commands.
• mod_expr – Brian Allen Vanderburg’s expression evaluation library.
• mod_fifo – FIFO module.
• mod_fsk – FSK (Frequency-Shift Keying) data transfer
• mod_fsv – FreeSWITCH Video application (Recording and playback)
• mod_hash – Hashtable key/value store functionality and limit backend
• mod_httapi – HT-TAPI Hypertext Telephony API (Twilio FreeSWITCH style)
• mod_http_cache – HTTP GET緩存 HTTP GET with caching.
• mod_ladspa – use Auto-tune on your call.
• mod_lcr – Implements LCR (Least Cost Routing)
• mod_limit – pulled into core. See: Limit.
• mod_memcache – API that integrates with memcached (a distributed key/value object store)
• mod_mongo – http://www.mongodb.org/
  • describtion needed!
• mod_mp4 – MP4 File Format support for video apps.
• mod_nibblebill – Billing module (“nibbles” at credit/cash amounts during calls)
• mod_oreka – Module for Media Recording with Oreka
• mod_osp – Open Settlement Protocol (OSP) Module.
• mod_rad_auth – use RADIUS for authentication
• mod_redis – supplies a limit back-end that uses Redis.
• mod_rss – Reads RSS feeds via a TTS engine.
• mod_skel – Dummy module.
• mod_sms – Apps for chat messages
• mod_snapshot – Records a sliding window of audio and can take snapshots to disk.
• mod_snipe_hunt – A simple framework demo module.
• mod_snmp – SNMP module.
• mod_snom – Controlling softkeys on Snom phones (button function, led state, label etc.)
• mod_soundtouch – Modify the pitch of the audio and other sound effects.
• mod_spandsp – Spandsp tone and DTMF detectors. A combination of mod_fax and mod_voipcodecs and mod_t38gateway.
• mod_spy – User spy module.
• mod_stress – Module for detecting voice stress.
• mod_tone_detect – Tone detection module.
  • now MERGED into mod_dptools
• mod_valet_parking – Allows calls to be parked and picked up easily.
• mod_vmd – Voicemail beep detection module.
• mod_voicemail – Full-featured voicemail module.
• mod_voicemail_ivr – VoiceMail IVR Interface.
• mod_xml_odbc – Allows user directory to be accessed from a database in realtime.

Speech Recognition / Text-to-Speech

• mod_cepstral – Links into Cepstral for dynamic sound output.
• mod_flite – Free open source Text to Speech.
• mod_pocketsphinx – Free open source Speech Recognition.
• mod_tts_commandline – Run a command line and play the outputted file.
• mod_shout – allows you to stream audio from an url hence can be used with online TTS providers; see [Examples]
• mod_unimrcp – Module for an open MRCP implementation.

Codecs

Codec Negotiation explained

• mod_amr – GSM-AMR (Adaptive Multi-Rate) codec.
• mod_amrwb – GSM-AMRWB (ARM Wide Band) codec.
• mod_bv – BroadVoice16 and BroadVoice32 audio codecs (Broadcom codecs).
• mod_celt – CELT ultra-low delay audio codec.
• mod_dahdi_codec – DAHDI Codecs (G729A 8.0kbit, G723.1 5.3kbit).
• mod_codec2 – FreeSWITCH CODEC2 Module.
• mod_g723_1 G.723.1 codec.
• mod_g729 – G.729 codec.
• mod_com_g729 – G.729 codec (licenced version supporting transcoding).
• mod_h26x – H26X signed linear codec.
• mod_ilbc – ILBC codec.
• mod_opus – The OPUS ultra-low delay audio codec (http://opus-codec.org/)
• mod_sangoma_codec – Module to use the Sangoma transcoding cards.PCMU,PCMA,G729,G726-32,G722,GSM,G723,AMR,G7221,iLBC
• mod_silk – Skype’s SILK codec.
• mod_siren – G.722.1 (Siren7) and G.722.1 Annex C (Siren14) Polycom codecs.
• mod_skel_codec – FreeSWITCH skeleton codec.
• mod_speex – Speex codec.

Dialplan

• mod_dialplan_asterisk – Allows you to create dialplans the old-fashioned way.
• mod_dialplan_directory – Allows you to obtain a dialplan from a directory resource (see directories below)
• mod_dialplan_xml – Allows you to program dialplans in XML format.
• mod_yaml – Allows you to program dialplans in YAML format.

Directories

• mod_ldap – LDAP module made to obtain dialplans, user accounts, etc.

Endpoints

• mod_dingaling – Jabber/Google Talk Talk integration module.
• mod_h323 – Endpoint module based on the h323plus library.
• mod_html5 – HTML5 Endpoint Module
• mod_khomp – All Khomp Cards module.
• mod_loopback – Loopback endpoint module – A loopback channel driver to make an outbound call as an inbound call.
• mod_opal – Multi-protocol (H.323/IAX2) endpoint module based on the Opal library.
• mod_openzap – Interface to Zaptel hardware.
• mod_freetdm – Interface to Zaptel hardware. Replaces mod_openzap
• mod_portaudio – Voice through a local soundcard.
• mod_skinny – SCCP module
• mod_skypopen – Skype compatible module.
• mod_gsmopen – FreeSWITCH GSM interface module
• mod_sofia – SIP module.
• mod_rtmp – “Real time media protocol” endpoint for FreeSWITCH.
• mod_wanpipe – T1/E1 Sangoma Card module.
  • replaced by mod_freetdm
• mod_woomera – H.323/Woomera module.

Event Handlers

See cdr

• mod_cdr_csv – CSV call detail record handler.
• mod_cdr_pg_csv – Asterisk Compatible CDR Module with PostgreSQL interface
• mod_cdr_sqlite – SQLite CDR Module
• mod_radius_cdr – RADIUS CDR Module.
• mod_xml_cdr – XML-based call detail record handler.
• mod_json_cdr – JSON CDR Module to files or curl
• mod_cdr_mongodb – MongoDB CDR module
• mod_erlang_event – Module to send/receive events/commands in Erlang’s binary format.
• mod_event_multicast – Broadcasts events to netmask.
• mod_event socket – Sends events via a single socket.
• mod_event_test – Print all events to console.
• mod_rayo – 3PCC over XMPP – http://rayo.org/xep
• mod_snmp – SNMP AgentX module
• mod_xmpp_event – Sends events to a Jabber ID (proof of concept application.)
• mod_zeroconf – Support for zeroconf.
• mod_event_zmq – http://www.zeromq.org/

Unsupported

• mod_cdr – Call detail record handler

File Formats

• mod_file_string – A useful way of specifying multiple sound files to be played sequentially.
  • now MERGED into mod_dptools
• mod_local_stream – Multiple channels connected to same looped file stream.
• mod_portaudio_stream – Stream from an external audio source for Music on Hold
• mod_native_file – File interface for codec specific file formats.
• mod_shell_stream – Stream audio from an arbitrary shell command. Read audio from a database, from a soundcard, etc.
• mod_shout – MP3 files and shoutcast streams.
• mod_sndfile – Multi-format file format transcoder (WAV, etc)
• mod_ssml – Speech Synthesis Markup Language parser
• mod_tone_stream – Tone Generation Stream.

Languages

Languages for Call Control explained.

• mod_java – Java support.
• mod_lua – Lua support.
• mod_managed – Support for .NET (Microsoft CLR or Mono) and .NET languages (C#, VB, F#, …)
• mod_perl – Perl support.
• mod_python – Python Support.
• mod_spidermonkey – JavaScript support. See also our Javascript page.
  • mod_spidermonkey_core_db – JavaScript support for the freeswitch SQLite.
  • mod_spidermonkey_skel – JavaScript dummy module.
  • mod_spidermonkey_teletone – JavaScript support for lib_teletone.
  • mod_spidermonkey_odbc – JavaScript support for ODBC.

Languages (unsupported / out of tree)

• mod_php – PHP support.
• mod_ruby – Ruby support.

Loggers

• mod_console – Console logger.
• mod_logfile – File logger.
• mod_syslog – Syslog logger.

Timers

• softtimer – Timer for FreeSWITCH. No hardware needed, now in-core (but still optional)
• mod_posix_timer – POSIX timers. Runs on older kernels like the ones in Centos 5.
• mod_timerfd – a new kernel that supports this option kernel >= 2.6.25 and libc >= 2.8

External API’s

• mod_xml_curl – XML Gateway Code. Configure FreeSWITCH™ from a web server on boot and on the fly.
• mod_xml_ldap – LDAP XML Gateway.
• mod_xml_rpc – XML Remote Procedure Calls. Issue commands from your web application.
• mod_xml_scgi – Simple Common Gateway Interface

External modules

• freeswitch munin module – Munin modules for monitoring freeswitch servers.

Good Good Study, Day Day Up.

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