Specsheet

From FreeSWITCH Wiki

FreeSWITCH Spec Sheet (phoenix aka 1.0):

Contents 1 Possible Uses 2 Features 3 Applications 4 Protocols 5 Languages 6 Cross Platform 7 Minimum/Recommended System Requirements 8 Performance

Possible Uses

• Rating & Routing Server
• Transcoding B2BUA
• IVR & Announcement Server
• Conference Server
• Voicemail Server
• SBC (Session Border Controller)
• Basic Topology Hiding Session Border Controller
• Zaptel and Sangoma Hardware Support (Analog and PRI)

Features

• Centralized User/Domain Directory (directory.xml)
• Nano Second CDR granularity
• Call recording (In Stereo caller/callee left/right)
• High Performance Multi-Threaded Core engine
• Configuration via CURL to your http server (xml_curl).
• XML Config files for easy parsing.
• Protocol Agnostic
• Configurable RFC2833 Payload type
• Inband DTMF generation and detection.
• Software based Conference (no hardware requirement)
• Wideband Conferencing
• Media / No Media modes
• Proper ENUM/ISN dialing built in
• Detailed CDR in XML
• Radius CDR
• Subscription server
  • Shared Line Appearances
  • Bridged Line Appearances
• Enterprise/Carrier grade Eventing Engine. (XML Events, Name Value Events, Multicast Events)
• Loadable File formats and streaming
• Stream to Shoutcast
• Multi-lingual Speech Phrase Interface
• ASR/TTS support (native and via MRCP)
• Basic IP/PBX features
• Automated Attendant
• Custom Ring Back Tones
• XML RPC support
• Multiple format CDR's supported
• SQL Engine provides session persistence
• Thread Isolation
• Parallel Hunting
• Serial Hunting
• Mozilla Public License
• Support
  • Paid support available
  • Free support via IRC & e-mail
• Many supported codecs
  • G.722 (wideband)
  • G.711
  • G.726 (16k,24k,32k,48k) AAL2 and RFC3551
  • G.723.1 (passthru)
  • G.729 (passthru)
  • AMR (passthru)
  • iLBC
  • speex (narrow and wideband)
  • lpc10
  • DVI4 (ADPCM) 8khz and 16khz

Applications

• Voicemail
  • Multitenancy - Enterprise/Carrier configuration
  • Time of Day Greetings
  • Urgent Message Tagging
  • EMail Delivery
  • Playback and Rerecord messages before delivery.
  • Keys are templates so you can rearrange to fit your needs.
  • Callback support from inside voicemail.
  • Podcast of Voicemail (RSS)
  • Message Waiting Indicator (MWI)
• Support for Queues (via mod_fifo)
• Parking (via mod_fifo)
• Conference
  • Software based Conferencing without any hardware requirements.
  • Wideband conferences.
  • Multiple on-demand or scheduled conferences with entry/exit announcements
  • Play files into the conference or a single member.
  • Relationships
  • TTS integration
  • Transfers
  • Outbound Calling
  • Configurable Key Lay
  • Volume, Gain and Energy level per call.
  • Bridge to Conference trasition
  • Multi Party outbound dialing.
• RSS Reader

Protocols

• SIP
  • UDP, TCP and TLS transports for full sip compliance.
  • SIP Session timers
  • RTP Timers
  • SRTP via SDES (works with polycom, snom and grandstream)
  • Blind SIP Registration
  • STUN Support
  • Jitter buffer
  • NAT Support
  • Distributed sip registrations
  • Late Codec Negotiation
  • Multiple sip registrations per user account.
  • Multitenancy - Multiple sip UAs
  • SIP Reinvites.
  • Can act as an SBC (session border controller)
  • Manage Presence
  • SIP/SIMPLE (can gateway to other chat protocols)
  • SIP Multicast Paging support for Linksys and Snom
  • Intercom/AutoAnswer support.
  • Call features like Call Hold(Re-INVITE), Blind Transfer(REFER), Call Forward(302) etc.

• IAX (Via a modified libiax2.)

• Jingle
  • Interop with GoogleTalk and Telepathy

• h.323 (Currently only supports H.323 via the Woomera protocol. This should change soon.)

Languages

• Javascript (Using the Spidermonkey Javascripting engine.)
  • ODBC Support from inside your Javascript
  • Extendable modules for Javascript
  • Tone Generation

• Python
• Perl
• Lua

Cross Platform

• Builds native on Windows in MSVC
• Builds on Mac OS X, Linux, Solaris and *BSD.

Minimum/Recommended System Requirements

• 32bit OS (64bit recommended)
• 512MB Ram (1GB recommended)
• 50MB of Disk Space

System requirements depend on your deployment needs. We recommend you plan for 50% duty cycle.

Performance

• Tested under load for over 100 hours
• 10,000,000+ calls
• At rates exceeding 50 CPS

Performance will vary depending on application. You will need to test for your particular situation.