Voipswitch’s Class 4/5 softswitch is a multiservice telephony server which leverages SIP and other related communication protocols. It combines the SIP server and application server roles in a next generation network (NGN).

• • Proxy server
  • Registrar server
  • Back-to-back user agent (B2BUA)
  • Presence server
• • IVR – provides interactive voice scenarios for Calling Cards and Unified Communication features
  • Voicemail
  • Call recording – records conversations to a file or live streaming format
  • Legal Interception
  • Transcoding
  • Media Relay/RTP proxy
  • Fax server T38

Specification

• Network:
  • SIP, IMS extensions
  • Media Relay/Proxy with NAT endpoints handling
  • ICE mechanism for Peer to Peer session establishment, STUN
  • SIP SIMPLE Instant Messaging
  • Presence SUBSCRIBE/PUBLISH
  • DTLS
  • WebRTC compatible
• Billing:
  • Credit control application, support for Prepaid and Postpaid model
  • Subscriptions, packages, bundles
  • Real time multi-layer charging with credit control for each ownership level (Resellers)
  • Advanced rating
  • Multicurrency
• Routing:
  • Least Cost Routing
  • Load balancing/sharing for termination endpoints
  • Traffic failover with multiple “waterfall” levels
  • Multiple routing plans
• Accounts:
  • Multilayered accounts ownership structure (Owner, 3 levels of Resellers, Sales Agents)
  • Multiple devices sharing one account (support for SIP INSTANCE)
  • Sharing accounts among services e.g. RCS mobile client shares account with Calling card PIN or PINless service
• Telephony features/ Enterprise Telephony (PBX):
  • Follow me/Find me
  • Hunt Groups
  • Parking
  • Transfers, hold, second line, shared line, BLF
  • Voicemail
  • PBX specific features: Dial by Name, extensions etc.
  • Autoattendants
  • Learn more in the Unified Communication section
• Media Gateway (Voip Box):
  • Playing audio/video – Interactive Voice Response system with xml based flow scenarios
  • Call recording to a file or live stream (mp3, mp4, HLS)
  • Legal Interception
  • Transcoding
• Fax server:
  • T38 protocol
  • Email to fax/fax to email
  • Web fax viewer
  • Sending directly from web

Visit our documentation page at: http://docs.voipswitch.com/display/doc/1.+Voipswitch+platform