Opensips
OpenSIPS is an open source SIP proxy and B2BUA server used to build and deploy SIP platforms and VoIP infrastructures. It provides advanced routing, signaling, and session management capabilities for building large scale SIP networks.
sip
proxy
b2bua
voip
signaling
session-management
OpenSIPS: Open Source SIP Proxy and B2BUA Server
OpenSIPS is an open source SIP proxy and B2BUA server used to build and deploy SIP platforms and VoIP infrastructures. It provides advanced routing, signaling, and session management capabilities for building large scale SIP networks.
What is Opensips?
OpenSIPS is an open source Session Initiation Protocol (SIP) server and framework for building voice over IP (VoIP) platforms and unified communications solutions. It started in 2001 as OpenSER and forked in 2008 to become OpenSIPS.
OpenSIPS provides a scalable and flexible architecture for routing, managing, and securing real-time communications sessions. It can function as a SIP registrar, proxy, router, and back-to-back user agent (B2BUA) to control the flow of signaling messages between endpoints like IP phones, softphones, SIP trunks, and SIP providers.
Some key features and capabilities include:
- Scalable performance and reliability for carrier-grade telecom environments
- Flexible scripting, routing, and signaling logic for advanced session control
- NAT traversal, protocol manipulation, and topology hiding functions
- Load balancing, failover, and redundancy for high availability
- Authentication, access control, rate limiting for security and fraud prevention
- Extensive APIs, plugins, and modules for customization
OpenSIPS can enable platforms for IP PBX systems, VoIP service providers, telecom applications, SIP trunking solutions, contact centers, unified messaging servers, and more. It is highly customizable and programmable for tailoring to specific use cases.
Opensips Features
Features
- SIP signaling
- Presence and instant messaging
- Load balancing and failover
- NAT traversal
- Call routing and policy enforcement
- Media handling and transcoding
- Accounting and billing
- Integration with various databases
Pricing
- Open Source
Pros
Open source and free
High performance and scalability
Modular and extensible architecture
Supports wide range of protocols and standards
Active community support
Cons
Steep learning curve
Requires expertise to setup and configure
Limited graphical user interface
Need to integrate external components for full-featured system
Official Links
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