Advanced Communication Features

Supporting the latest SIP extensions, STIR/SHAKEN implementation, and WebRTC integration capabilities for modern communications

Latest SIP Extensions

Comprehensive support for modern SIP protocol enhancements

RFC 8760 Support

Full implementation of SIP Digest Authentication with SHA-256 and SHA-512 algorithms for enhanced security.

  • SHA-256/SHA-512 digest support
  • Backward compatibility with MD5

Session Timer Support

RFC 4028 compliant session timers for reliable call state management and orphaned session cleanup.

  • Automatic session refresh
  • Configurable timer intervals

Enhanced Privacy

RFC 3323/3325 Privacy header support for caller identity protection and P-Asserted-Identity handling.

  • Privacy header manipulation
  • Identity assertion support

RFC 5626 Outbound

Managing client-initiated connections in SIP for NAT traversal and mobile networks.

  • Flow-based registration
  • Keep-alive mechanisms

RFC 3326 Reason Header

Detailed call termination reasons for enhanced troubleshooting and analytics.

  • Q.850 cause codes
  • SIP response mapping

RFC 6665 Event Framework

Advanced SIP-specific event notification framework for presence and dialog state.

  • SUBSCRIBE/NOTIFY support
  • Event package handling

RFC 3311 UPDATE Method

Mid-dialog modifications without re-INVITE for efficient session management.

  • Session parameter updates
  • Codec renegotiation

RFC 5393 REFER Extensions

Enhanced call transfer capabilities with implicit subscriptions and norefersub.

  • Attended transfer support
  • Transfer progress tracking

RFC 3428 MESSAGE Method

Instant messaging and pager-mode messaging within SIP infrastructure.

  • Text messaging support
  • MIME type handling

STIR/SHAKEN Implementation

Complete call authentication and verification framework

Call Signing Service

Automated SHAKEN token generation with full attestation level support (A, B, C).

Key Features:

  • • Real-time certificate management
  • • Multi-tenant architecture
  • • Automatic certificate rotation
  • • Comprehensive audit logging
FCC Compliant

Call Verification Service

High-performance token validation with intelligent caching and fallback mechanisms.

Performance Metrics:

  • • <10ms verification latency
  • • 99.99% availability SLA
  • • 100K+ verifications/second
  • • Global certificate cache
High Performance

WebRTC Integration

Seamless browser-based communication capabilities

Browser-to-PSTN

Direct calling from web browsers to traditional phone networks without plugins.

  • DTLS-SRTP encryption
  • ICE/STUN/TURN support

Media Processing

Advanced codec transcoding and media manipulation for optimal quality.

  • Opus, G.711, G.729 codecs
  • Echo cancellation

Multi-Party Conferencing

Scalable audio/video conferencing with intelligent stream management.

  • SFU/MCU architecture
  • Simulcast support

Technical Specifications

Built on industry standards and best practices

Protocol Support

  • SIP 2.0 (RFC 3261) with extensions
  • RTP/RTCP (RFC 3550)
  • WebRTC (W3C standards)
  • STIR/SHAKEN (ATIS/IETF standards)

Security Features

  • TLS 1.3 for signaling
  • SRTP for media encryption
  • OAuth 2.0 authentication
  • DDoS protection

Experience Next-Generation Communications

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