As the telecommunications industry transitions from legacy signaling protocols (like SS7) toward IP-based systems, SIP has become the backbone for voice and multimedia services, including and 5G Voice . FS.38 addresses the unique vulnerabilities introduced by this shift, offering a comprehensive guide to identifying and mitigating SIP-based threats. Key Focus Areas
With the rise of VoLTE, VoNR (Voice over New Radio) in 5G, and Fixed-Mobile Convergence (FMC), SIP is no longer isolated to the core network. It is exposed to the internet, roaming partners, and user devices. Key threats addressed by FS.38 include: gsma fs.38
FS.38 provides actionable recommendations covering access, interconnects, and the core network. 1. Defense in Depth Beyond SBCs It is exposed to the internet, roaming partners,
The GSMA FS.38 is more than just a document; it is a vital tool that represents a new, more mature era of telecom security. By moving away from outdated models of implicit trust and sole reliance on firewalls, and embracing a defense-in-depth approach, the standard provides a comprehensive and actionable guide for network operators, vendors, and security professionals. Defense in Depth Beyond SBCs The GSMA FS