As telecom networks evolve toward open, cloud-based technologies, interoperability remains essential. At PAiC BD, we focus on the protocols that enable secure and reliable communication between systems, partners, and operators.

Building on our open source-friendly core, we’ve developed expertise around a wide range of protocols commonly used by MNOs and MVNOs. These include:

• SS7 – Still critical in legacy signaling, roaming, and SMS interconnection.

• SIGTRAN – Supporting the transport of SS7 over IP networks, combining legacy systems with modern IP-based architectures.

• Diameter – Key for policy, charging, and authentication in LTE/IMS networks.

• HTTP – The foundation of modern APIs and service integration.

• HTTP/2 – In 5G, it serves as an application layer protocol for control plane communication between core functions.

• SMPP – A reliable standard for connecting with SMSCs and messaging gateways.

• SIP – The protocol behind voice over IP, used extensively in IMS and VoLTE.

• SUPL – For enabling secure and assisted location-based services.

We approach these protocols with the same philosophy we apply to open source: interoperability, transparency, and flexibility. Whether we’re integrating with legacy systems or supporting next-generation deployments, our goal is always the same, to make connectivity reliable.