Embedded Voice and SIP Integration Solutions
SIP is no longer interesting merely because it can place an internet phone call. Its enduring value is interoperability: it gives specialized voice systems a standardized way to establish sessions and transport media across IP networks.
ZMATRIX focuses on the embedded and legacy-integration side of that problem.
Radio over IP
Radio systems, dispatch consoles and voice gateways frequently need an IP signaling and media layer while retaining application-specific control of the audio path. A compact SIP/RTP implementation can fit naturally into that architecture.
Explore Radio over IP applications →
Legacy PSTN to SIP
Analog telephone infrastructure still appears in PBXs, alarms, remote sites, service lines and installed industrial systems. FXO hardware can terminate those lines and bridge them into SIP-based environments.
Explore PSTN-to-SIP integration →
Embedded SIP endpoints
A dedicated endpoint does not need the footprint or UI assumptions of a consumer softphone. Intercoms, paging terminals, handsets and appliance-style devices often need only a well-defined signaling component plus product-specific networking and media handling.
Explore embedded SIP devices →
Technical guides
For engineers evaluating an architecture rather than a finished appliance, the technical guides go deeper into Radio over IP gateway design, ED-137 revision context, RTOS/bare-metal SIP integration, FXO/FXS interfaces and Asterisk/PSTN gateway architecture.
Custom gateways
Some problems do not map neatly to an off-the-shelf ATA or VoIP gateway. ZMATRIX can combine protocol software, analog interfaces, embedded Linux and target-specific application logic into a purpose-built communications appliance.