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2. What is new in 4.0.0
2.1 OpenSIPS Core
2.2 [NEW] AUTH_WEB3 module
- The new auth_web3 module to provide Web3-based authentication for OpenSIPS, enabling SIP authentication through blockchain technology and ENS (Ethereum Name Service) resolution.
2.3 [NEW] OPENTELEMETRY module
- The new Opentelemetry module is providing a standardized, vendor-neutral framework (APIs, SDKs, tools) to collect, process, and export telemetry data (traces, metrics, logs) from distributed systems, enabling deep insights into application performance, faster debugging, and preventing vendor lock-in by routing data to multiple observability backends.
2.4 JSON module
- new $json_compact_noescape variable added
2.5 AAA_DIAMETER module
- A new parameter, max_json_log_size can be used to increase the size of printed JSONs in case of errors.
2.6 B2B_LOGIC module
- A new variable has been added $b2b_logic.peer that returns the peer of a given b2b_logic key, expressed as callid;from-tag;to-tag.
- The b2b_bridge function can now take a new parameter, propagate-avps to instruct the module to copy AVPs across bridges.
2.7 CALLOPS module
- The mi_call_hold and mi_call_unhold MI functions have been enhanced with two more parameters: leg that can specify which call to be put on hold, and headers that can be used to provide extra headers to the outgoing re-INVITE.
2.8 DIALOG module
- The load_dialog_ctx() function has been enhanced with a new parameter that allows filtering only active dialogs - that is dialogs that are not deleted, their state is lower than 5.
2.9 MI_DATAGRAM module
- A new parameter has been added socket_buf_size that can be used to tune the datagram buffer size - this can be useful when dealing with Unix Datagram Sockets communication, where buffer size is not limited to UDP size.
2.10 RATE_CACHER module
- The module has now the ability to add multiple ratesheets to carriers while maintaining backward compatibility.
2.11 UAC_REGISTRANT module
- The module is now able to deal with dynamic registants, meaning registrants may be added and removed during runtime via MI command, see the reg_upsert and reg_delete commands.
- Several events are now exposed to inform on the registration & authentication changes of the registrant
- reports are provided for each registrant, to store the history of events.
2.12 UUID module
- The $uuid variable can take a parameter indicating the UUID version to be used to generate the value.