Binary package “libosip2-dev” in ubuntu jammy
development files for the SIP library
libosip2 header files and static libraries to assist in development of
programs wishing to use SIP.
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The oSIP library is written in C, is thread safe and has no dependencies
except the standard C library.
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oSIP could be used to implement an IP soft-phone as well as embedded SIP
software. oSIP is not limited to endpoint agents implementations and can
also be used to implement SIP proxies or registration services.
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oSIP currently provides an API for the SIP message parser, SDP message
parser, and library to handle "SIP transactions" as defined by the SIP
standards (RFC3261).