config FREETZ_LIB_libosip2 bool "libosip2 (libosip2.so)" select FREETZ_LIB_libosipparser2 default n help GNU oSIP library, a Session Initiation Protocol (SIP) implementation. config FREETZ_LIB_libosipparser2 bool "libosipparser2 (libosipparser2.so)" default n help GNU oSIP library, a Session Initiation Protocol (SIP) implementation.