It seems that app_swift does not work with Asterisk 15 or 16. I just get errors when trying to compile: [root at pbxoficina app_swift]# ./configure checking gcc... checking swift... checking asterisk... creating Makefile ******************************************************** * Now run 'make' to compile app_swift * ******************************************************** [root at pbxoficina app_swift]# make gcc -I/opt/swift/include -I/usr/include -g -Wall -fPIC -D_SWIFT_VER_6 -D_AST_VER_15 -c -o built/app_swift.o app_swift.c In file included from app_swift.c:34:0: /usr/include/asterisk.h:219:2: error: #error "Externally compiled modules must declare AST_MODULE_SELF_SYM." #error "Externally compiled modules must declare AST_MODULE_SELF_SYM." ^ app_swift.c:35:1: error: expected declaration specifiers or ‘...’ before string constant ASTERISK_FILE_VERSION(__FILE__, "$Revision: 305000 $") ^ app_swift.c:35:33: error: expected declaration specifiers or ‘...’ before string constant ASTERISK_FILE_VERSION(__FILE__, "$Revision: 305000 $") ^ In file included from app_swift.c:37:0: /opt/swift/include/swift.h:392:1: error: unknown type name ‘swift_voice’ swift_voice * SWIFT_CALLCONV ...... Is there a better way to use Cepstral voices for TTS on Asterisk? -- Telecomunicaciones Abiertas de México S.A. de C.V. Carlos Chávez +52 (55)8116-9161