[Serusers] sipums problem!

I want to my sems run ivr with test.pl I edit the sems.conf. Am I right?? ivr_script_path=/usr/local/sipums/scripts/ ivr_script_file=test.pl And I try sems -E -D 0 I have this error message could someone how to solve it??And should I recompile plug-in/ivr?? interp is 135218192 filename is /usr/local/sipums/scripts/test.pl Can't locate Telephony/CTPort.pm in @INC (@INC contains: /usr/local/openums/lib /usr/lib/perl5/5.8.0/i386-linux-thread-multi /usr/lib/perl5/5.8.0 /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.0 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.0 /usr/lib/perl5/vendor_perl .) at /usr/local/openums/lib/OpenUMS/Mwi.pm line 49. BEGIN failed--compilation aborted at /usr/local/openums/lib/OpenUMS/Mwi.pm line 49. Compilation failed in require at /usr/local/sipums/scripts/test.pl line 24. BEGIN failed--compilation aborted at /usr/local/sipums/scripts/test.pl line 24.