The "c" and the "-" are field separators. If your dial digits is 01CZ, system detect 01 as code and Z as your dial, so E1 (echo 1) dial your "Z", otherwise if you need dial 01 and "Z" you can use E1E2A, where E1 will send 1st field (01) and E2 will send "Z", you problem is with 01CZ, the system...