Hi everyone~ I am a student studying in VoIP and implementing my theory in SER. I try to access mysql database to get some information, but have a problem aboout paramaters of exe_msg. My goal is :count the number of contact addresses that certain user registered, and take this is my solution: exec_msg(' Count="select count(contact) from location where username=\"$SIP_HF_CONTACT\" "' CountResult=`mysql -user -pheslo -e "$Count" ser`; ') What is the result of "CountResult" ? I suppose originally that it will be the the number of the query, but it seems not......... If not, what it will be? How can I get my answer what I want to get ? Looking for all of the documents, I still can't find the information about how to access databases with exec_msg function. Hoping someone can give me some advises ^^. Thannks in advance. Lee