[Serusers] does_uri_exist does not find user in subscriber db?

Hello all, I've been having trouble with does_uri_exist function in uri module..for some reason it does not see the username in the subscriber table.. am running ser-0.8.12 stable, checks.c file where function does_uri_exist resides in uri directory of Ser source is $Id: checks.c,v 1.10 2003/04/28 22:08:03 janakj Exp $ here are the options I'm loading for uri module modparam("uri", "db_url", "mysql://seruser:serpasswd@localhost/ser") modparam("uri", "subscriber_table", "subscriber") modparam("uri", "uri_table", "uri") modparam("uri", "uri_user_column", "username") modparam("uri", "uri_domain_column", "domain") modparam("uri", "uri_uriuser_column", "uri_user") modparam("uri", "subscriber_user_column", "username") modparam("uri", "subscriber_domain_column", "domain") this is the part on ser.cfg where I am trying to apply does_uri_exist if (!lookup("location")) { log(1, "LOG:USRLOC request not found\n"); if (does_uri_exist()) { log(1, "LOG:URI Exists\n"); if (is_user_in("Request-URI", "voicemail")) { rewritehostport("192.168.10.10:5090"); log(1, "LOG:USRLOC request not found,VM set,relay to VM\n"); if (!t_relay()) { sl_reply_error(); break; }; break; }; }; }; I know that the username is in the subscriber table username 4500 when I check the mysql db I get mysql> select * from subscriber where username=4500; | phplib_id | username | domain | password | first_name | last_name | phone | email_address | datetime_created | datetime_modified | confirmation | flag | sendnotification | greeting | ha1 | ha1b | perms | allow _find | timezone | ------+----------+ | c493919a77f0c3e2671dce9048a78cce | 4500 | sip.mydomain.com| 4500 | | | | 4500(a)sip.mydomain.com| 2004-06-25 00:32:27 | 0000-00-00 00:00:00 | | o | | | c49 3919a77f0c3e2671dce9048a78cce | 643bfb0b11229b401fc32c4af1b538d4 | NULL | 0 | NULL | +----------------------------------+----------+---------------------+------- ---+ but while running debug during a call to 4500 which is not in location db but is in subscriber table i get 0(20262) lookup(): '4500' Not found in usrloc 0(20262) LOG:USRLOC request not found 0(20262) does_uri_exit(): User in request uri does not exist 0(20262) LOG: Called not in location DB/n 0(20262) parse_headers: flags=16384 Is there something missing in my script that is needed by does_uri_exist? I really appreciate any help pointing me in the right direction Thanks Francisco