Redmine

I'm trying to serve up config files to my Asterisk server, I can see the request being made, but I don't know how to handle it. I have a /sip directory with sip.conf in it, but what is static? Thanks in advance.

2012-06-15 23:41:37: (request.c.304) fd: 6 request-len: 113
GET /sip/static?file=sip.conf HTTP/1.1
User-Agent: asterisk-libcurl-agent/1.0
Host: localhost
Accept: */*