(None of these services have a particularly 'Christian' perspective, (counsellors will not necessarily be religious people) but they should give you a positive and supportive experience!)
 

A SITE THAT HAS CONTACTS FOR MOST OF AUSTRALIA'S GAY / LESBIAN PHONE COUNSELLING SERVICES:

        
Gay and Lesbian Counselling and Community Services of Australia
 

NSW - AUSTRALIA:

Gay and Lesbian Counselling Service of NSW
Telephone Counselling Line (5.30pm-10.30pm, 7 Days):
02 8594 9596 from the Sydney Metropolitan Area; or
1800 18 4527 from NSW outside Sydney Metropolitan Area.
 Web: www.glccs.org.au

VICTORIA - AUSTRALIA:

Gay and Lesbian Switchboard (MELBOURNE)
Counsellors are available daily from 6pm until 10pm,
and Wednesdays from 2pm until 10pm.
To speak to a trained volunteer counsellor, call
03.9827.8544  (Metropolitan area)
or   1800.184.527  (Country Victoria)

Parents and Friends of Lesbians and Gays
(as the name implies - a friendly ear -
not a counselling service as such but a support group)

THIS IS AN INTERNATIONAL GROUP AS WELL!
LOOK FOR THEM IN YOUR AREA:
PFLAG USA
OR.. Try a Google search using "PFLAG"