Ask for your Representative or Senator by name. Usually you end up speaking with a legislative aide.
Introduce yourself as a constituent, give your name and town.
Tell them the Transgender Equal Rights bill is VERY important to you and that you want them to know that you are grateful for the bill's passage. If they voted against it,
SCRIPT (optional)
"Hello, I'm a constituent of Representative(Senator) ______. My name is______, I live in ______ (town).
I'm calling because I am glad to see that "An Act Relative to Transgender Equal Rights" PASSED THIS WEEK.
Did Representative(Senator) __________ vote for or against?"
IF FOR:
"I really appreciate _______'s support for this bill."
IF AGAINST or "DIDN'T VOTE":
"I appreciate their sincerity and hope that they will eventually come around to supporting Transgender Equal Rights."