How to pronounce 掛號信 in Cantonese (2 out of 3):

究竟點樣可以自助寄掛號信
How can we send a self-help message?

Cantonese Sentence Breakdown

究竟 gau3 ging2
really
點樣 dim2 joeng2
(question)(phrase) what's with it?; what's up? ; how's it like?; how?; what is it like?
可以 ho2 ji5
(adjective) so so
自助 zi6 zo6
self-serve
gei3
send
掛號信 gwa3 hou6 sun3
registered mail
ni1
this