SIP Settings - Probably a dumb question

I was looking at this post:

where Philippe stated make changes in sip_general_custom.conf - I know you can still do that but is changing things in the SIP Settings → SIP Channel module at the bottom the same thing

So in this specific example is it the same to put

registerattempts=0 in sip_general_custom.conf the same as putting it here:

I looked in the Wiki under the SIP Settings page - not much info there.