Forbid SRVCC for roamers

Hello

Do you know how to forbid srvcc for roamers users ?
In core or radio side do you know how to prevent roamer users performing attempts of srvcc ?
Thanks

Hello!
SRVCC to… GERAN? WCDMA? or…?

To utran

Sorry, but I’m not sure if I’m right, but you need to ask your colleagues with CORE (MME, HSS, etc.)

Yes but i would like to know how to forbid srvcc for roamers at core side ?
Any suggestions?