can't Merge My conference Calls

[munirathinam]

I unable to merge my conference calls it show
(UNABLE TO MERGE CALLS)
please do as favour

[JinceVFrancis]

which mobile operators u r using? some operators can't allow conference call and features for eg Vodafone

[admin_]

Thanks for being with Samsung and for sharing your concern. We would like to inform you that the issue may be from the network service provider. So request you to kindly contact the network service provider.

Be sure to hit ♡ when you find an answer that works for you.

[ankitbhai]

can't merage my conference call in my device