Call ending issue

[mohtisham]

I have bought Two S25 Ultra Phones having same issue of call ending 

The call end after 2 to 4 seconds when press end button on both phones can any one tell facing same issue

[user9992112]

That is network issue

[mohtisham]

Trying different network but no result

[mohtisham]

I was using same network will s24 ultra and no problem was found

[user9992112]

I'm not sure. That is strange.

[athargillani]

Facing same issue