On the left

There is now a "call bar" for the new "call spells".

On the right

You can link all totems to each call spell.

When you hover a totem spell with the mouse, 3 bubbles are shown. Each one represent a call spell, in order Elements, Ancestors, and Spirits.

To link a totem to a call spell, click on the corresponding bubble.

To unlink a totem to a call spell, alt+click on the corresponding bubble.

The good news is that it works in combat ! You can redo your totem sets on the fly when fighting.