Calling together and Call up

Calling together noun - The act of convoking.

Call up and calling together are semantically related. in gather topic. In some cases you can use "Call up" instead a verb phrase "Calling together".

Call up verb - Get or try to get into communication (with someone) by telephone.

Calling together and call up are semantically related. Sometimes you can replace phrase "Calling together" with "Call up", this terms are similar.