Formal:
* Ligarei: This is the most direct and formal translation.
* Vou ligar: This means "I will call" and is slightly less formal than "Ligarei".
Informal:
* Ligo depois: This means "I'll call later" and is more casual.
* Te ligo: This means "I'll call you" and is very informal.
Examples:
* Ligarei para você amanhã. (I will call you tomorrow.)
* Vou ligar para confirmar o endereço. (I will call to confirm the address.)
* Ligo depois para saber como você está. (I'll call later to see how you are.)
* Te ligo mais tarde! (I'll call you later!)
It's important to choose the appropriate phrase based on the situation and your relationship with the person you are talking to.