Call::getIconCode

public function getIconCode(): ?string
{
	switch ($this->fetchDirection())
	{
		case CCrmActivityDirection::Incoming:
			if ($this->isMissedCall())
			{
				return Icon::CALL_INCOMING_MISSED;
			}

			return $this->isScheduled() ? Icon::CALL_INCOMING : Icon::CALL_COMPLETED;
		case CCrmActivityDirection::Outgoing:
			return Icon::CALL_OUTCOMING;
	}

	return Icon::CALL;
}