Here are a few examples of politely asking for a phone call in conversation:

1. “Would it be possible for us to schedule a brief phone call to discuss [topic]?”
2. “I was wondering if we could connect over a phone call to go over the details.”
3. “Could I kindly request a few minutes of your time for a phone conversation?”
4. “If it’s convenient for you, I’d appreciate a phone call to discuss [subject].”
5. “I would greatly appreciate your guidance and would like to arrange a phone call, if that works for you.”

Remember to always be polite and considerate when requesting a phone call to ensure a positive and respectful communication experience.