discussion on phone vs discussion over phone

Examples:

• I had a long discussion on the phone with my friend last night.
• Let's continue the discussion on the phone tomorrow.
• We can have a quick discussion on the phone before the meeting.
• She prefers to have discussions on the phone rather than in person.
• The discussion on the phone was very productive.

Alternatives:

• discussion over the phone
• phone discussion
• conversation on the phone
• talk on the phone
• chat on the phone

Examples:

• We need to have a discussion over the phone to finalize the details.
• Let's schedule a discussion over the phone for tomorrow.
• The decision was made after a lengthy discussion over the phone.
• She prefers to conduct discussions over the phone for convenience.
• The discussion over the phone was very informative.

Alternatives:

• discussion on the phone
• phone discussion
• conversation over the phone
• talk over the phone
• chat over the phone