Please include phone contact information in the API results
I have noticed that the API search results include a field for phone contact information, but I have yet to see a result where the phone number is actually populated. However, clicking through to the actual results, very often there is a contact phone number. I suspect that this data is not yet being imported, but for my project it is the most important field.
Barnabas Kendall commented
Making that phone call to sign up would be the main call to action for volunteering (I would think) other than actually showing up to the opportunity. Add a little click-to-call, and how many more potential volunteers would make that jump from thinking "I might do that" to "I'll do it right now" and call?