gistfile1.cs

using System;
using Twilio;
class Example 
{
    static void Main(string[] args) 
    {
        // Find your Account Sid and Auth Token at twilio.com/user/account
        string AccountSid = "AC58f1e8f2b1c6b88ca90a012a4be0c279";
        string AuthToken = "456bef";
        var twilio = new TwilioRestClient(AccountSid, AuthToken);
        var numbers = twilio.ListIncomingPhoneNumbers("+19252717005", "kevin", null, 3);
        foreach (var number in numbers.IncomingPhoneNumbers)
        {
        	Console.WriteLine(number.VoiceUrl);
        }
    }
}