Speak Sentence

speak.cs

private async Task ProcessCatapultFromEvent(AnswerEvent ev)
{
    // "from" number answered a call. speak him a message
    var call = new Call { Id = ev.CallId };
    call.SetClient(Client);
    var contact = DbContext.Contacts.FirstOrDefault(c => c.PhoneNumber == ev.Tag);
    if (contact == null)
    {
        throw new Exception("Missing contact for number " + ev.Tag);
    }
    await call.SpeakSentence(string.Format("We are connecting you to {0}", contact.Name), ev.Tag);
}