outgoingcallerids.go
func (o *OutgoingCallerIDPageIterator) Next(ctx context.Context) (*OutgoingCallerIDPage, error) {
	op := new(OutgoingCallerIDPage)
	err := o.p.Next(ctx, op)
	if err != nil {
		return nil, err
	}
	o.p.SetNextPageURI(op.NextPageURI)
	return op, nil
}
func (o *OutgoingCallerIDPageIterator) Next(ctx context.Context) (*OutgoingCallerIDPage, error) {
	op := new(OutgoingCallerIDPage)
	err := o.p.Next(ctx, op)
	if err != nil {
		return nil, err
	}
	o.p.SetNextPageURI(op.NextPageURI)
	return op, nil
}
// Next returns the next page of resources. If there are no more resources,
// NoMoreResults is returned.