code: public OvhOrder telephony_billingAccount_accessories_GET(String billingAccount, String[] accessories, String mondialRelayId, Boolean retractation, Long shippingContactId) throws IOException {
  		String qPath = "/order/telephony/{billingAccount}/accessories";
  		StringBuilder sb = path(qPath, billingAccount);
  		query(sb, "accessories", accessories);
  		query(sb, "mondialRelayId", mondialRelayId);
  		query(sb, "retractation", retractation);
  		query(sb, "shippingContactId", shippingContactId);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhOrder.class);
  	}
docs: Get prices and contracts information
  
  REST: GET /order/telephony/{billingAccount}/accessories
  @param mondialRelayId [required] Use /supply/mondialRelay entry point to specify a relay point and ignore shipping contact address information entry.
  @param shippingContactId [required] Shipping contact information id from /me entry point
  @param retractation [required] Retractation rights if set
  @param accessories [required] Accessories to order
  @param billingAccount [required] The name of your billingAccount