Send options ping sip gateway (#363)

* wip

* up options ping

* update review comments

src/api/types.ts

@@ -485,6 +485,7 @@ export interface SipGateway extends Gateway {
   protocol?: string;
   port: number | null;
   pad_crypto?: boolean;
+  send_options_ping?: boolean;
 }
 
 export interface SmppGateway extends Gateway {

src/containers/internal/views/carriers/form.tsx

@@ -1119,6 +1119,29 @@ export const CarrierForm = ({
                           </label>
                         </div>
                       )}
+                      {Boolean(g.outbound) && (
+                        <div>
+                          <label
+                            htmlFor={`send_options_ping_${i}`}
+                            className="chk"
+                          >
+                            <input
+                              id={`send_options_ping_${i}`}
+                              name={`send_options_ping_${i}`}
+                              type="checkbox"
+                              checked={g.send_options_ping ? true : false}
+                              onChange={(e) => {
+                                updateSipGateways(
+                                  i,
+                                  "send_options_ping",
+                                  e.target.checked,
+                                );
+                              }}
+                            />
+                            <div>Send OPTIONS ping</div>
+                          </label>
+                        </div>
+                      )}
                     </div>
 
                     <button