Update docs

Author: john-e-riordan

docs/session-manager/sip.js.sessionmanageroptions.md

@@ -23,6 +23,8 @@ export interface SessionManagerOptions
 |  [managedSessionFactory](./sip.js.sessionmanageroptions.managedsessionfactory.md) |  | [ManagedSessionFactory](./sip.js.managedsessionfactory.md) | A factory for generating <code>ManagedSession</code> instances. |
 |  [maxSimultaneousSessions](./sip.js.sessionmanageroptions.maxsimultaneoussessions.md) |  | number | Maximum number of simultaneous sessions to manage. |
 |  [media](./sip.js.sessionmanageroptions.media.md) |  | [SessionManagerMedia](./sip.js.sessionmanagermedia.md) | Media options. |
+|  [optionsPingInterval](./sip.js.sessionmanageroptions.optionspinginterval.md) |  | number | If defined, SIP OPTIONS pings will be sent separated by this interval in seconds. |
+|  [optionsPingRequestURI](./sip.js.sessionmanageroptions.optionspingrequesturi.md) |  | string | The request URI to use for SIP OPTIONS pings. |
 |  [reconnectionAttempts](./sip.js.sessionmanageroptions.reconnectionattempts.md) |  | number | Maximum number of times to attempt to reconnection. |
 |  [reconnectionDelay](./sip.js.sessionmanageroptions.reconnectiondelay.md) |  | number | Seconds to wait between reconnection attempts. |
 |  [registererOptions](./sip.js.sessionmanageroptions.registereroptions.md) |  | RegistererOptions | Options for Registerer. |

etc/session-manager/sip.js.api.md

@@ -123,6 +123,8 @@ export interface SessionManagerOptions {
     managedSessionFactory?: ManagedSessionFactory;
     maxSimultaneousSessions?: number;
     media?: SessionManagerMedia;
+    optionsPingInterval?: number;
+    optionsPingRequestURI?: string;
     reconnectionAttempts?: number;
     reconnectionDelay?: number;
     // Warning: (ae-forgotten-export) The symbol "RegistererOptions" needs to be exported by the entry point index.d.ts