res_pjsip: Add 'user_eq_phone' option to add a 'user=phone' parameter when applicable.

This change adds a configuration option which adds a 'user=phone' parameter if the user
portion of the request URI or the From URI is determined to be a number.

Review: https://reviewboard.asterisk.org/r/4073/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@425804 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/res_pjsip.h

@@ -607,6 +607,8 @@ struct ast_sip_endpoint {
 	enum ast_sip_session_redirect redirect_method;
 	/*! Variables set on channel creation */
 	struct ast_variable *channel_vars;
+	/*! Whether to place a 'user=phone' parameter into the request URI if user is a number */
+	unsigned int usereqphone;
 };
 
 /*!
@@ -1483,6 +1485,15 @@ void ast_copy_pj_str(char *dest, const pj_str_t *src, size_t size);
  */
 struct ast_sip_endpoint *ast_pjsip_rdata_get_endpoint(pjsip_rx_data *rdata);
 
+/*!
+ * \brief Add 'user=phone' parameter to URI if enabled and user is a phone number.
+ *
+ * \param endpoint The endpoint to use for configuration
+ * \param pool The memory pool to allocate the parameter from
+ * \param uri The URI to check for user and to add parameter to
+ */
+void ast_sip_add_usereqphone(const struct ast_sip_endpoint *endpoint, pj_pool_t *pool, pjsip_uri *uri);
+
 /*!
  * \brief Retrieve any endpoints available to sorcery.
  *