211 lines
6.6 KiB
C
211 lines
6.6 KiB
C
/* $Id$ */
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/*
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PJSIP_SIMPLE_MWI_H__
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#define __PJSIP_SIMPLE_MWI_H__
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/**
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* @file mwi.h
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* @brief SIP Extension for MWI (RFC 3842)
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*/
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#include <pjsip-simple/evsub.h>
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#include <pjsip/sip_msg.h>
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PJ_BEGIN_DECL
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/**
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* @defgroup mwi SIP Message Summary and Message Waiting Indication (RFC 3842)
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* @ingroup PJSIP_SIMPLE
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* @brief Support for SIP MWI Extension (RFC 3842)
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* @{
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*
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* This module implements RFC 3842: A Message Summary and Message Waiting
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* Indication Event Package for the Session Initiation Protocol (SIP).
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* It uses the SIP Event Notification framework (evsub.h) and extends the
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* framework by implementing "message-summary" event package.
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*/
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/**
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* Initialize the MWI module and register it as endpoint module and
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* package to the event subscription module.
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*
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* @param endpt The endpoint instance.
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* @param mod_evsub The event subscription module instance.
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*
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* @return PJ_SUCCESS if the module is successfully
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* initialized and registered to both endpoint
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* and the event subscription module.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_init_module(pjsip_endpoint *endpt,
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pjsip_module *mod_evsub);
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/**
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* Get the MWI module instance.
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*
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* @return The MWI module instance.
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*/
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PJ_DECL(pjsip_module*) pjsip_mwi_instance(void);
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/**
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* Create MWI client subscription session.
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*
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* @param dlg The underlying dialog to use.
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* @param user_cb Pointer to callbacks to receive MWI subscription
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* events.
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* @param options Option flags. Currently only PJSIP_EVSUB_NO_EVENT_ID
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* is recognized.
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* @param p_evsub Pointer to receive the MWI subscription
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* session.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_create_uac( pjsip_dialog *dlg,
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const pjsip_evsub_user *user_cb,
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unsigned options,
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pjsip_evsub **p_evsub );
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/**
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* Create MWI server subscription session.
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*
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* @param dlg The underlying dialog to use.
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* @param user_cb Pointer to callbacks to receive MWI subscription
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* events.
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* @param rdata The incoming SUBSCRIBE request that creates the event
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* subscription.
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* @param p_evsub Pointer to receive the MWI subscription
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* session.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_create_uas( pjsip_dialog *dlg,
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const pjsip_evsub_user *user_cb,
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pjsip_rx_data *rdata,
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pjsip_evsub **p_evsub );
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/**
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* Forcefully destroy the MWI subscription. This function should only
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* be called on special condition, such as when the subscription
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* initialization has failed. For other conditions, application MUST terminate
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* the subscription by sending the appropriate un(SUBSCRIBE) or NOTIFY.
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*
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* @param sub The MWI subscription.
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* @param notify Specify whether the state notification callback
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* should be called.
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*
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* @return PJ_SUCCESS if subscription session has been destroyed.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_terminate( pjsip_evsub *sub,
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pj_bool_t notify );
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/**
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* Call this function to create request to initiate MWI subscription, to
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* refresh subcription, or to request subscription termination.
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*
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* @param sub Client subscription instance.
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* @param expires Subscription expiration. If the value is set to zero,
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* this will request unsubscription. If the value is
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* PJSIP_EXPIRES_NOT_SPECIFIED, default expiration
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* as defined by the package will be used.
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* @param p_tdata Pointer to receive the request.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_initiate( pjsip_evsub *sub,
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pj_uint32_t expires,
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pjsip_tx_data **p_tdata);
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/**
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* Accept the incoming subscription request by sending 2xx response to
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* incoming SUBSCRIBE request.
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*
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* @param sub Server subscription instance.
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* @param rdata The incoming subscription request message.
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* @param st_code Status code, which MUST be final response.
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* @param hdr_list Optional list of headers to be added in the response.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_accept( pjsip_evsub *sub,
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pjsip_rx_data *rdata,
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int st_code,
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const pjsip_hdr *hdr_list );
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/**
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* For notifier, create NOTIFY request to subscriber, and set the state
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* of the subscription.
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*
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* @param sub The server subscription (notifier) instance.
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* @param state New state to set.
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* @param state_str The state string name, if state contains value other
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* than active, pending, or terminated. Otherwise this
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* argument is ignored.
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* @param reason Specify reason if new state is terminated, otherwise
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* put NULL.
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* @param mime_type MIME type/content type of the message body.
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* @param body Message body to be included in the NOTIFY request.
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* @param p_tdata Pointer to receive the request.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_notify( pjsip_evsub *sub,
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pjsip_evsub_state state,
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const pj_str_t *state_str,
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const pj_str_t *reason,
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const pjsip_media_type *mime_type,
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const pj_str_t *body,
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pjsip_tx_data **p_tdata);
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/**
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* Create NOTIFY request containing message body from the last NOITFY
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* message created.
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*
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* @param sub Server subscription object.
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* @param p_tdata Pointer to receive request.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_current_notify( pjsip_evsub *sub,
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pjsip_tx_data **p_tdata );
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/**
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* Send request message that was previously created with initiate(), notify(),
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* or current_notify(). Application may also send request created with other
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* functions, e.g. authentication. But the request MUST be either request
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* that creates/refresh subscription or NOTIFY request.
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*
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* @param sub The subscription object.
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* @param tdata Request message to be sent.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_mwi_send_request( pjsip_evsub *sub,
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pjsip_tx_data *tdata );
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/**
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* @}
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*/
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PJ_END_DECL
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#endif /* __PJSIP_SIMPLE_MWI_H__ */
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