[pjsip] Use MWI in PJSIP

[Md. Nasir Uddin]

Hi Samuel,

I have done the following steps for MWI:

1.  Copy mwi.h into include folder
2.  Copy mwi.c into source folder
3.  Build symbian_ua_gui in GCCE mode.

Then I got three Error :

1. mwi.c:(.text+0x4c8): undefined reference to `pjsip_mwi_current_notify'
2. mwi.c:(.text+0x514): undefined reference to `pjsip_mwi_notify'
3. mwi.c:(.text+0x804): undefined reference to `pjsip_mwi_notify'

After that I have done the following into mwi.c:

static pj_status_t pjsip_mwi_notify( pjsip_evsub *sub,
                       pjsip_evsub_state state,
                       const pj_str_t *state_str,
                       const pj_str_t *reason,
                       pjsip_tx_data **p_tdata)
    {
        pjsip_mwi *mwi;
        pjsip_tx_data *tdata;
        pj_status_t status;
        PJ_ASSERT_RETURN(sub, PJ_EINVAL);
        mwi = (pjsip_mwi*) pjsip_evsub_get_mod_data(sub, mod_mwi.id);
        PJ_ASSERT_ON_FAIL(mwi!=NULL, {return;});
        status = pjsip_mwi_notify( sub, PJSIP_EVSUB_STATE_TERMINATED,
                                      NULL, &reason, &tdata);
           if (status == PJ_SUCCESS)
            pjsip_mwi_send_request(sub, tdata);
        pjsip_dlg_inc_lock(mwi->dlg);
        status = pjsip_evsub_notify( sub, state, state_str, reason, &tdata);
        if (status != PJ_SUCCESS)
        goto on_return;
        *p_tdata = tdata;

    on_return:
        pjsip_dlg_dec_lock(mwi->dlg);
        return status;
    }

static pj_status_t pjsip_mwi_current_notify( pjsip_evsub *sub,
                                                pjsip_tx_data **p_tdata )
    {
        pjsip_mwi *mwi;
        pjsip_tx_data *tdata;
        pj_status_t status;
        PJ_ASSERT_RETURN(sub, PJ_EINVAL);
        mwi = (pjsip_mwi*) pjsip_evsub_get_mod_data(sub, mod_mwi.id);
        PJ_ASSERT_ON_FAIL(mwi!=NULL, {return;});
        pjsip_dlg_inc_lock(mwi->dlg);
        status = pjsip_evsub_current_notify( sub, &tdata);
        if (status != PJ_SUCCESS)
        goto on_return;
        *p_tdata = tdata;

    on_return:
        pjsip_dlg_dec_lock(mwi->dlg);
        return status;
    }

Now I didn't get any Error over there in my Application:

But I didn't know how it'll work or What will be the next steps?
Would you please tell me that I am going to right way and what I have to do
for next.

Thanking you
Nasir

On Sun, May 31, 2009 at 4:08 PM, Samuel Vinson <samuelv at laposte.net> wrote:

>  Hello
>
> Yes read and implement rfc 3842 (A Message Summary and Message Waiting
> Indication Event Package for
> the Session Initiation Protocol (SIP))
>
> You can look how presence is implemented in pjsip.
> I began the work, but it's not finished. I'm joining the begin of my works.
> Like you will see there still are set/get status functions.
> and after you will need to look pjsua_presence to know how implements
> subscription step.
>
> Regards
>
> Samuel
>
> Md. Nasir Uddin a écrit :
>
> Hi All,
>
> Can anyone tell me how to implement MWI using  PJSIP.
>
> Nasir
>
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