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Fix: Feature server REFER (#114)

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* Update _onFeatureServerTransfer to fix REFER case

* Add INFO listener

---------

Co-authored-by: Matt Preskett <matt.preskett@netcall.com>
This commit is contained in:
two56
2023-08-20 13:47:01 +01:00
committed by GitHub
parent 66e73d8353
commit b6675de2bd
1 changed files with 11 additions and 7 deletions
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18
lib/call-session.js
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@@ -904,6 +904,7 @@ Duration=${payload.duration} `
this.uac = uac;
uac.other = this.uas;
this.uas.other = uac;
uac.on('info', this._onInfo.bind(this, uac));
uac.on('modify', this._onReinvite.bind(this, uac));
uac.on('refer', this._onFeatureServerTransfer.bind(this, uac));
uac.on('destroy', () => {
@@ -913,19 +914,22 @@ Duration=${payload.duration} `
uac.other.destroy();
this.srf.endSession(this.req);
});
// now we can destroy the old dialog
dlg.destroy().catch(() => {});
// modify rtpengine to stream to new feature server
const opts = Object.assign({sdp: uac.remote.sdp, 'to-tag': res.getParsedHeader('To').params.tag},
this.rtpEngineOpts.answer);
const opts = {
...this.rtpEngineOpts.common,
'from-tag': this.rtpEngineOpts.uas.tag,
'to-tag': this.rtpEngineOpts.uac.tag,
sdp: uac.remote.sdp,
flags: ['port latching']
};
const response = await this.answer(opts);
if ('ok' !== response.result) {
res.send(488);
throw new Error(`_onFeatureServerTransfer: rtpengine failed: ${JSON.stringify(response)}`);
throw new Error(`_onFeatureServerTransfer: rtpengine answer failed: ${JSON.stringify(response)}`);
}
dlg.destroy().catch(() => {});
this.logger.info('successfully moved call to new feature server');
} catch (err) {
res.send(488);
this.logger.error(err, 'Error handling refer from feature server');
}
}