[SIP Beyond VoIP] sylkpush-server google fcm failed with error 400

[Vasilios Tzanoudakis]

Dear Team,

Happy new year to you all!!!

I have a question regarding sylkpush-server.
I have manged to run the sylkpush-server successfully
--------------------------------------------------------------------------------
root at ip-10-100-0-202:~# /usr/bin/sylk-pushserver --debug
INFO:root:2023-01-09 10:33:04.029253 Starting Sylk Pushserver...
INFO:to_file:2023-01-09 10:33:04.615029 Loaded 1 applications from
/etc/sylk-pushserver/applications.ini:
INFO:to_file:2023-01-09 10:33:04.615682 Loaded Firebase Linphone app
com.voiceland.voiceland
DEBUG:to_file:2023-01-09 10:33:04.616451 Linphone app
com.voiceland.voiceland classes: FirebaseLinphoneHeaders,
FirebaseLinphonePayload
DEBUG:to_file:2023-01-09 10:33:04.616731 Loaded 1 Push notification
services: FirebasePNS
DEBUG:to_file:2023-01-09 10:33:04.616935 Firebase Push Notification Service
- FirebasePNS class
DEBUG:to_file:2023-01-09 10:33:04.617140 Server is now ready to answer
requests
INFO:to_file:2023-01-09 10:33:04.618109 Sylk Pushserver listening on
http://0.0.0.0:8400
--------------------------------------------------------------------------------

and I am trying to wake up my device using this opensips script which is
take from the opensips.cfg example.
-------------------------------------------------------------------------------------------
$var(push_command) = "/usr/bin/sylk-pushclient --url \"
http://127.0.0.1:8400/push\" --platform=\"" + $var(pn_platform) +
"\" --appid=\"" + $var(pn_app) + "\" --from_name=\"" +
$(fn{s.escape.common}) + "\" --mediatype=\"" + $var(sip_application_type) +
"\" --event=\"" + $var(pn_event) + "\" --token=\"" + $var(pn_token) + "\"
--deviceid=\"" + $var(sip_instance) +"\" --callid=\"" +
$ci + "\" --from=\"" + $var(from) + "\" --to=\"" + $var(to) + "\"";
            xlog("L_NOTICE", "Route:ci:$ci:wakeup_mobile_devices [CONFIG]
Push notification command: $var(push_command)\n");
launch(exec("$var(push_command)",,, $var(rc)), "PN_RESULT");
---------------------------------------------------------

I am receiving an error from FCM side, could you please help me out because
I don't see time_to_live, priority to the sylk-pushclient and also it gives
me an error on "to" header also also that cannot find field. In the
opensips.cfg example I see pusher.py script which I cannot find anywhere in
repo. So could you please clarify what I am doing wrong?

root at ip-10-100-0-202:~# /usr/bin/sylk-pushclient --url "
http://127.0.0.1:8400/push" --platform="firebase" --appid="myappid"
--from_name="" --mediatype="audio" --event="incoming_session"
--token="cZdVSMtZRZ-qhGDAkX3vCj:token"
--deviceid="<urn:uuid:4cf4f194-0215-433b-86e1-8aecc8cde1ce>"
--callid="B2B.281.4947472.1673264089" --from="+30210XXXXXXX at domain"
--to="+30210XXXXXXX at domain"

error:
========================================================================
incoming_session push for B2B.281.4947472.1673264089 to
http://127.0.0.1:8400/push failed: 400: {"code":400,"description":"push
notification
response","data":{"body":{"_content":{"error":{"code":400,"message":"Invalid
JSON payload received. Unknown name \"to\": Cannot find field.\nInvalid
JSON payload received. Unknown name \"time_to_live\": Cannot find
field.\nInvalid JSON payload received. Unknown name \"priority\": Cannot
find field.\nInvalid JSON payload received. Unknown name \"data\": Cannot
find field.","status":"INVALID_ARGUMENT","details":[{"@type":"
type.googleapis.com/google.rpc.BadRequest","fieldViolations":[{"description":"Invalid
JSON payload received. Unknown name \"to\": Cannot find
field."},{"description":"Invalid JSON payload received. Unknown name
\"time_to_live\": Cannot find field."},{"description":"Invalid JSON payload
received. Unknown name \"priority\": Cannot find
field."},{"description":"Invalid JSON payload received. Unknown name
\"data\": Cannot find
field."}]}]}},"_content_consumed":true,"status_code":400,"url":"
https://fcm.googleapis.com/v1/projects/voiceland-dev/messages:send","encoding":"UTF-8","reason":"Bad
Request"},"code":400,"reason":"Bad Request","url":"
https://fcm.googleapis.com/v1/projects/voiceland-dev/messages:send
","call_id":"B2B.281.4947472.1673264089","token":"cZdVSMtZRZ-qhGDAkX3vCj:token"}}
========================================================================
thank you very much in advance for your support.

Kind Regards

-- 
Vasilios Tzanoudakis
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