Calendars doesn't show camera icon on imported ICS - icalendar

Question

I developed a platform for internal company meeting, using embedded Whereby features.
Why when I import ICS on my Mac calendar it doesn't show the camera icon and "Join meeting" such as Google Calendar ICS?
My meeting:
Google meeting:
Here are ICSs:
My meeting:
BEGIN:VCALENDAR
PRODID:-//Solving Team//Videoconference//IT
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:REQUEST
BEGIN:VEVENT
DTSTAMP:20220218T094928Z
UID:9a980336-eccd-4db6-ab0e-a3e1e2043cb3
SUMMARY:Test
DTSTART:20220218T100000Z
DTEND:20220218T110000Z
SEQUENCE:0
ORGANIZER;CN=Claudio Merli:mailto:c.merli#solvingteam.it
DESCRIPTION:Partecipa al meeting: https://videoconference.solvingteam.it/videocall/624033067
URL:https://videoconference.solvingteam.it/videocall/624033067
END:VEVENT
END:VCALENDAR
Google Meeting:
BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:REQUEST
BEGIN:VEVENT
DTSTART:20220218T100000Z
DTEND:20220218T110000Z
DTSTAMP:20220218T095527Z
ORGANIZER;CN=cladlomerli99#gmail.com:mailto:cladlomerli99#gmail.com
UID:36v1l2nufpnqiipkctd63387gl#google.com
ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=
TRUE;CN=c.merli#solvingteam.it;X-NUM-GUESTS=0:mailto:c.merli#solvingteam.it
ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;RSVP=TRUE
;CN=cladlomerli99#gmail.com;X-NUM-GUESTS=0:mailto:cladlomerli99#gmail.com
X-GOOGLE-CONFERENCE:https://meet.google.com/dqf-hkki-ght
X-MICROSOFT-CDO-OWNERAPPTID:-1947795978
CREATED:20220218T095526Z
DESCRIPTION:-::~:~::~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~
:~:~:~:~:~:~:~:~::~:~::-\nNon modificare questa sezione della descrizione.\
n\nQuesto evento include una videochiamata.\nPartecipa: https://meet.google
.com/dqf-hkki-ght\n\nVisualizza il tuo evento in https://calendar.google.co
m/calendar/event?action=VIEW&eid=MzZ2MWwybnVmcG5xaWlwa2N0ZDYzMzg3Z2wgYy5tZX
JsaUBzb2x2aW5ndGVhbS5pdA&tok=MjMjY2xhZGxvbWVybGk5OUBnbWFpbC5jb21hOGFjYjU5YW
RiMTI4NDM3ZWYyYmE0NzA3YjBiYWE4MTBmMWUyZjBh&ctz=Europe%2FAmsterdam&hl=it&es=
1.\n-::~:~::~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~:~
:~:~:~:~::~:~::-
LAST-MODIFIED:20220218T095526Z
LOCATION:
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Test Google
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR
Which property I should use?