Controlling online meeting attendance

1. A method comprising:

generating meeting information for a meeting, the meeting information comprising a meeting identifier;

obtaining a set of guest identifiers corresponding to a plurality of meeting guests, each guest identifier being unique within the set of guest identifiers and corresponding to a different meeting guest;

initiating the meeting by a video conferencing system using the meeting identifier;

receiving, by the video conferencing system from a first client device, a first request to join the meeting, the first request comprising the meeting identifier;

receiving a first user identifier corresponding to a first user, the first user identifier not being in the set of guest identifiers;

determining that the first user is a first meeting guest of the plurality of meeting guests based on the first user identifier and a correspondence to a guest identifier of the set of guest identifiers; and

responsive to determining that the first user is the first meeting guest, connecting the first client device to the meeting.

2. The method of claim 1 , wherein determining that the first user is the first meeting guest comprises:

accessing a first user identity corresponding to the first user based on the first user identifier, the first user identity comprising first user identity information; and

determining a relationship between the first user identity and a guest identifier of the set of guest identifiers based on the first user identity information.

3. The method of claim 1 , further comprising:

receiving, by the video conferencing system from a second client device, a second request to join the meeting by a second user, the second user, the second request comprising the meeting identifier;

receiving a second user identifier corresponding to the second user;

determining that the second user is not a meeting guest of the plurality of meeting guests based on the second user identifier; and

responsive to determining that the second user is not a meeting guest, denying access to the meeting to the second client device.

4. The method of claim 3 , wherein determining that the second user is not a meeting guest comprises:

accessing a second user identity corresponding to the second user based on the second user identifier, the second user identity comprising second user identity information; and

determining a lack of a relationship between the second user identity and the set of guest identifiers based on the second user identity information.

5. The method of claim 1 , wherein obtaining the set of guest identifiers corresponding to the plurality of meeting guests comprises generating the set of guest identifiers; and further comprising:

terminating the meeting by the video conferencing system; and

discarding the set of guest identifiers.

6. The method of claim 1 , wherein each guest identifier of the set of guest identifiers comprises an email address and the first user identifier comprises a user identity identifier.

7. The method of claim 1 , further comprising:

receiving, by the video conferencing system from a second client device, a second request to join the meeting by a second user, the second user, the second request comprising the meeting identifier;

receiving a second user identifier corresponding to the second user;

determining that the second user is not a meeting guest of the plurality of meeting guests based on the second user identifier; and

transmitting a message to a meeting host indicating an uninvited guest has requested access to the meeting.

8. The method of claim 7 , further comprising:

receiving an indication from the meeting host granting permission to admit the second user to the meeting; and

in response to receiving the indication, connecting the second client device to the meeting.

9. The method of claim 1 , further comprising:

identifying a first user profile based on the first user identifier;

determining a trust level associated with the first user identifier; and

wherein determining that the first user is a first meeting guest is further based on the trust level.

10. A method comprising:

obtaining meeting information associated with a meeting, the meeting information comprising a meeting identifier;

receiving, by a video conferencing system from a first client device, a first request to join the meeting, the first request comprising the meeting identifier;

receiving a first user identifier corresponding to a first user;

accessing a set of guest identifiers corresponding to a plurality of meeting guests invited to the meeting, each guest identifier being unique within the set of guest identifiers and corresponding to a different meeting guest;

determining that the first user is a first meeting guest of the plurality of meeting guests based on the first user identifier and a correspondence to a guest identifier of the set of guest identifier, wherein the first user identifier is not in the set of guest identifiers; and

responsive to determining that the first user is a meeting guest of the plurality of meeting guests, connecting the first client device to the meeting.

11. The method of claim 10 , wherein determining that the first user is the first meeting guest comprises:

accessing a first user identity corresponding to the first user based on the first user identifier, the first user identity comprising first user identity information; and

determining a relationship between the first user identity and a guest identifier of the set of guest identifiers based on the first user identity information.

12. The method of claim 10 , further comprising:

receiving, by the video conferencing system from a second client device, a second request to join the meeting by a second user, the second request comprising the meeting identifier;

receiving a second user identifier corresponding to the second user;

determining that the second user is not a meeting guest of the plurality of meeting guests based on the second user identifier; and

responsive to determining that the second user is not a meeting guest, denying access to the meeting to the second client device.

13. The method of claim 12 , wherein determining that the second user is not a meeting guest comprises:

accessing a second user identity corresponding to the second user based on the second user identifier, the second user identity comprising second user identity information; and

determining a lack of a relationship between the second user identity and the set of guest identifiers based on the second user identity information.

14. The method of claim 10 , further comprising:

receiving, by the video conferencing system, an indication that the meeting has ended; and

causing the set of guest identifiers to be discarded.

15. The method of claim 10 , wherein each guest identifier of the set of guest identifiers comprises an email address and the first user identifier comprises a user identity identifier.

16. The method of claim 10 , further comprising:

receiving, by the video conferencing system from a second client device, a second request to join the meeting by a second user, the second user, the second request comprising the meeting identifier;

receiving a second user identifier corresponding to the second user;

determining that the second user is not a meeting guest of the plurality of meeting guests based on the second user identifier; and

transmitting a message to a meeting host indicating an uninvited guest has requested access to the meeting.

17. The method of claim 16 , further comprising:

receiving an indication from the meeting host granting permission to admit the second user to the meeting; and

in response to receiving the indication, connecting the second client device to the meeting.

18. The method of claim 10 , further comprising:

identifying a first user profile based on the first user identifier;

determining a trust level associated with the first user identifier; and

wherein determining that the first user is a first meeting guest is further based on the trust level.

19. A system comprising:

a non-transitory computer-readable medium;

a communications interface; and

a processor communicatively coupled to the non-transitory computer-readable medium and the communications interface, the processor configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to:

obtain meeting information associated with a meeting, the meeting information comprising a meeting identifier;

receive, by a video conferencing system from a first client device using the communications interface, a first request to join the meeting, the first request comprising the meeting identifier;

receive, via the communications interface, a first user identifier corresponding to a first user;

access a set of guest identifiers corresponding to a plurality of meeting guests invited to the meeting, each guest identifier being unique within the set of guest identifiers and corresponding to a different meeting guest;

determine that the first user is a first meeting guest of the plurality of meeting guests based on the first user identifier and a correspondence to a guest identifier of the set of guest identifier, wherein the first user identifier is not in the set of guest identifiers; and

responsive to a determination that the first user is a meeting guest of the plurality of meeting guests, connect the first client device to the meeting.

20. The system of claim 19 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to:

identify a first user profile based on the first user identifier;

determine a trust level associated with the first user identifier; and

determine that the first user is a first meeting guest of the plurality of meeting guests further based on the trust level.