Responsive to detecting a call from a first user into a call system, a user identifier associated with the first user to can be added to respective user information stored in an e-meeting data structure associated with the call. A determination can be made as to whether the call system recognizes the user identifier associated with the first user and, responsive to determining the call system does not recognize the user identifier associated with the first user, a determination can be made as to whether the call system recognizes a voice of the first user. If the call system does not recognize the voice of the first user, a location of the first user can be identified by processing the user identifier. The location of the first user can be added to respective user information stored in the e-meeting data structure. An e-meeting can be generated for the call.