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WebEx Web Conferencing URL API Tips & Tricks

URL API will require HTTPS for all commands in WBS 26

In the WebEx Web Conferencing Services WBS 26 and later releases, all WebEx Web Conferencing URL API requests are required to use the encrypted HTTP Secure Sockets Layer.

WebEx Web Conferencing has long recommended that URL API integrations use encrypted "https://" for security reasons and WBS 26 will enforce this. If URL API commands are sent using standard HTTP, these commands can be "sniffed" as they travel over the Internet from customer servers to WebEx Web Conferencing. All URL API calls should be preceded by "https://" instead of "http://".

For example, the unencrypted command: http://acme.webex.com/acme/m.php?AT=JM&MK=12345678 should be changed to: https://acme.webex.com/acme/m.php?AT=JM&MK=12345678

Please contact your WebEx Web Conferencing Customer Service Manager for your site information or specific dates on when your sites or your customer's WebEx Web Conferencing sites will be upgraded to WBS 26 or later.

Unexpected things that happen when using the WebEx Web Conferencing URL API

Meetings not showing up under My Meetings?
Though they will be listed for the host to see in their My Meetings area, meetings created via the WebEx Web Conferencing API are not listed in the Meeting Calendar by default. However, the LF=1 parameter can be added in the AT=SM or AT=IM command to set the list flag to "on" to list the meeting in the Meeting Calendar as well as the Today's Meetings page.

Using the java client by default
Meetings scheduled via the WebEx Web Conferencing API and joined via the WebEx Web Conferencing Interface are joined using the Java client by default. This can be controlled programmatically by supplying the appropriate MF parameter with the AT=SM or AT=IM command. Contact API Support Services to determine the correct MF value for your site.

Attendee list
Meetings started via the WebEx Web Conferencing API are not displaying the attendee list to those joining the meeting by default. This can be controlled programmatically by supplying the appropriate MF parameter with the AT=SM or AT=IM command. Contact API Support Services to determine the correct MF value for your site.

Profile access
The WebEx Web Conferencing API does allow for modification of profile information such as e-mail address, phone number, department, company name, etc., using the AT=MO. The caveat for this command is that the login command must be issued first so that the system know the changes are authorized. If the only change desired is to change the password, this can be quickly done by including the new password information in the NPW parameter with the AT=LI command along with the existing password in the PW parameter.

Notification E-mails
Notification e-mails area not sent when a meeting is scheduled via the WebEx Web Conferencing URL API (AT=SM). Invitations are sent when attendees are added to a meeting (AT=AA). An invitation can also be sent from within a meeting room once the meeting has started.

Common Entry Point (CEP) Tips

Updating a meeting or adding meeting features e.php?AT=MO Listing Today's Meetings and Meetings in Progress e.php?AT=TM


Most Common Error Messages

Unique Identifiers
WebEx Web Conferencing uses a combination of the host login (WID) and the e-mail address (EM) as unique identifiers to ensure no duplication of host accounts. The reduces the potential for issues with billing and usage tracking. See more in WebExIDConflict.

WebExIDConflict
This error occurs when the WebEx Web Conferencing API is used to create a host account using information that is already in the WebEx Web Conferencing database. This error occurs when:

  • The WID is already in use but the e-mail address associated with it is not.
  • The e-mail address is already in use but the WID associated with it is not.
  • Both the e-mail address and the WID are already in use

Access Denied
WebEx Web Conferencing uses a session cookie to keep track of the authenticated host. This session cookie is attached to the browser it originates from. Typically the host will receive this error for one of two reasons: The host has been inactive for over 20 minutes The host logged in with one instance of the browser and is trying to access features using a different instance.

BadWebExID or Password
This error means that the WID and PW combination sent do not match what is in the WebEx Web Conferencing database.