Unfortunately, Jabber Guest client cannot be activated on the Cisco Webex Telepresence cloud services. The only option we can offer is the Cisco Jabber Video for TP software. You can get the free version at www.ciscojabbervideo.com or you can pay for one by getting a subscription added to your account.
Local Cisco resellers/partners can be found using the following site:
This table lists the ports used for various activities on the Cisco
WebEx Telepresence network. Please make sure to configure your network
and firewall so that they do not prevent connectivity on the ports
listed in this table.
If the Cisco WebEx Telepresence service does not work as expected after
activation, you can perform a factory reset on your device, as described
in the appropriate section:Performing a factory reset deletes any
contacts you entered.Perform a factory reset...