If you can login to your account from a different machine or device, then that means something on your specific machine is blocking the login. If you are using Windows, you may need to reset your Windows Firewall to default, close the Jabber Video software and open it, then try logging in. If that still does not help, then it's possible something else is conflicting with the service altogether like your company VPN or firewall. The ports needed for login are 80 and 443. If those are being blocked for this specific service then you won't be able to login.
Cisco Jabber for iPad enables you to make and receive video calls to and
from business contacts or join telepresence meetings from your iPad. You
can enjoy video calling with standards-based video devices and bridges
including deployments of Cisco TelePre...
The first time you open Cisco Jabber Video for TelePresence, you can
test your computer’s microphone, speakers, and camera to ensure the best
video calling experience.Do any of the following: To test the
microphone: Select the microphone you want to test....
You can get Cisco Jabber Video for TelePresence in one of two ways:If an
existing Cisco TelePresence customer sends you an email invitation to
get Jabber Video, click the link in the email to download the
application.Go to http://ciscojabbervideo.com and ...