Join a Lifesize meeting or make a call to a Lifesize user/Meeting(VMR) from Skype for Business or Microsoft Lync:
Skype for business to Lifesize:
1.Add meeting or user extension to the Skype for Business contact list.
How to add?
For example, if 222222 is the extension.
Type firstname.lastname@example.org in the search bar.
Right click on the dial string that appears down the search bar when you type to add to the contacts.
click on add to contact list and select if you want to add it to group or other contacts.
2.Right Click on the contact you just added and select start a video call.
Lifesize to Skype for business:
1.From the Lifesize app, go to Contacts and Create a contact.
2.Enter the name and calling details of the Skype or Lync user.