Oces Worldwide
The services described in this publication are subject to availability and may be  
modied from time to time. Services and equipment are provided subject to  
British Telecommunications plc’s respective standard conditions of contract.  
Nothing in this publication forms any part of any contract.  
© British Telecommunications plc 2018. Registered oce: 81 Newgate Street,  
London EC1A 7AJ. Registered in England No. 1800000. 
 
RingCentral logo is a registered trademark of RingCentral, Inc. Polycom and  
VVX are trademarks of Polycom, Inc.
April 2018