Exhibit A Joint Additional Use Terms

The following additional use terms (the “”) are between TELUS Communications Inc. and RingCentral Canada Inc., on the one hand, and each customer of the TELUS Business Connect software and the TELUS Business Connect Contact Centre software (a “”) and its end Users (each, an “”), on the other hand. Capitalized terms not defined herein have the meaning set forth in the TELUS Business Connect Service Terms and the TELUS Business Connect Contact Centre Terms, available at 

https://business.telus.com/en/business/support/global/legal/business-connect-service-terms

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1. The Customer shall not (a) resell the Services; (b) tamper with or change the Services or any TELUS equipment or facilities; (c) abuse the Services or use them in a manner that interferes with any TELUS equipment or facilities, TELUS’ network, or the use of TELUS services by any other person; (d) use the Services in a manner that avoids the payment of any charges, or abuse any flat rate or unlimited use service plan offered by TELUS; or (e) use the Services in violation of any applicable law and regulations.

2. Each Customer and its End Users are subject to the follow acceptable use policy (the “”), any breach of which shall be deemed a material breach of these Joint Additional Use Terms and may result in suspension or termination of the Customer’s TELUS Business Connect and /or TELUS Business Connect Contact Centre account.

2.1. . Customer and its End Users may not exploit or harm minors (e.g., expose them to inappropriate content or ask for personally identifiable information without parental consent).

2.2. . Customer and its End Users may not transmit any material that does or may infringe, misappropriate, or otherwise violate the intellectual property rights, rights of privacy, personality, or publicity, or any other rights of TELUS, its Third-Party Software providers, or any other third parties.

2.3. . Customer and its End Users may not undertake, direct, attempt, cause, permit, or authorize the modification, creation of derivative works, translation, reverse engineering, decompiling, disassembling, or hacking of TELUS Business Connect or TELUS Business Connect Contact Centre or any other software or hardware provided by TELUS or third parties and used in conjunction with TELUS Business Connect and /or TELUS Business Connect Contact Centre.

2.4. . Customer and its End Users may not transmit any communication that would violate any applicable law or use TELUS Business Connect and / or TELUS Business Connect Contact Centre to facilitate any illegal activity.

2.5. . Customers and its End Users may not use or employ methods or devices that are designed or likely to take advantage of, bypass, exploit, or otherwise avoid compliance with these Joint Additional Use Terms or applicable law.

2.6. . Customer and its End Users may not defeat, disable, or circumvent any security mechanism related to TELUS Business Connect and /or TELUS Business Connect Contact Centre.

2.7. . Customer and its End Users may not intercept, capture, sniff, monitor, modify, emulate, decrypt, or redirect any communication or data for any purpose, including, without limitation, by causing any TELUS Business Connect product or TELUS Business Connect Contact Centre or service to connect to any computer server or other device not authorized by TELUS or in any manner not authorized in advance in writing by TELUS.

2.8. . Customer and its End Users may not allow any third party (with the sole exception of TELUS’ authorized maintenance providers acting with TELUS’ express, prior authorization) to use or execute any software commands that facilitate the maintenance or repair of any software or hardware used in conjunction with TELUS Business Connect and / or TELUS Business Connect Contact Centre.

2.9. . Customer and its End Users may not engage in or allow traffic pumping or access stimulation of calls through TELUS Business Connect or TELUS Business Connect Contact Centre or any systems or networks thereof.