Ninety (90) days of SUM is included with the purchase of a new license.

Priority technical support is available to current SUM subscribers via the following channels:

• Priority support via customer support portal. Log in to the customer support portal to submit your priority support request.
• Phone support. To contact CSI by phone, call 1-510-649-2200 and press 2 between 6 am and 5 pm Pacific Time zone. Please be aware that our support engineers can get busy and you may get rolled over to voice mail during working hours. Support personnel are often working after 5 pm so you can try to contact us via the customer support portal after hours.

If you are unsure whether your company subscribes to SUM or you would like information on purchasing SUM, contact us via online form to check your SUM status or to request SUM information or call +1(510)-649-2201.

Users with an expired SUM subscription may obtain support via the following channels:

• Non-priority support via customer support portal. Log in to the customer support portal to submit your support request. Response time will vary depending on how busy our support engineers are. SUM subscribers receive support ahead of non-SUM subscribers.
• Self-support via various online resources, such as Watch & Learn Videos, Technical Papers and CSI Knowledge Base.

If you would like information on purchasing SUM, request information about purchasing SUM via online form or call 1-510-649-2200 and press 1.

If you purchased your software through one of our international dealers, please contact them with your technical questions. You may also purchase CSI’s yearly SUM subscription through your dealer. With current SUM, your dealer will provide your company with technical support, and free software update/upgrades.

To find a dealer near you, please visit the CSI International Dealers list.

Students should request technical support from their professors, who can contact CSI if necessary.