Customers who purchased the Cisco 1548 can fill out the online upgrade form, below, to arrange for a replacement order. If you have any questions concerning the upgrade program, you can e-mail
Note: Fields marked with an asterisk (*) are required fields.
Please use the following format: email@example.com
*Upgrade Order Reference Number
Please provide a number that you can use when inquiring about order status
*Cisco 1548: Serial Numbers of Affected Units 2
1 For phone and fax, include 011 and the country code outside North America.
2 When entering more than one serial number in the serial number text entry field, be sure to type a comma between each serial number to separate them.