£135.00 End Date: 29-May 17:25 Buy It Now for only: US £135.00 Buy it now | Add to watch list – See this listing and more in our eBay store. Mitel 3300 – 128 Channel Echo Canceler Card 50001247 I 12 MONTHS WARRANTYShare this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook