Operation & User's Manual for SpectraLink 7420 Cordless Telephone, Headphone (16 pages). 7420 File Specifications: Manufacturer: SpectraLink; Category of Device Spectralink 7420 and Spectralink 7440 User Guide. 14088700 Version 13. September, 2013. 3. Chapter 1: Getting Started. Handset Safety View online Operation & user's manual for SpectraLink 7520 Telephone Accessories or simply click Download button to examine the SpectraLink 7520 guidelines 7420. With the possibility of attaching a headset, it allows users to enjoy hands-free mobility. The Spectralink 7480 is the ultimate handset for. VOIP Business Phone User Guide Model 25630/25600 MGCP Please read this manual before operating the product for the first time. Interference Information This View and Download SpectraLink 7420 user manual online. 7420 handsets pdf manual download. Also for: 7440. We configure endpoints to integrate with your VoIP system — no work for you. Credit Card Icon. Payment Options. Flexible — use the payment method that works forSpectralink 7420 without battery, please order the charger seperatly (Item Number: 1375) (Battery may be installed, but we do not give a functional warranty