Cisco 1000BaseTX Copper SFP for ASR and SPA - SFP-GE-T Office Products It also includes a warranty

It also includes a warranty

The phone alsointeroperates with Microsoft Live Communications Server (LCS) 2005 for telephonyand presence

It offers exceptional speaking clarity (thanks to a solid boom mic) and the ability to play music back in stereo—it's essentially a very good pair of headphones souped up for pro communication applications

• PC via USB-A or USB-C cable (depending on model)

Cisco 1000BaseTX Copper SFP for ASR and SPA - SFP-GE-T Office Products It also includes a warrantyRefurbished Genuine Cisco SFP GE T Gigabit Ethernet Module with Warranty These are used for Cisco ASR routers and SPA cards. Please confirm compatibility before purchase.