Plantronics CS540-CIS Cisco Compatible wireless headset. The Plantronics CS540-CIS is compatible with all Cisco IP phones.  See sample list below.  If you don't see your phone, call us 650-306-9768.

Cisco IP Phone 6900, 7900, 8900, 9900 series: 6921, 6941, 6945, 6961, 7821, 7841, 7861, 7931G, 7940, 7940G, 7941, 7941G, 7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7962G, 7965G, 7970, 7970G, 7971G, 7975G, 7985G,

Cisco 8800, 8900, 9900 series: 8811, 8841, 8845, 8851, 8861, 8865, 8941, 8945, 8961, 9951, 9971.

Cisco 3900 series: 3910, 3911, 3915, 39xx.

Cisco 6900 series: 6901, 6911, 6921, 6941, 6945, 6961.

Cisco SPA series: 303, SPA501G, SPA502G, SPA504G, SPA508G, SPA509G, SPA512G, SPA514G, SPA525G, SPA525G2. SPA921, SPA922, SPA941, SPA942, SPA962.

Plantronics CS540-CIS is a convertible wireless headset.  The package comes with both "over-the-ear" and "over-the-head" attachments, so you can wear it either way.  When the headset is full charged, it's good for 7 hours of talk time, 3 days standby.  It has a range of up to 300ft away from the phone.

Note: If you need remote answering, we also offer the Plantronics CS540+EHS Remote Answer Bundle for Cisco Phones or Plantronics CS540+HL10 Wireless Headset Bundle Package package, depending on the model.

Key Features:

• Cisco IP phone tested and Certified
• Lightest wireless headset on the market - only 0.74 oz
• Convertible Headset, choice of 2 wearing styles (over the head, over the ear)
• Volume adjust/mute control from the headset
• Up to 7 hours of talk time
• Wireless range up to 300 feet from your desk phone
• DECT 6.0 (1.9Ghz) technology provides secure audio without interference with Wi-Fi networks
• Advanced wideband audio using CAT-iq technology for high definition voice quality Your choice of narrow or wideband professional grade audio quality
• Noise-canceling microphone filter out unwanted background noise
• SoundGuard technology ensures listening comfort and acoustic limiting for protection against audio spikes sound levels above 118dBA

Old Poly part # 84693-01

New HP part # 7W073AA#ABA

Optional Plantronics CS540-CIS Accessories:

Plantronics Savi, CS500 Series Universal AC/DC Wall Adapter

Plantronics CS540 Replacement Battery

Plantronics CS540 Replacement/Extra Headset

Plantronics CS540, W440, W740 Behind the Head Neckband

Plantronics CS540, W740, W745 W440 Earloop/Earbuds kit

Plantronics CS540, W440, W740 Replacement Headband

Plantronics In-Use Busy light

Plantronics CS540/W440/W740/W745 Leatherette Ear Cushions

Plantronics CS510, CS520, CS530, CS540 Telephone/Handset Adapter