Avaya 1600 and 9600 series phones (IP 1608, 1616, 9608 through 9670) take headsets through two paths: corded, plugging into a bottom cable or amplifier, or wireless, connecting through the phone's headset port with a base unit reaching up to 300-325 feet via DECT 6.0 — a dedicated frequency that won't interfere with Bluetooth or Wi-Fi. If you don't move far from your desk, corded is simpler and cheaper; if you need to answer calls away from the desk, wireless is the way to go. Here are the current certified picks for both.
Key takeaways
- Corded headsets plug into a bottom cable or amplifier; wireless headsets connect through the phone's headset port with a base unit.
- DECT 6.0 wireless range on Avaya 1600/9600 phones is up to 300-325 feet, with no Bluetooth/Wi-Fi interference.
- Corded picks: Jabra Biz 1500 (budget), Biz 2300 (Kevlar-reinforced), Poly HW540/HW520 (multiple wearing styles, HAC option).
- Wireless picks: Poly CS540 (entry), Poly Savi 8445 (tri-connectivity + ANC), Jabra Engage 65 SE (longest range + density).
- The Savi 8220, Savi 8240, and original Jabra Engage 65/75 that older guides list are all discontinued — corrected below.
- Persistent low headset volume that doesn't respond to any adjustment can be an Avaya firmware issue, not a headset fault — see the troubleshooting note below.
Corded headsets for Avaya 1600/9600 phones
Jabra Biz 1500 Mono
Jabra Biz 1500 Duo
Jabra Biz 2300 Mono
Poly HW540
Poly HW520
Wireless headsets for Avaya 1600/9600 phones
Myth
The Savi 8220 or Savi 8240 is still the top wireless pick for Avaya phones.Reality
Both are discontinued. The Poly Savi 8445 is the current equivalent, offering the same tri-connectivity (desk phone, computer, Bluetooth mobile) with active noise cancellation and a convertible wearing style — the direct upgrade path from either older model. Similarly, the original Jabra Engage 65 and Engage 75 have been replaced by the Engage 65 SE, which improves range, battery, and headset density.Poly CS540 + EHS Avaya bundle
Poly Savi 8445 + EHS Avaya bundle
Jabra Engage 65 SE + EHS Avaya bundle
Low headset volume on an Avaya 9600 phone? Check the firmware, not the headset
If a corded Plantronics headset (including older HW251N/HW261N models) sounds unusually quiet on an Avaya 9608, 9611, 9621, or 9641 no matter how high the volume is turned up, the cause may not be the headset at all. Avaya confirmed a firmware-level issue on H.323 6.1 SP1 that caused exactly this symptom, resolved in the 6.2 update. If you're troubleshooting persistent low volume that doesn't respond to any headset or amplifier adjustment, it's worth checking your phone's current H.323 firmware version with your phone system administrator — this is a case where the fix lives on the phone side, not the headset.
What is the best wireless headset for Avaya 1600/9600 phones?
The Poly CS540 with the Avaya EHS bundle is the standard entry-level wireless pick. For tri-connectivity (desk phone, computer, and Bluetooth mobile) with active noise cancellation, the Poly Savi 8445 is the current top-tier option. For the longest range and highest headset density on busy floors, the Jabra Engage 65 SE offers up to 490 feet with DECT Security Step C encryption.
What replaced the Plantronics Savi 8220 and 8240 for Avaya phones?
Both are discontinued. The Poly Savi 8445 is the current equivalent, offering the same connectivity to a desk phone, computer, and mobile device, with active noise cancellation and a convertible wearing style.
What replaced the Jabra Engage 65 and Engage 75 for Avaya phones?
Both the original Jabra Engage 65 and Engage 75 are discontinued. The Jabra Engage 65 SE is the current replacement, offering up to 490 feet of range, DECT Security Step C encryption, and up to 3x the headset density in one location.
Is there a hearing-aid-compatible headset for Avaya phones?
Yes. The Poly HW520 is a corded, hearing aid compatible (HAC) headset with telecoil support, certified for Avaya desk phones. It's a strong option for anyone who wears hearing aids and needs a corded professional headset.
Why is my corded headset so quiet on an Avaya 9608, 9611, 9621, or 9641?
This can be caused by the phone's own H.323 firmware rather than the headset — Avaya confirmed and fixed an issue on version 6.1 SP1 in the 6.2 update. If volume stays low despite every headset and amplifier adjustment, ask your phone system administrator to check the phone's current firmware version.
Whether corded or wireless, the certified bundles above are pre-matched with the exact cable or EHS your Avaya phone needs. Browse the full current range on the Avaya wireless headsets collection, or call our headset experts at 877-999-3838 to confirm the right bundle for your exact model.























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