Plantronics Polaris (P-Series) Headsets – Compatibility Guide and Key Specifications
Plantronics Polaris headsets, commonly referred to as the P-Series, serve a very specific purpose in the professional audio market. Unlike standard amplified headsets, these models are designed exclusively for telephones that are already "headset ready." In this comprehensive compatibility guide, we break down exactly how Polaris headsets work, highlight the critical differences from the standard H-Series, and provide an extensive list of compatible phone systems to help you determine if this is the right solution for your setup.
What Makes Polaris (P-Series) Unique?
The Polaris line is specifically engineered for telephone systems that contain a built-in amplifier. These phones are typically marked with a headset symbol and feature a modular headset jack. Because the phone itself handles the amplification, an external Plantronics amplifier, such as the popular Plantronics M22, is not required and should not be used with these headsets.
All Plantronics P-Series Polaris headsets include the correct bottom cable to plug directly into your phone's headset port, ensuring a clean, amplifier-free connection right out of the box.
Key Differences from Standard H-Series Headsets
While the Polaris headsets may look visually similar to the standard Plantronics H-Series, they are wired differently to accommodate un-amplified phone systems. It is important to understand these distinctions before making a purchase:
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The headsets are wired specifically for un-amplified use and require no external power source from an amplifier.
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They come with a Quick Disconnect (QD) to modular plug cable, which is also wired differently than standard H-Series cables.
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Polaris headsets feature no inline volume controls. All volume adjustments must be made directly on the telephone itself.
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These headsets plug into the dedicated "Headset" port on the phone, rather than the traditional "Handset" port.
Important Usage Note
Because Polaris headsets lack built-in volume controls, users must rely on their telephone's native volume settings. While most phones offer a speaker (receive) volume control for incoming audio, many do not include a microphone (transmit) volume adjustment. This is an important consideration if you frequently need to adjust your speaking volume at the hardware level.
Furthermore, it is worth noting that Polaris headsets are only compatible with a select number of telephones on the market. They will not function properly on standard analog phones that lack a dedicated headset port.
Compatible Phone Systems (Sample List)
Below is a sample list of telephones known to be compatible with Plantronics Polaris headsets. Please note that newer models may have been released since this list was compiled.
Northern Telecom / Nortel
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Meridian SL1: M3903, M3904, M3905
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Meridian Norstar: M7310, M7208, M7308, M7316, T7316, M7324, M7900, NT8B20, NT8B30, NT8B40, NT8B50
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SL100: NTZK23AA, AB (M2216): ACDI
NEC
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Electra Elite Dterm Series E: DTU-8, DTU-8D, DTU-16, DTU-16D, DTU-32, DTU-32D, DTP-8, DTP-8D, DTP-16, DTP-16D, DTP-32, DTP-32D
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Dterm Series i
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Aspire
Mitel
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SuperSet 4000 Series: 4015, 4025, 4125, 4150
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IP Phone: 5020, 5020i, 5140, 5220
Aastra
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480e, 480i
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53i, 55i, 57i, 57iCT
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6753i, 6755i, 6757i
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9112i, 9133i, 9143i, 9480i (Note: Some Aastra phones may feature a "Packet8" label)
Siemens
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Optiset E (with CA or HA Option Module)
Other Compatible Manufacturers
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Polycom: See our dedicated Polycom IP direct connect solution page for specific models.
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GE: Model 2-9451
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3Com: Model 3102
Toshiba
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DKT 3001, 3010S, 3020S, 3020SD, 3014SDL
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Strata CIX
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DP5022-SD, DP5023-SD, DP5018-S, DP5000-series
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Important Note: If you are using DKT3000 series phones, Polaris headsets can only be used if you have the Toshiba BHEU Adapter (sold separately by Toshiba).
inter-Tel
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8520, 8560, 8600, 8620, 8660, 8662, 8690
Iwatsu
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IX 12KTD-3 and IX 24KTD-3
Uniden
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420 and 450
Packet8
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6753i, 6755i, 6757i
ESI
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48-Key IP Phone, 48-Key Digital Phone
Need Help Finding Your Model?
Because new phone models are continuously released, this list may not include every compatible device. If you do not see your specific telephone model listed above, please do not hesitate to contact our support team. Our knowledgeable agents are standing by to help you confirm whether your phone supports a Polaris compatible headset.
For a more detailed breakdown, we also recommend reviewing our Plantronics Direct Connect Compatibility Chart available on our website.























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