When you're shopping for business phones headsets, you'll often face a choice between two very different kinds of products: a complete desk phone that handles calls and a simple accessory that reconnects the headset you already own. The Poly Edge E450 IP Business Phone and the ABS Headsets Connection Cable represent exactly that fork. One is a full IP phone with displays and line keys; the other is a simple cable. Your decision depends on what your desk is missing.
Quick Verdict
If your calling setup is incomplete because you have no desk phone, the Poly Edge E450 is the clear pick. If your phone works fine and your headset just won't connect, the ABS cable is the smarter buy-it costs far less and fixes the specific gap.
Comparison Table
| Product | Listed Price | Condition | Key Details | Price Bar |
|---|---|---|---|---|
| Poly Edge E450 IP Business Phone | $129.99 | Used | Full IP desk phone with Bluetooth 5.0, dual-band Wi-Fi, PoE, and up to 44 programmable line keys | |
| ABS Headsets Connection Cable | $4.45 | New | RJ9/RJ11 replacement cable with quick disconnect, 1.1m length |
Where Each Product Wins
Where the Poly Edge E450 wins: when you need a dedicated workstation phone and you're starting from scratch-no existing desk phone, no built-in calling features.
Where the ABS Headsets Connection Cable wins: when your existing phone is working and the only broken link is the headset cord-especially if you want a fresh new cable rather than a used phone.
Product Notes
Poly Edge E450 IP Business Phone
The Poly Edge E450 is a complete IP business phone designed for professionals who handle multiple calls and contacts every day. It combines a 3.5-inch primary display with a 2.4-inch secondary screen, and the 14 line keys page up to 44 programmable functions. On the connectivity side, Bluetooth 5.0, dual-band Wi-Fi, and dual Gigabit Ethernet with PoE mean you can place it almost anywhere and pair it with a wireless headset. The phone also lists Poly HD Voice and Acoustic Clarity for calls. The biggest thing to weigh is that this is a used unit, so physical wear is possible. The California Prop 65 warning is also present, and the total price is meaningful when you only need a cable.
ABS Headsets Connection Cable
The ABS Headsets Connection Cable is a practical spare part for a phone setup that already works. It is a new 1.1-meter cable with an RJ9/RJ11 quick-disconnect connection, and it's a replacement for the U10P adapter 27190 01. For customer-service desks or home offices, this cable restores the link between your phone and headset when the original cord wears out. The trade-off: this accessory brings no calling features, no screens, no line keys, and no wireless capability. It simply does one job. The color and model are shown as "See description," so visual expectations may vary, and you're buying a single cable rather than a full phone system.
Final Choice by Use Case
Choose the Poly Edge E450 if you're building a new workstation and need a full-featured desk phone for professional call handling. Choose the ABS Headsets Connection Cable if your existing phone and headset are otherwise fine and you just need to reconnect them. The phone costs more, but it solves a much larger problem; the cable costs little, and it solves one specific problem.
