| Polycom Phone Features | Polycom IP 321 | Polycom IP 335 | Polycom IP 5000 |
|---|---|---|---|
 |
|
 |
|
| HD – High Definition Voice | ✓ | ✓ | |
| Acoustic Clarity Technology for Conferencing | ✓ | ||
| LCD Display | 102x33 |
102x33 backlit |
248x68 backlit |
| Ethernet Pass Through (Dual Port) | ✓ | ||
| Integrated POE Support (IEEE 802.3af) | ✓ | ✓ | ✓ |
| External Power Option (Adapter included) | ✓ | ✓ | Optional |
| Price | $99.99 | $139.99 | $599.99 |
| Panasonic Phone Features | Panasonic TGP500B | Panasonic TPA50B |
|---|---|---|
 |
 |
|
| HD – High Definition Voice | ||
| LCD Display | 2.1 inch backlit | 2.1 inch backlit |
| Ethernet Pass Through (Dual Port) | ||
| Integrated POE Support | ||
| External Power Option | N/A | N/A |
| Cordless DECT technology | ✓ | ✓ |
| Price | $179.99 | $89.99 |
