Desk Phone Comparison Table
Topic Last Modified: 2012-08-28
This topic compares the new IP desk phones, the older IP desk phone, and the USB desk phone.
For a comparison of common area phones and conferencing devices, see Common Area Phone and Conferencing Device Comparison Table.
| Feature | Aastra 6725ip,* HP 4120,* and Polycom CX600* | Polycom CX700 | Polycom CX300 |
|---|---|---|---|
Connection type |
IP |
IP |
USB |
Display size |
3.5-inch QVGA |
5.75-inch color QVGA |
Two-line monochrome |
Screen resolution |
320x240 24-bit pixels |
320x240 18-bit pixels |
256x48 pixels |
Touch screen |
No |
Yes |
No |
Fingerprint reader |
No |
Yes |
No |
Navigation |
Two-way up-down navigation, with Select, Home, and Previous buttons Three soft keys under LCD |
Scroll wheel up-down navigation Menu bar (touch) Scroll bar (touch) |
Not available |
Help |
Available from a menu option |
Available from a Help button |
Not available |
Text input |
Numbers only, on a 3x4 numeric keypad Dial pad for search (T9) |
Full on-screen keyboard Dial pad for search (T9) |
Numbers only, on a 4x3 numeric keypad |
Audio processing |
Digital signal processing (DSP) on chip |
No DSP on chip |
Not available |
Internet connection |
1000/100/10 Mbps |
10/100 Mbps |
Not available |
Authentication method |
PIN on device NTLM or Kerberos, when the device is connected to a computer |
NTLM or Kerberos |
Not available |
In-call indication |
LED indicator, on-screen display |
On-screen display |
On-screen display |
*Introduced with Microsoft Lync Server 2010
Note
All of the phones provide on-device Help.
When choosing between the Aastra 6725ip desk phone, HP 4120 IP Phone (desk phone), and Polycom CX600 IP desk phone you might want to compare the audio performance and the terms of the warranty, levels of support, and prices that the different manufacturers provide. Contact the manufacturers to obtain these details and for purchasing information. For contact information, see the Aastra website at http://www.aastra.com, the HP website at https://www.hp.com/, and the Polycom website at http://www.polycom.com.