Desk Phone Comparison Table

[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-07-15

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* 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)	N/A
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	N/A
Internet connection	1000/100/10 Mbps	10/100 Mbps	N/A
Authentication method	PIN on device NTLM or Kerberos, when the device is connected to a computer	NTLM or Kerberos	N/A
In-call indication	LED indicator, on-screen display	On-screen display	On-screen display

*New for Microsoft Communications Server 2010 and not yet released to the public.

When choosing between the Aastra 6725ip and Polycom CX600 you may want to compare the audio performance and the terms of the warranty, levels of support, and prices that the different manufacturers provide. After the phones release, contact the manufacturers to obtain these details and for purchasing information. Contact information is available at the Aastra and Polycom websites.