From my experience: Polycoms are the best, most expensive and somewhat larger learnning curve; i.e., it will take you more time to setup the first phone, but once you've done this, the others will be easy and your users will love these phones.
The second option is Yealink; much cheaper, but good quality. Most of our new phones are Yealnks, and out users are happy with them.

                 Regards, __Yehavi:

2015-06-18 14:44 GMT+03:00 Shisheer Teli <telishisheer@gmail.com>:
Suggest some SIP hard phones (Support freeswitch).


need to buy for my organisation

--
Regards,
Shisheer Teli

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