I've tested and deployed dozens of different models of SIP phones by a variety of manufacturers. This 6757i is one of the best. It just works, stands up well to wear, has tons of configurable features. The ergonomics are OK, I wish the push buttons were concave instead of convex, and wish the handset was a bit more comfortable. They are both manageable, but if they had these two changes, these phones would be the absolute best on the market. There are lots of others manufacturers that have these two features and look nice, but don't even come close to the reliability and longevity of these 6757i's! Software support is extremely important in SIP phones, and these phones have years of engineering that's gone into the software.
Verified purchase: Yes | Condition: New
If you need a VOIP phone with wide PBX acceptance and awesome features for your small business needs, thisis the brand.
Verified purchase: Yes | Condition: Pre-owned
All of the phone eventually worked, but not after spending hours with Aastra to get the phones wiped. These were never factory defaulted and they kept reverting back to their hard coded configurations. Never ever sell phones that aren't factoried.
Verified purchase: Yes | Condition: Pre-owned
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