What are the main differences between Aastra SIP phones 6730i and 6750i series ?
Aastra corporate web site mentions :
“The Aastra 6730i Series offers exceptional features and flexibility in an open-standard enterprise grade IP telephone” for one
“The Aastra 6750i Series offers features and flexibility in an open-standards based, carrier grade IP telephone.” for the other
So in other words, what is the difference between enterprise grade and carrier grade IP telephone in Aastra’s dialect ?