[asterisk-users] Are the Siren7 and Siren14 the G.722 HD voice codecs?

[Bruce B]

Hi Everyone,

1- Are the Siren7 and Siren14 the G.722 HD voice codecs?
2- Are these codecs only for Polycom units or are they universal across all
other SIP phones that advertise the HD voice codec like Aastra?
3- What is the main difference between the two and is it advisable to run
these over the INTERnet (not INTRAnet)?

Thanks
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