On 01/06/2011 01:04 AM, Tilghman Lesher wrote:
What Polycom licence to everyone is actually G.722.1 and G.722.1C. Been
there. Done that.
On Wednesday 05 January 2011 07:07:10 Steve Underwood wrote:
On 01/05/2011 03:29 PM, Bruce B wrote:
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)?
The G.722 codec in * is G.722. The Siren7 codec in * is probably not
Siren 7, but G.722.1. G.722.1 is very similar to Siren7, but uses a
different code in the SDP and has some minor differences in the codec.
The name G.722.1 may look similar to G.722, but the codecs bear no
relation to each other. The Siren14 codec in * is probably not Siren14,
but G.722.1C. G.722.1C is very similar to Siren14, but like
Siren7/G.722.1 the SDP code is different, and there are minor
differences in the codec.
The Siren7 and Siren14 codecs in Asterisk are licensed code from Polycom,
so they are indeed the Siren7 and Siren14 codecs. They will interoperate
with any other vendor who has licensed those codecs from Polycom.
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