Polycom SIP 2.2.0 These codecs include, Codec Preferences codecPref Codec Profiles audioProfile

						Configuration Files
				Sample		Effective Audio
Algorithm	MIME Type	Label	Bit Rate	Rate	Frame Size	Bandwidth
G.722	G722/8000	G722	64 Kbps	16 Ksps	10ms - 80ms	7 KHz
G.722.1	G722/16000	G7221	16 Kbps,	16 Ksps	20ms - 80ms	7 KHz
			24 Kbps,
			32 Kbps
G.729AB	G729	G729AB	8 Kbps	8 Ksps	10ms - 80ms	3.5 KHz

These codecs include:

•Codec Preferences <codecPref/>

•Codec Profiles <audioProfile/>

Codec Preferences <codecPref/>

Attribute	Permitted	Default	Interpretation
	Values
voice.codecPref.G711Mu	Null, 1-3	1	Specifies the codec preferences for
			SoundPoint IP 320, 330, 430, 500, 501,
voice.codecPref.G711A		2
			600 and 601 platforms.
voice.codecPref.G729AB		3	1 = highest
			3 = lowest
			Null = do not use
			Give each codec a unique priority, this will
			dictate the order used in SDP negotiations.
voice.codecPref.IP_300.G711Mu	Null, 1-3	1	Specifies the codec preferences for
			SoundPoint IP 301 models. Interpretation
voice.codecPref.IP_300.G711A		2
			as above.
voice.codecPref.IP_300.G729AB		3
voice.codecPref.IP_650.G711Mu	Null, 1-4	2	Specifies the codec preferences for the
			SoundPoint IP 550 and 650 platform.
voice.codecPref.IP_650.G711A		3
			Interpretation as above.
voice.codecPref.IP_650.G729AB		4
voice.codecPref.IP_650.G722		1
voice.codecPref.IP_4000.G711Mu	Null, 1-3	1	Specifies the codec preferences for the
			SoundStation IP 4000 platform.
voice.codecPref.IP_4000.G711A		2
			Interpretation as above.
voice.codecPref.IP_4000.G729AB		Null	Not supported by default so that G.711Mu
			and G.711A local conferences can be
			supported.

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