List of available coding algorithms in Phoenix STRATOS depending on the selected
communication interface. Check availability for other algorithms.
CODEC
RATE
(Kbps)
Fs
(KHz)
Mode IP (RTP) IP (SIP) ISDN V35
12 48 VOICE RB YES YES - -
20 48 VOICE YES YES - -
32 48 MUSIC MONO RB YES YES - -
64 48 MUSIC MONO YES YES - -
64 48
MUSIC STEREO
RB
YES YES - -
128 48 MUSIC STEREO YES YES - -
OPUS
192 48
MUSIC STEREO
HQ
YES YES - -
G.711 A-law
64 8 MONO YES YES YES -
G.711 µ-law
64 8 MONO YES YES YES -
G.722
64 16 MONO YES YES YES YES
64 16 MONO YES YES - -
128 16 STEREO YES YES - -
128 32 MONO YES YES YES YES
192 48 MONO YES YES - -
256 32 STEREO YES YES - YES
AEQ-LD+
384 48 STEREO YES YES - -
64 32 / 48 MONO YES YES YES YES
128 32 / 48 M / ST /JST YES YES YES YES
192 32 / 48 M / ST / JST / D YES YES - -
256 32 / 48 ST YES YES - YES
MPEG-1
Layer II
384 48 STEREO YES YES - -
64 16 / 24 MONO YES YES YES YES MPEG-2
Layer II
128 24 MONO YES YES - -
32
24 / 32
/ 48
MONO YES YES - -
64
24 / 32
/48
M / ST / MST YES YES YES YES
96
24 / 32
/ 48
M / ST / MST YES YES - -
128
24 / 32
/ 48
M / ST YES YES YES YES
192
24 / 32
/ 48
M / ST YES YES - -
AAC-LC
256 48 M / ST YES YES - YES
32 48 MONO YES YES - -
64 48 M / ST / MST YES YES YES YES
96 48 M / ST / MST YES YES - -
128 48 M / ST YES YES YES YES
192 48 M / ST YES YES - -
AAC-LD
256 48 M / ST YES YES - YES
<768 32 M / ST YES YES - -
<1152 48 M / ST YES YES - -
<1024 32 M / ST YES YES - -
<1536 48 M / ST YES YES - -
<1280 32 M / ST YES YES - -
<2M 48 M / ST YES YES - -
<1536 32 M / ST YES YES - -
PCM
<2.4M 48 M / ST YES YES - -
IMPORTANT NOTE: AAC-LC and AAC-LD modes are optional, they are not available in the basic
firmware version the unit is supplied with. For further information, please consult the AEQ Sales
Department or authorized distributors. Operation with two AAC simultaneously not supported.
Other different encoding modes can be taken into account according to specific needs of each client.
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