AirPrime WP8548 / WP75xx / WP76xx / WP77xx AT Command Reference
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!AVVOCODER
(Notification group)
Vocoder in use—Unsolicited notifications
Note: The unsolicited notification string for "Vocoder in use" varies as described in the Notifi-
cation format and example below. "!AVVOCODER" is a configuration option for +WUSLMSK,
which enables these notifications.
Unsolicited notification indicating the codec and speech encoder sampling rate being used for
a voice call.
To enable !AVVOCODER (and other notifications), use AT+WUSLMSK. See
page 127 for details.
Notification formats:
Speech Codec
Notification string
QCELP-13K
!QCELP13K,freq: <sampling_rate>
EVRC
!EVRC,freq: <sampling_rate>
EVRC-B
!EVRC_B,freq: <sampling_rate>
EVRC wideband
!EVRC_WB,freq: <sampling_rate>
EVRC narrowband-wideband
!EVRC_NW,freq: <sampling_rate>
AMR narrowband
!AMR_NB,freq: <sampling_rate>
AMR wideband
!AMR_WB,freq: <sampling_rate>
GSM enhanced full rate
!GSM_EFR,freq: <sampling_rate>
GSM full rate
!GSM_FR,freq: <sampling_rate>
GSM half rate
!GSM_HR,freq: <sampling_rate>
Examples:
•
Notifications received:
!AMR_NB,freq: 8000
(Codec used is AMR narrowband, with sampling rate=8000.)
!GSM_FR,freq: 8000
(Codec used is GSM full rate, with sampling rate=8000.)
Parameters:
<sampling_rate> (Speech encoder sampling rate instructed by the network, in Hz)
•
0—Unknown/ignore
•
8000—Narrow-band
•
16000—Wide-band
Table 3-2: Modem Status Command Details (Continued)
Command
Description
