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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
OL-3410-01
Chapter5 Parameters and Defa ults
Operating Parameters
RxCodec
Description
Use this parameter to specify receiving-audio codec preference. The following values are valid:
•0—G.723 (can be selected only if LBRCodec is set to 0)
•1—G.711A-law
•2—G.711µ-law
•3—G.729a (can be selected only if LBRCodec is set to 3)
Value Type
Integer
Range
0-3
Default
2
Voice Configuration Menu Access Code
36
Table5-1 AudioMode Parameter Bit Definitions
Bit Number Definition
0 0/1—Disable/enable G.711 silence suppression.
1 0—Enable selected low-bit-rate codec in addition to G.711. This setting is the default.
1—Enable G.711 only.
2 0/1—Disable/enable fax CED tone detection.
3 0/1—Enable/disable fax CNG tone detection.
4-5: DtmfMethod 0—Always in-band (send and receive, do not send SDP info)
1—By negotiation (send SDP info, enable receive, decode others’ SDP information, send
depends on others’ SDP information)
2—Always out-of-band (send SDP info, enable receive, decode others’ SDP information, always
send).
3—Reserved.
6-15 Reserved.