AudioCodes Mediant 4000 SBC User Manual page 588

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Configuration of the Access SBC for both methods:

Coder Groups:
•
Coders Group with G.711 and Opus
•
Coders Group with Opus

Allowed Audio Coders Group with Opus

IP Profile:
•
Extension Coders Group: Coders Group with G.711 and Opus
•
Voice Quality Enhancement: Enable
•
RTP Redundancy Mode: Enable
•
RTCP Feedback: Feedback On
•
Max Opus Bandwidth: 0

Alternative IP Profile:
•
Extension Coders Group: Coders Group with Opus
•
Allowed Audio Coders: Allowed Audio Coders Group with Opus
•
Allowed Coders Mode: Restriction
•
Voice Quality Enhancement: Enable
•
RTP Redundancy Mode: Enable
•
RTCP Feedback: Feedback On
•
Max Opus Bandwidth: 0

Quality of Service Rules (see Configuring Quality of Service Rules on page 320):
•
Rule Metric: Poor InVoice Quality
•
Alternative IP Profile Name: name of Alternative IP Profile (above)
Note:
•
VoIPerfect is applicable only to G.711 calls.
•
If you are deploying a third-party device between the Enterprise SBC and Access
SBC, make sure that the third-party device adheres to the following:
√
Enable RFC 2198 in SDP negotiation
√
Enable TMMBR in SDP negotiation
√
Forward the SDP with feedback (SAVPF) as is
√
Forward TMMBR messages as is
√
Forward RTCP messages as is (not terminate them)
√
(Smart Transcoding only) Forward re-INVITE messages for using Opus as is
√
(Smart Transcoding only) Forward the SIP header, X-Ac-Action as is
User's Manual
Alternative IP Profile Name: name of Alternative IP Profile (above)
588
Mediant 4000 SBC
Document #: LTRT-40203