User's Manual  1334  Document #: LTRT-10632 
 
  Mediant 800B Gateway & E-SBC 
Interface 
Assembly 
DSP 
for PSTN
SBC Transcoding Sessions 
Conf. 
Participants
Max. SBC 
Sessions 
From Profile 2 with Additional Advanced DSP 
Capabilities 
To  
Profile 
1 
To 
Profile 
2 
Mediant 
800 
Mediant 
800B 
AMR-
NB / 
G.722
AMR-
WB 
SILK-
NB 
SILK-
WB 
Opus-
NB 
Opus-
WB 
V.150.1
FXS, FXO, 
and/or BRI, 
but not in 
use 
0  -  -  -  -  -  -  -  19  16  -  60  400 
 
 
Note: 
•  "Max. SBC Sessions" for Mediant 800B applies to scenarios without registered 
users. When registered users are used, "Max. SBC Sessions" is reduced 
according to the main capacity table (see Section 73). 
•  Profile 1: G.711 at 20ms only, with in-band signaling (in voice channel) and 
Silence Suppression (no fax detection or T.38 support). 
•  Profile 2: G.711, G.726, G.729, and G.723.1, T.38 with fax detection, in-band 
signaling (in voice channel), and Silence Compression. 
•  All hardware assemblies also support the following DSP channel capabilities: echo 
cancellation (EC), CID (caller ID), RTCP-XR reporting, and SRTP. 
•  SBC enhancements (e.g. Acoustic Echo Suppressor, Noise Reduction) are also 
available for these configurations. For more information, please contact your 
AudioCodes sales representative. 
•  Automatic Gain Control (AGC) and Answer Detector / Answer Machine Detector 
(AD/AMD) are also available for these configurations. For more information, 
please contact your AudioCodes sales representative. 
•  V.150.1 is supported only for the US Department of Defense (DoD). 
•  Transcoding Sessions represents part of the total SBC sessions. 
•  Conference Participants represents the number of concurrent analog ports in a 
three-way conference call. 
•  For availability of the telephony assemblies listed in the table, please contact your 
AudioCodes sales representative.