AudioCodes Mediant 800B User Manual page 1184

Function
Traffic Separation
Intrusion Detection System
Interoperability
SIP B2BUA
SIP Interworking
Registration and
Authentication
Transport Mediation
Message Manipulation
URI and Number
Manipulations
Transcoding and Vocoders
NAT
Signal Conversion
WebRTC Controller
Voice Quality and SLA
Call Admission Control
Packet Marking
Standalone Survivability
Impairment Mitigation
Voice Enhancement
Direct Media (No Media
Anchoring)
Voice Quality Monitoring
High Availability
(Redundancy)
Quality of Experience
User's Manual
VLAN/physical interface separation for multiple media, control and
OAMP interfaces
Detection and prevention of VoIP attacks, theft of service and
unauthorized access
Full SIP transparency, mature & broadly deployed SIP stack
3xx redirect, REFER, PRACK, session timer, early media, call hold,
delayed offer
User registration restriction control, registration and authentication on
behalf of users, SIP authentication server for SBC users
SIP over UDP/TCP/TLS/WebSocket, IPv4 to IPv6, RTP to SRTP
(SDES/DTLS)
Ability to add/modify/delete SIP headers and message body using
advanced regular expressions (regex)
URI user and host name manipulations, ingress and egress digit
manipulation
Coder normalization including transcoding, coder enforcement and re-
prioritization, extensive vocoder support: G.711, G.723.1, G.726,
G.729, GSM-FR, AMR-NB/WB, SILK-NB/WB, Opus-NB/WB
Local and far-end NAT traversal for support of remote workers
DTMF/RFC 2833/SIP, T.38 fax, T.38 V3, V.34, packet-time
conversion, V.150.1
Interworking between WebRTC devices and SIP networks
Supports WebSocket, Opus, VP8 video coder, lite ICE, DTLS, RTP
multiplexing, secure RTCP with feedback
Based on bandwidth, session establishment rate, number of
connections/registrations
802.1p/Q VLAN tagging, DiffServ, TOS
Maintain local calls in the event of WAN failure, Outbound calls can
use PSTN fallback for external connectivity (including E911).
Packet Loss Concealment, Dynamic Programmable Jitter Buffer,
Silence Suppression/Comfort Noise Generation, RTP redundancy,
broken connection detection
Transrating, RTCP-XR, acoustic echo cancellation, replacing voice
profile due to impairment detection, fixed & dynamic voice gain control
Hair-pinning of local calls to avoid unnecessary media delays and
bandwidth consumption
RTCP-XR, AudioCodes Session Experience Manager (SEM)
SBC high availability with two-box redundancy, active calls preserved
Access control and media quality enhancements based on QoE and
bandwidth utilization
1184
Mediant 800B Gateway and E- SBC
Specification
Document #: LTRT-10296