Version 7.2 1257 Mediant 500L Gateway & E-SBC
User's Manual 71. Technical Specifications
71 Technical Specifications
The device's technical specifications are listed in the table below.
Note:
• All specifications in this document are subject to change without prior notice.
• The compliance and regulatory information can be downloaded from AudioCodes
Web site at http://www.audiocodes.com/library.
Table 71-1: Technical Specifications
Function Specification
Telephony Interfaces
Digital 1-4 BRI ports, network S/T interfaces, NT or TE termination
Analog Up to 4 FXS and up to 4 FXO ports
Clock Source 5 ppm High Precision
Networking Interfaces
Ethernet
4 GE interfaces configured in 1+1 redundancy or as individual ports
Security
Access Control
DoS/DDoS line rate protection, bandwidth throttling, dynamic
blacklisting
VoIP Firewall
RTP pinhole management, rogue RTP detection and prevention, SIP
message policy, advanced RTP latching
Encryption and
Authentication
TLS, SRTP, HTTPS, SSH, client/server SIP Digest authentication,
RADIUS Digest
Privacy
Topology hiding, user privacy
Traffic Separation
VLAN/physical interface separation for multiple media, control and
OAMP interfaces
Intrusion Detection System
Detection and prevention of VoIP attacks, theft of service and
unauthorized access
Interoperability
SIP B2BUA
Full SIP transparency, mature & broadly deployed SIP stack, stateful
proxy mode
SIP Interworking
3xx redirect, REFER, PRACK, session timer, early media, call hold,
delayed offer
Registration and
Authentication
User registration restriction control, registration and authentication on
behalf of users, SIP authentication server for SBC users
Transport Mediation
SIP over UDP/TCP/TLS, IPv4-IPv6, RTP-SRTP (SDES)
Message Manipulation
Ability to add/modify/delete SIP headers and message body using
advanced regular expressions (regex)
URI and Number
Manipulations
URI user and host name manipulations, ingress and egress digit
manipulation
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