Specifications
Capacities
Max. Signaling 60 Max. RTP/SRTP Sessions 60
Max. Registered Users 200
Telephony Interfaces
Digital 1-4 BRI ports, network S/T interfaces, NT or TE termination
Analog Up to 4 FXS and 4 FXO ports
Network 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 (Intrusion Detection System)
VoIP Firewall RTP pinhole management, rogue RTP detection and prevention, SIP message policy, advanced RTP latching
Encryption/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
Interoperability
SIP B2BUA Full SIP transparency, mature and broadly deployed SIP stack, stateful proxy mode
SIP Interworking 3xx redirect, REFER, PRACK, session timer, early media, call hold, delayed offer and more
Registration and Authentication SIP Registrar, registration on behalf of users/servers, SIP Digest access authentication
Transport Mediation Mediation between SIP over UDP/TCP/TLS, IPv4/IPv6, RTP/SRTP (SDES)
Header Manipulation Add/modify/delete SIP headers and message body using simple WireShark-like language with powerful capabilities such as variables and utility functions
Number Manipulations Ingress and egress digit manipulation
SIP Interworking 3xx redirect, REFER, PRACK, session timer, early media, call hold, delayed offer
Signal Conversion DTMF/RFC 2833/SIP, T.38 fax, T.38 V3, packet-time conversion
NAT Local and far-end NAT traversal for support of remote workers
AudioCodes Session Border Controllers DATASHEET
Mediant™ 500L
Voice Quality and SLA
Call Admission Control Limit number and rate of concurrent sessions and registers per peer for inbound and outbound directions
Packet Marking 802.1p/Q VLAN tagging, DiffServ, TOS
Standalone Survivability Maintains local calls in the event of WAN failure
Voice