AudioCodes Session Border Controllers
Hybrid SBC and Media Gateway

DATASHEETMediant™ 500

The AudioCodes Mediant 500 enterprise session bordercontroller (E-SBC) and media gateway is a compact, highperformance VoIP connectivity solution for small enterprises andbranch office locations.
Scaling up to 250 concurrent sessions, the Mediant 500 connects
IP-PBXs to any SIP trunking service provider and offers superior
performance in connecting any SIP to SIP environment.
The Mediant 500 also supports up to 30 voice channels in a 1U platform to enable versatile connectivity between TDM
and VoIP networks, such as connecting legacy TDM PBX systems to IP networks and IP-PBXs to the PSTN.

250 SBC Sessions | 30 TDM Sessions | 1+1 High Availability | Certified SBC for Teams Direct Routing
supporting media optimization
Comprehensive interoperability
Proven interoperability with SIP trunks, SIP platforms and IP cloud services

Hybrid functionality
True hybrid SBC and gateway platform for gradual migration and reduced space and power footprints

Enhanced security
Robust perimeter defense against cyber, DoS and DDoS attacks, as well as eavesdropping, fraud andservice theft

Superior voice quality
Advanced capabilities for optimizing and monitoring voice service quality

High resiliency
High availability using 1+1 redundancy, local branch survivability and Ethernet redundancyAudioCodes Session Border Controllers

DATASHEETMediant™ 500

Specifications
Capacities

Max. Signaling

250

Max. Registered Users

1,500

200

Max. RTP/SRTP Sessions

Telephony Interfaces
DigitalSingle E1/T1 interface

Digital PSTN Protocols

Various ISDN PRI protocols such as EuroISDN, North American NI-2, Lucent™ 4/5ESS, Nortel™ DMS- 100 and others. Different CAS protocols, including MFC R2,E&M immediate start, E&M delay dial/start and others.

Network Interfaces
Ethernet

Security

4 GE interfaces configured in 1+1 redundancy or as individual ports

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

Automatic 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

Registration and Authentication

User registration restriction control, registration and authentication on behalf of users, SIP authentication server for SBC users

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, V.34, packet-time conversion

NATLocal and far-end NAT traversal for support of remote workers

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. Outbound calls can use PSTN fallback (including E911).

Voice Monitoring and Enhancement

Transrating, RTCP-XR, acoustic echo cancellation, replacing voice profile due to impairment detection, fixed and dynamic voice gain control, packet loss
concealment, dynamic programmable jitter buffer, silence suppression/comfort noise generation, RTP redundancy, broken connection detection

Direct Media

Hair-pinning (no media anchoring) of local calls to avoid unnecessary media delays and bandwidth consumption

High Availability

SBC high availability with two-box redundancy, active calls preserved

Test Agent

Ability to remotely verify connectivity, voice quality and SIP message flow between SIP UAs

Voice Quality and SLA

SIP Call Handling
Criteria

Incoming SIP trunk, DID ranges, host names, any SIP headers, codecs, QoE, bandwidth

Querying External Databases

Destinations based on customized queries of ENUM, LDAP, HTTP server (REST API)

Available Destinations

Configured SIP peers, registered users, IP address, request URI

Advanced Features

Alternative destinations, load balancing, LCR, call forking, E911 emergency call detection and prioritization

SBC Media Types

Audio\Video\Fax\Text\Message Session Relay Protocol (MSRP)\Binary Floor Control Protocol (BFCP)

SIPRECIETF standard SIP recording interface, supporting both audio and video SBC sessions

Management
OAM&P

Physical/Environmental

Browser-based GUI, CLI, SNMP, INI Configuration file, REST API,One Voice Operations Center (OVOC)

Dimensions

43.7 (1U) x 310 x 210 mm (HxWxD)

Weight4.4 lb (2.0kg)

Mounting

Desktop or 19” rack mountPower

100-240V, 50-60 Hz, 0.8A

Environmental

Operational: 0 to 40°C (41 to 104°F); Storage: -25 to 70°C (-13 to 185°F)
Relative Humidity: 10 to 90% non-condensing

International Headquarters

AudioCodes Inc.

1 Hayarden Street, Airport City
Lod 7019900, Israel
Tel: +972-3-976-4000
Fax: +972-3-976-4040

200 Cottontail Lane, Suite A101E,
Somerset, NJ 08873
Tel:+1-732-469-0880
Fax:+1-732-469-2298

Contact us: www.audiocodes.com/contact
Website: www.audiocodes.com©2021 AudioCodes Ltd. All rights reserved. AudioCodes, AC, HD VoIP, HD VoIP Sounds
Better, IPmedia, Mediant, MediaPack, What’s Inside Matters, OSN, SmartTAP, User
Management Pack, VMAS, VoIPerfect, VoIPerfectHD, Your Gateway To VoIP, 3GX,VocaNom, AudioCodes One Voice, AudioCodes Meeting Insights, AudioCodes RoomExperience and CloudBond are trademarks or registered trademarks of AudioCodes
Limited. All other products or trademarks are property of their respective owners.
Product specifications are subject to change without notice.