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Mediant 850 MSBR in Microsoft Lync Enterprise Networks

Reliable network services at branch ofces are essential for

maintaining application availability for critical business processes. In

Microsoft Lync enviroments, AudioCodes Mediant 850 MSBR can be

deployed as an Enhanced Gateway or Survivable Branch Appliance

(SBA) to offer branch-ofce resiliency for the local IP-Phones along with

secured connectivity to the head ofce’s Lync Server and unique built-

in complementary services.

These services include integrated data services, such as the Router,

WAN termination, Data rewall, Secured SIP Trunk connectivity through

an integrated Enterprise class session border controller, advanced

applications such as SIP Phones and smartphones integration, and

passive recording for Lync.

Specifications*

Networking Interfaces

WAN Integral copper GE, plus optional 2 WAN interfaces (xDSL or GE UTP/SFP)

Support for T1/E1*, SHDSL, ADSL2+, VDSL, 100Base-X, 1000Base-X (SFP Format)

LAN 2 congurations: 4 ports 10/100/1000Base-T plus additional 8 10/100Base-TX ports or 2 ports 10/100/1000Base-T or 4 ports 10/100/1000Base-T

PoE- Power-Over Ethernet on all ports is optional (Compliant to 802.3at-2009 with auto-detection Up to 30W per port, up to 200W in total), PoE management

WiFi WiFi Access Point support for 802.11 a/b/g/n, dual band 2.4 GHz, 5GHz

WAN Interfaces

ADSL2+ (Annex A, B, I, J, L, M)

SHDSL (Annex, A, B, F, G), 2Base-2L

VDSL1, VDSL2 (bandplan 997, 998, proles 8, 12, 17, 30), 10PASS-TS

10/100/1000Base-X Full-Duplex SFP, 100Base-FX, 1000Base-SX/LX

EFM (802.3ah) for VDSL2 and SHDSL

ATM for ADSL and SHDSL

RFC2684, VC-MUX, LLC SNAP

8 PVCs, multiple IP interfaces

IP, IPoE, PPPoE, PPPoE, IPCP, NCP, LCP, PAP, CHAP

ATM Service Categories (UBR, VBR-RT, VBR-nRT, CBR

Telephony Interfaces

PSTN Capacity Voice interfaces: The Mediant 850 is equipped with up to 24 analog PSTN interfaces, 8 BRI and 2 E1/T1 span, or a combination

Digital Interfaces 2 span E1/T1/J1 using RJ-48c connectors

8 BRI ports using RJ-48c connectors

Analog Interfaces UP to 12 analog FXS/FXO ports using RJ-11 connectors

Option of 1 FXS Lifeline ports in case of power failure

BRI Interfaces 8 BRI ports (16 calls), network S/T interfaces. NT or TE termination, using RJ-45 connectors

Data Routing

DHCP/PPPoE/L2TP/PPTP client towards WAN

QoS (Classication, queuing, shaping, marking 802.1p/DSCP), hierarchical queuing

DHCP server towards LAN VLAN

Layer 3 routing

Internal layer 2 switching

IP/VoIP Quality of Service

IEEE 802.1P, TOS, DiffServ labeling

IEEE 802.1Q VLAN tagging

RTCP-XR (Extended Reports per RFC 3611)

Shaping Policing, Queuing, Bandwidth Reservation (Optional)

Media Processing

Voice Coders G.711, G.726, G.723.1, G.729A, AMR, G.722, AMR-WB, SILK. SILK-WB

Independent dynamic vocoder selection per channel

Echo Cancellation G.165 and G.168-2002, with 32, 64 or 128 msec tail length

Quality Enhancement Dynamic programmable jitter buffer, VAD, CNG

DTMF/MF Tones Packet-side or PSTN-side detection and generation, RFC 2833 compliant DTMF relay and Call Progress tones Detection and Generation

IP Transport VoIP (RTP/RTCP) per IETF RFC 3550 and 3551, IPv6 Supported

Fax Transport T.38 compliant (real time fax), Automatic bypass to PCM

Signaling

Digital – PSTN Protocols CAS: MF-R1: T1 CAS (E&M, loop start, Feature Group-D, E911CAMA), E1 CAS (R2 MFC), R1.5, numerous protocol and country variants

ISDN PRI: ETSI/EURO ISDN, ANSI NI2 and other variants (DMS100, 5ESS), VN3, VN4, VN6

ISDN BRI: Euro ISDN, VN4/6 or QSIG

Analog Signaling Loop Start FXS/FXO, Caller ID, polarity reversal, distinctive ringing, visual Message Waiting Indication

Control and Management

Control Protocols Static and dynamic routing (RIP1, RIP2, OSPF, BGP), multi-VRF, L2 bridging

SIP-TCP, SIP-UDP, SIP-TLS, IPv6 Supported**

Stand alone Survivability for service continuity

Operations & Management AudioCodes’ Element Management System

Embedded HTTP Web Server, SNMP V2/V3, SSH, Telnet, TR-069

Remote conguration and software download via HTTP or HTTPS, RADIUS, Syslog (for events and alarms)

LAN

PSTN

SP WAN

IP Phones

SMB Network

PBX

E1/T1/BRI/FXO

PSTN Fallback

IP Centrex Server

Mediant 800

Mediant

850 Multi-Service Business Router

Mediant 850 MSBR in Business Services Implementations

As small and medium businesses and enterprises strive to control

their communications’ operating and equipment costs, outsourcing

theirvoice and data infrastructure to a service provider is becoming

an attractive option. The Mediant 850 MSBR offers service providers

who are delivering hosted and managed communication services, a

clear and easy-to-manage demarcation point, combining multiple WAN

Access, routing and security, dual PSTN fallback, secured VoIP and

branch survivability.

By using the Mediant 850 MSBR, service providers’ business

customers can easily and securely hook up to cloud-based services.

Lync

Enterprise Pool

IP Phones

Analog Devices

TDM-PBX

IP-PBX

AudioCodes

Enhanced Gateway

Main Site (Data Center)

Lync Endpoints

IP Phones

IP-PBX

Branch Site

AudioCodes

Survivable Branch Appliance

SIP Trunk

PSTN

Powerful Media Processing Services

The on-board DSP resource farm enables the implementation of a

variety of narrowband and wideband VoIP media processing services

such as recording, integrated voice response (IVR), conferencing and

transcoding. Utilizing AudioCodes’ dedicated DSP resources enables a

more robust and predictable voice performance compared to systems

that are based on general purpose CPUs.

Enterprise Session Border Controller (E-SBC)

By upgrading the platform with software E-SBC licenses, the Mediant 850

MSBR protects the enterprise network and provides secure connectivity

into SIP Trunking and other service provider applications. The key

security features include Call Admission Control (CAC), encryption and

authentication, topology hiding, trafc separation and protection against

Denial of Service (DoS) attacks.

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Mediant 1
Specifications* 2

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