Multitech MVP30-60 User Manual download pdf (Page 3)

Advanced Speech Technologies. The MultiVOIP gateway

supports both DiffServ and 802.1p Quality of Service (QoS)

protocols which set priorities for voice and fax trafﬁc and

allow for transparent delivery. The QoS protocols move

time-sensitive voice trafﬁc across even low-bandwidth

WAN connections, like 56K and ISDN, with the priority and

quality required by voice. Other features such as adaptive

echo cancellation, forward error correction, bad frame

interpolation and dynamic jitter buffers, further enhance

voice quality.

Complete Support for Multiple Telephony Interfaces. For

maximum investment protection, the MultiVOIP gateway

two-, four- and eight-port models accommodate changing

communication needs by providing a programmable FXS/

FXO/DID and an E&M interface for each port. This allows

the MultiVOIP gateway to connect directly to a phone,

fax machine, key phone system or PBX. It automatically

detects whether the incoming call is a voice or fax call. The

single-port MultiVOIP gateway supports FXS, FXO and DID

interfaces, while the digital and ISDN MultiVOIP gateways

connect directly to a PBX or PSTN line via T1/E1, PRI or ISDN

BRI.

Bandwidth Management. Bandwidth is used only when

someone is speaking. The silence suppression/Voice Activity

Detection (VAD) feature is an option that frees unused call

bandwidth for data trafﬁc. This is signiﬁcant, since callers are

usually silent for 60 percent of the call. When using silence

suppression, the MultiVOIP gateway also offers Comfort

Noise Generation (CNG) at the receiving end so the user

knows the line has not dropped. In addition, the MultiVOIP

gateway supports voice compression standards like G.729

(8:1) and G.723 (10:1). These standards help minimize the

bandwidth required for voice. G.723, for instance, is the

maximum compression rate and requires only 5.3K bps

(plus an added 7-8K bps for IP overhead). Even at maximum

compression, your VOIP solution will still provide toll-quality

voice.

Management. The MultiVOIP gateway is easily managed locally

using a windows-based software application or remotely by

the central ofﬁce with a web browser or SNMP. Multi-Tech

also includes its own SNMP management software called

MultiVOIPManager which provides central site conﬁguration,

management and call monitoring for all MultiVOIP gateways

on the network. It utilizes a Windows interface that makes

it easy to view events like usage tracking, live use reporting,

call history, and voice quality statistics. In addition,

MultiVOIPManager eases administration by automatically

e-mailing call logs based on volume or time. The MultiVOIP

gateway four- and eight-port models also include a

modem for remote diagnostics, monitoring, control and

conﬁguration.

No User Training. The MultiVOIP gateway provides single

stage dialing by utilizing a Uniform Dialing Plan that is

consistent with the E.164 (PSTN) standard numbering plan.

This includes automatic appending and stripping of digits

to dialed numbers to ensure that users will not require

additional training to make VOIP calls. In fact, placing calls

with the MultiVOIP gateway is like using your existing phone

system.

Supplementary Services. The MultiVOIP gateway supports

H.450 supplementary services to provide for call transfer, call

forwarding, call hold, call waiting, and name identiﬁcation.

It also supports Q.SIG, an inter-PBX signaling protocol, for

networking PBX supplementary services in a multi- or uni-

vendor environment. In addition, the MultiVOIP gateway

supports SIP extensions providing call forward and call

transfer capabilities.

Avaya Small Ofﬁce Media Gateway Solution. Avaya and

Multi-Tech have partnered together to provide an affordable

small ofﬁce survivable media gateway solution that delivers

the features of Avaya's Communication Manager software to

the branch ofﬁces of large corporations. The MultiVOIP AV

gateway, with integrated gatekeeper, cost-effectively extends

the call features and networking beneﬁts of an Avaya Media

Server to small branch ofﬁces. The MultiVOIP AV gateway

also renders local ofﬁce survivability, in the case of a LAN

or WAN failure, by providing local, reliable PSTN trunking. A

cost-effective single-port gateway is available to turn your

analog phones or fax machines into Avaya IP devices that

can serve the needs of enterprise

networks, small ofﬁce environments

and single user locations. For more

information and speciﬁc models, go to

www.multitech.com/partners/avaya

Comprehensive Service and Support. The Multi-Tech

commitment to service means we provide a two-year product

warranty and service that includes free telephone technical

support, 24-hour web site and ftp support.

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