RAD Data comm IPmux-8 Manual do Utilizador descarregar pdf (Página 2)

Telephony Extension

Voice Traffic Extension over Wireless

IP / TDM

Network

Router

Airmux-200

Vmux-2100

E1/T1

PBX

IP or E1/T1

E1/T1

PSTN

E1/T1

Vmux-110

Headquarters

Branch #2

PBX

E1/T1

Vmux-110

Branch #1

Up to

80 km/50 miles

Airmux-200

Extended range for voice intensive applications

Features and Benefits

• High link utilization with up to 16:1

compression ratio

• Adaptive rate and range enables

extending E1 or T1 over IP up to

80 kilometers (50 miles)

• High-quality voice communications

The Airmux system, incorporating RAD’s

Vmux compressed voice equipment,

offers a cost-effective solution for

extending an E1/T1 voice circuit up to

80 kilometers (50 miles) in a point-to-

point application. The solution offers

better price/performance than microwave

for voice intensive applications.

The Vmux has a 16:1 compression ratio,

which means an E1/T1 link can be

reduced to 128 kbps for optimal

cost/performance. Since rate and range

are adaptive, the high compression ratio

enables wireless transport over longer

distances. It maintains toll quality voice

while achieving the highest compression

ratio for voice transmissions over TDM

and IP networks. Voice activity detection

and silence suppression allow the

Vmux-2100 to dynamically utilize

bandwidth for voice traffic and fax or

modem relay, resulting in very efficient

bandwidth usage over fewer lines, while

signaling information is transmitted

separately.

Telephony Extension

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