Models

VG2000-8

VG2000-16

VG2000-32S

10/100M Ethernet interface

2

2

2

Console interface

1

1

1

Voice Interface

Max. Voice interface

8*FXS

16*FXS

32*FXS

Typical protocol

Ethernet protocol

IEEE 802.2, IEEE 802.3

VoIP protocols

SIP2.0, 3GPP Release 10

Voice coding

G.711a, G.711u, G.723, G.729

FAX protocol

T38, Transparent

Compressed voice transmission

RTP/RTCP

IP Protocol

SNMP, CLI, Ping, Trace, DHCP, FTP, DNS

Echo suppression

G.168–2000 compliant

Voice activation/Comfort noise

VAD/CNG

DTMF Signaling detection

RFC2833, In band, INFO

Payload adjustment

10ms-50ms

Silence suppression

Yes

Echo cancellation

Yes

Comfort noise

Yes

Jitter Buffer

Yes

FXS&FXO bundling

Yes

IMS Features

Support country code/region code prefix

Support 401 to carry poq field

Support Tel URI resolution

Support Service-route

Support Prack

Support SBC registration

Support differentiated ringing

System performance

Long call retention rate

≥99%

Physical index

H*W*D (mm)

44.5*245*145

44.5*440*200

44.5*440*200

Power parameter

AC input voltage

External Adaptor

Inbuilt AC

Inbuilt AC

Environmental parameter

Working temperature

0℃-45℃

Working humidity

0%-90%, non-condensing

Value-added features

Key

Features

Caller ID

For FXS and FXO channels of the line card, the callee can view the incoming number on the phone after the caller ID is enabled

Hotline dialing

After off hook, the user can automatically dial out the configured hotline number without dialing. This function can improve dialing efficiency

Call waiting

New incoming calls will not be hung up because the callee is busy. You can choose to wait. After the called call ends and hangs up, he can answer a new call

Call forwarding

Allow the called party or caller to forward the incoming call to a specified number

Call transfer

Transfer the incoming call to a specified number before it is not answered. Support unconditional transfer, unanswered transfer, busy transfer and offline transfer

Three party call

When the two parties are talking, they can call a third party user without interrupting the current call, so that the three parties can talk together

No disturb

When the user does not want interference from incoming calls, the time can be reasonably arranged by configuring time rules

Fax

Support T.38 and transparent fax protocol

Black and white list

Limit calls by defining the black and white list rules of caller and callee

Call backup

Backup call route can be set. When VoIP routing fails, the call will be sent to the specified IP or PSTN

Call pickup

When the called user is ringing, other users can answer the incoming call instead of the ringing user

Call intrude

When user A is talking with user B, user C can forcibly insert to talk with user A, while user B is kept waiting

Intercept call

When user A is talking with user B, user C can forcibly terminate the call

Group ringing

When there is an incoming call, if the called number matches the number of the group ringing, then all telephones connected to the FXS port in the group will ring at the same time

IVR

Support custom IVR, support multi-level IVR, customize and upload voice prompts, and meet the application of switchboard service scenarios

ACD queuing

It supports the ACD queuing function, unifies the service number externally, supports multiple ACD instances, and can set different attendant service numbers for different services according to needs, and set different welcome prompts. ACD supports a variety of incoming call allocation policies, including polling allocation, sequence allocation, priority allocation, simultaneous ringing, random allocation, etc