Voice gateway

Introduction

Voice gateway can realize point-to-point free communication, the new voice gateway has all the features of PBX. Voice communications can be fully integrated into the company's data network, thereby establishing a unified voice and data network that can be connected to office locations and employees around the world.

is also a voice switch, converting the IP digital signal of the voice into an analog signal.

voice gateway is divided into 1 port, 2 port, 4, 8, 16, 24, 32, 48, 64, 72, 96, and other And the difference without escape ports.

Features

Support T.30 and T.38 protocol Implement the fax service on the IP carrier network, can be used to continuously send multiple page paper, the fax is high.

voice quality is good, it can be compared with ordinary PSTN voice Support standard coding such as G.711, G.729A, G.723.1 support dynamic jitter buffer management, echo offset package compensation technology, voice activation detection technology VAD and comfort background sound generation (CNG).

Supports 802.1Q and 802.1p, which can set the business priority and VLAN tag of voice data stream, which greatly improves the protection of the business.

Built-in intelligent voice judge expert, when the network status is deteriorated, it can automatically route the call to the enterprise original PSTN line.

Dial rules simple and flexible, and enterprises The original traditional PBX phone has a good interoperability, completely inheriting traditional telephone usage habits.

supports control of call ratios of VoIP and PSTN, balancing the conflict between VoIP operators and enterprise original PSTN operators .

automatically adds an IP access number similar to 17909.

supports PPP / PPPOE, DHCPCLIENT, and PPPoE can be automatically redirected after interrupt.

Provide a web graphical configuration interface that is very simple to make local configuration, operation management, and configuration methods for devices.

By serial port or telnet, the device can be monitored local or remote monitoring, diagnostics.

supports software automatic upgrade. When upgrading the software, it does not affect the normal service of the user.

Application

VoIP voice gateway is an access device called through the Internet, which saves internal communication and external communication costs for IP, SMEs, and home users (especially domestic, International long-distance calls and faxes), after using the voice gateway, internal communication costs are almost reduced to zero, and the communication costs with the outside is also reduced by 40% -60% more than using IP phones. Many large and medium-sized companies have a huge spending spending spending. Most companies can save money by using IP phone cards, but due to their lengthy identity and password verification, even redial is very troublesome, making it difficult to promote the promotion of the company, and pay a lot of local calls. Thereby, a VoIP voice gateway has fundamentally solves the "expensive" problem of long-distance calls.

Access

a broadband, such as ADSL, DDN, LAN, etc.

The required device

1 broadband, bandwidth 1M ~ 2M (self).

2 speech gateway (1 to 96 ports), you need to buy from voice gateway manufacturers, with the gateway.

3 computers, ordinary telephones, common routers, network cables, telephone lines, etc.

1 Apply VoIP voice gateway to achieve low cost call;

2 words, supermarkets can settle the rate, matching Bar counting software;

3 voice flow truly penetrates NAT device, QoS voice priority guarantee;

4 connection method flexible, such as ADSL, DDN and cell broadband, etc.;

5 network stable cases can be comparable to traditional PSTN;

6 complete billing platform, you can achieve centralized billing, unified tariff, and real-time monitoring, management, etc .;

7 can only call the call, can not answer the phone;

8 Each call requires more than 30KB bandwidth, theoretically 1M broadband can support 40 phones;

⑨ Gift software, installed on the computer, the owner can set the rate of charges on the billing software.

Voice Gateway Classification

1, analog gateway: Terminal Gateway FXS (1-96FXS), relay gateway FXO (1-96FXO);

2, Digital gateway; E1 relay gateway (1-16e1);