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STM-1 over Gigabit Ethernet 63E1 VOIP Trunk Gateway
BD-MTG-63E1 is a carrier grade VoIP gateway, which is designed for telecom operators, ITSPs with high reliability and performance. Focusing on a concept of maintainable, manageable and operable, BD-MTG-63E1 adopts STM-1 interface which features high integration and large capacity.

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BD-MTG-63E1 is a carrier grade VoIP gateway, which is designed for telecom operators, ITSPs with high reliability and performance. Focusing on a concept of maintainable, manageable and operable, BD-MTG-63E1 adopts STM-1 interface which features high integration and large capacity. It provides carrier-grade VoIP and FoIP services, as well as value-added functions such as modem and voice recognition. Thus it constructs a flexible, high-efficient, future-oriented communication network for users.

The VOIP media gateway supports a range of signaling protocols, realizing the interconnection between SIP and traditional signals like SS7 and PRI. It supports multiple codec methods, offers signal encryption technology and smart voice recognition technology, and improves the utilizing efficiency of trucking resources while ensuring voice quality. The trunk gateway is ideally fit for various networks of ITSPs, telecom operators and large-scale enterprises.

Key Features

   ●   Carrier grade hardware design, 1+1 power supply and MCU, hot plug

   ●   High-integrated structure, STM-1 155M (63*E1) in 2U size 

   ●   Support flexible dialing rules and operations, allowing users to customize dialing rules according to different working environments

   ●   Support multiple coding standards: G.711A/U, G.723.1, G.729A/B and iLBC

   ●   High compatibility, interoperable with PBX of Avaya, NEC and Alcatel, and also leading soft-switch of Huawei, Cisco and ZTE etc.

Physical Interfaces

SDH Interfaces

2*Standard LC SDH, 155M

1+1 Redundancy Channels Protection

Master/Slave Clock Source

Main Control Unit(MCU)

1+1 Redundancy, Hot Plug

DigitalProcessing Unit (DTU)

4*DTU Maximum

Support 512 Voice Channels Each Board

Ethernet Interface

GE1: 10/100/1000 BaseT Adaptive Ethernet

GE0: 10/100/1000 BaseT Adaptive Ethernet

Serial Port

1* RS232, 115200bps


VoIP Protocol

SIP v2.0 (UDP/TCP),RFC3261



SIP-T,RFC3372, RFC3204, RFC3398

SIP Trunk Work Mode :Peer/Access

SIP/IMS Registration:

with up to 256 SIP Accounts

NAT: Dynamic NAT, Report


Call Features

Flexible Route Methods


Intelligent Routing Rules

Call Routing base on Time

Call Routing base on Caller/Called Prefixes

256 Route Rules for each Direction

Caller and Called Number Manipulation

Voice Capabilities

Codecs:G.711a/μ law,G.723.1, G.729A/B,


Silence Suppression

Comfort Noise

Voice Activity Detection

Echo Cancellation (G.168),with up to 128ms

Adaptive Dynamic Buffer

Voice ,Fax Gain Control

FAX:T.38 and Pass-through

Support Modem/POS

DTMF Mode: RFC2833/Signal/Inband

Clear Channel/Clear Mode



Software Features

Local/Transparent Ring Back Tone

Overlapping Dialing

Dialing Ruleswith up to 2000

PSTN group by E1 port or E1 Timeslot

IP Trunk Group Configuration

Voice Codecs Group

Caller and Called Number White Lists

Caller and Called Number Black Lists

Access Rule Lists

IP Trunk Priority



Redundant Power Supply

Power Supply: 100-240VAC,50-60 Hz

Power Consumption:110W

Operating Temperature:0 ~ 45

StorageTemperature: -20 ~80

Humidity:10%-90% Non-Condensing


Unit Weight: 6.5kg

Compliance: CE, FCC,CCC



23B+D(T1),30B+D(E1),NT or TE

ITU-T Q.921, ITU-T Q.931, Q.Sig

Signal 7/SS7:



E1 Frame Type: DF,MF_CRC,MF

Line Code: HDB3

Clock Source:

Local/Remote Clock Source



Web GUI Configuration

Data Backup/Restore

PSTN Call Statistics

SIP Trunk Call Statistics

Firmware Upgrade via TFTP/FTP/Web

Network Capture


Syslog: Debug, Info, Error, Warning , Notice

Call History Records via Syslog

NTP Synchronization

Centralized Management System


















Question1: Can 63E1 Voip Trunk Gateway convert optical STM1 protocol to SIP protocol? 
Answer: Yes, it can convert optical STM1 protocol to SIP protocol.

Question2: I need to convert STM1 as optical to SIP protocol as electrical, is it possible?
Answer: Yes, we make the STM1 SIP device as optical STM-1 port and electrical SIP Ethernet port.

Question3: Does 63E1 Voip Trunk Gateway have any software to monitor such as NMS or EMS? 
Answer: Yes, the device can be monitored by web management. The user can easily monitor and configure the 63E1 Voip Trunk Gateway.

Question4: Dose 63E1 Voip Trunk Gateway support SSH via Ethernet to connect them remotely? 
Answer: Yes, it can support SSH via Ethernet to remote connect.

Question5: Can STM-1 over Gigabit Ethernet VoIP Gateway support FXS+FXO+4w E&M+Magnet+RS232?
Answer: No, the device only supports E1 to VoIP.

Related Link:

Questions about VOIP gateway
BD-MTG-63E1 STM1 to GE VoIP Trunk Gateway User Manual

Ordering information

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