Sunway SMG Series User manual

Synway SMG Series Digital Gateway
SMG2030L
SMG2060L
Digital Gateway
Version 1.6.5
Synway Information Engineering Co., Ltd
www.synway.net

Synway Information Engineering Co., Ltd
SMG2030L&SMG2060L Series Digital Gateway User Manual (Version 1.6.5) Page i
Content
Content ..................................................................................................i
Copyright Declaration...........................................................................iv
Revision History.....................................................................................v
Chapter 1 Product Introduction........................................................1
1.1 Typical Application ......................................................................................... 1
1.2 Feature List.................................................................................................... 2
1.3 Hardware Description .................................................................................... 3
1.4 Alarm Info ...................................................................................................... 4
Chapter 2 Quick Guide ......................................................................6
Chapter 3 WEB Configuration.........................................................10
3.1 System Login ............................................................................................... 10
3.2 Operation Info .............................................................................................. 12
3.2.1 System Info.............................................................................................................13
3.2.2 PSTN Status ...........................................................................................................15
3.2.3 PCM Info.................................................................................................................18
3.2.4 Call Monitor.............................................................................................................18
3.2.5 Call Count ...............................................................................................................20
3.2.6 Warning Info ...........................................................................................................22
3.3 SIP Settings ................................................................................................. 22
3.3.1 SIP Settings ............................................................................................................23
3.3.2 SIP Trunk ................................................................................................................28
3.3.3 SIP Register............................................................................................................31
3.3.4 SIP Account ............................................................................................................34
3.3.5 SIP Trunk Group .....................................................................................................36
3.3.6 Media Settings ........................................................................................................39
3.4 PCM Settings............................................................................................... 41
3.4.1 PSTN ......................................................................................................................43
3.4.2 Circuit Maintenance................................................................................................45
3.4.3 PCM........................................................................................................................45
3.4.4 PCM Trunk..............................................................................................................47
3.4.5 PCM Trunk Group ...................................................................................................50
3.4.6 Number-receiving Rule ...........................................................................................52
3.4.7 Reception Timeout..................................................................................................54
3.4.8 PSTN Forwarding ...................................................................................................55
3.5 ISDN Settings .............................................................................................. 57
3.5.1 ISDN .......................................................................................................................58
3.5.2 Number Parameter .................................................................................................60
3.5.3 Redirecting Number (Hidden item) .........................................................................63
3.6 SS1 Settings ................................................................................................ 65
3.7 Fax Settings................................................................................................. 66
3.7.1 Fax..........................................................................................................................66

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3.8 Route Settings ............................................................................................. 68
3.8.1 Routing Parameters................................................................................................68
3.8.2 IP to PSTN..............................................................................................................68
3.8.3 PSTN to IP..............................................................................................................71
3.9 Number Filter ............................................................................................... 73
3.9.1 Whitelist ..................................................................................................................74
3.9.2 Blacklist ..................................................................................................................76
3.9.3 Number Pool...........................................................................................................77
3.9.4 Filtering Rule...........................................................................................................78
3.10 Number Manipulation................................................................................... 81
3.10.1 IP to PSTN CallerID ................................................................................................81
3.10.2 IP to PSTN CalleeID ...............................................................................................84
3.10.3 IP to PSTN Original CalleeID..................................................................................85
3.10.4 PSTN to IP CallerID ................................................................................................85
3.10.5 PSTN to IP CalleeID ...............................................................................................88
3.10.6 PSTN to IP Original CalleeID..................................................................................89
3.10.7 CallerID Pool...........................................................................................................89
3.11 System Tools ............................................................................................... 91
3.11.1 Network..................................................................................................................93
3.11.2 Authorization...........................................................................................................94
3.11.3 Management...........................................................................................................95
3.11.4 IP Routing Table......................................................................................................97
3.11.5 Access Control........................................................................................................98
3.11.6 Centralized Manage..............................................................................................100
3.11.7 SIP Account Generator .........................................................................................101
3.11.8 Configuration File..................................................................................................102
3.11.9 Signaling Capture .................................................................................................103
3.11.10 Signaling Call Test ................................................................................................104
3.11.11 Signaling Call Track ..............................................................................................106
3.11.12 PING Test .............................................................................................................107
3.11.13 TRACERT Test .....................................................................................................108
3.11.14 Modification Record ..............................................................................................109
3.11.15 Backup & Upload ..................................................................................................109
3.11.16 Factory Reset .......................................................................................................110
3.11.17 Upgrade................................................................................................................110
3.11.18 Change Password ................................................................................................ 111
3.11.19 Device Lock .......................................................................................................... 111
3.11.20 Restart ..................................................................................................................112
Chapter 4 Typical Applications.....................................................113
4.1 Application 1 ...............................................................................................113
4.1.1 Configurations for Headquarters...........................................................................114
4.1.2 Configurations for Branch A..................................................................................118
4.1.3 Configurations for Branch B..................................................................................122
4.2 Application 2 .............................................................................................. 126
4.2.1 Configurations for Headquarters...........................................................................127
4.2.2 Configurations for Branches .................................................................................130
Appendix A Technical Specifications...............................................131
Appendix B Troubleshooting............................................................132
Appendix C ISDN Pending Cause to SIP Status Code....................133
Appendix D Direction for CDR Use ..................................................135

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Appendix E Technical/sales Support ...............................................136

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Copyright Declaration
All rights reserved; no part of this document may be reproduced or transmitted in any form or by
any means, electronic or mechanical, without prior written permission from Synway Information
Engineering Co., Ltd (hereinafter referred to as ‘Synway’).
Synway reserves all rights to modify this document without prior notice. Please contact Synway
for the latest version of this document before placing an order.
Synway has made every effort to ensure the accuracy of this document but does not guarantee
the absence of errors. Moreover, Synway assumes no responsibility in obtaining permission and
authorization of any third party patent, copyright or product involved in relation to the use of this
document.

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SMG2030L&SMG2060L Series Digital Gateway User Manual (Version 1.6.5) Page v
Revision History
Version Date Comments
Version 1.6.5 2017-06 Initial publication.
Note: Please visit our website http://www.synway.net to obtain the latest version of this document.

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Chapter 1Product Introduction
Thank you for choosing Synway SMG Series Digital Gateway!
The Synway SMG series digital gateway products (hereinafter referred to as ‘SMG digital
gateway’) are mainly used for connecting PSTN or enterprise PBX with the IP telephony network
or IP PBX. It provides a powerful, reliable and cost-effective VoIP solution for such occasions as
IP call centers and multi-branch agencies.
1.1 Typical Application
Branch B
Subscriber
Terminal
IP Phone IP Phone
SMG Digital
Gateway
LAN
Router
E1
IP PBX
Headquarters
SMG Digital Gateway
E1
Router
FXS
PBX
Tel Tel Tel
E1
SIP
Branch A
SMG Digital Gateway
SIP
E1
FXS
PBX
Tel Tel Tel
Router
Internet
Tel Tel Fax Fax
……
Figure 1-1 Typical Application

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1.2 Feature List
Basic Features Description
PSTN Call Call initiated from PSTN to a designated SIP trunk, via routing and number
manipulation.
IP Call Call initiated from IP to a designated PCM trunk, via routing and number
manipulation.
Number Manipulation Peels off some digits of a phone number from left/right, or adds a prefix/suffix to a
phone number.
PSTN/ VoIP Routing Routing path: from IP to PSTN or from PSTN to IP.
Fax Multiple fax parameters: fax mode, maximum fax rate, fax train mode, error
correction mode, etc.
Echo Cancellation Provides the echo cancellation feature for a call conversation.
Signaling & Protocol Description
ISDN ISDN User Side, ISDN Network Side
SS1 SS1 Signaling
SIP Signaling Supported protocol: SIP V1.0/2.0, RFC3261
Voice CODEC G.711A, G.711U, G.729, G722, G723, iLBC, AMR,
SILK(16K), OPUS(16K), SILK(8K), OPUS(8K)
DTMF Mode RFC2833, SIP INFO, INBAND, RFC2833+Signaling,
In-band+Signaling
Fax Fax Mode T.38, Pass-Through
Baud Rate 14400bps, 9600bps, 4800bps
Network Description
Network Protocol Supported protocol: TCP/UDP, HTTP, ARP/RARP, DNS, NTP, TFTP, TELNET,
STUN
Static IP IP address modification support
DNS Domain Name Service support
Security Description
Admin Authentication Support admin authentication to guarantee the resource and data security
Maintain & Upgrade Description
WEB Configuration Support of configurations through the WEB user interface
Language Chinese, English
Software Upgrade Support of user interface, gateway service, kernel and firmware upgrades based
on WEB
Tracking Test Support of Ping and Tracert tests based on WEB

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SysLog Type Three options available: ERROR, WARNING, INFO
1.3 Hardware Description
The SMG digital gateway integrates embedded LINUX system within the POWERPC+DSP
hardware architecture. It has 1/2 E1/T1 ports and 2 100Mb/s Ethernet ports (LAN1 and LAN2) on
the chassis.
See below figures for SMG2030L series appearance：
Figure 1-2 Front View
Figure 1-3 Rear View
Figure 1-4 Left View
The table below gives a detailed introduction to the interfaces, buttons and LEDs illustrated
above:
Interface Description
Amount: 2
Type: RJ-45
Bandwidth: 10/100Mbps
Self-Adaptive Bandwidth Supported
LAN
Auto MDI/MDIX Supported
Amount: 1/2
E1/T1 Type: RJ-45
Ventilation
Holes
Screw Holes for
Foot Bracket
Power
E1/T1 Interface
Console
ETH
Grounding Stud
ETH1 Indicator
Alarm Indicator
ETH2 Indicator
Run Indicator
PCM Indicator
Power Indicator
Reset Button

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Amount: 1
Type: RS-232
Baud Rate: 115200 bps
Connector: RJ45 (See Figure 1-5 for signal definition)
Data Bits: 8 bits
Stop Bit: 1 bit
Parity Unsupported
Console Port
Flow Control Unsupported
External Power Supply
Interface Voltage: 12V, positive inside and negative outside; Current: ≥3A.
Button Description
Reset Button Restore the gateway to factory settings.
LED Description
Power Indicator Indicates the power state. It lights up when the gateway starts up with the power
cord well connected.
Run Indicator Indicates the running status. For more details, refer to 1.4 Alarm Info.
Alarm Indicator Alarms the device malfunction. For more details, refer to 1.4 Alarm Info.
Link Indicator The green LED on the left of LAN, indicating the network connection status.
ACT Indicator The orange LED on the right of LAN, whose flashing tells data are being
transmitted.
E1 Indicators The green LED on the right of E1 interface lights up and keeps on after the E1
module is successfully synchronized.
Note: The console port is used for debugging. While connection, the transmitting and receiving
lines of the gateway and the remote device should be cross-linked. That is, connect the
transmitting line of the gateway to the receiving line of the remote device, and vice verse. The
figure below illustrates the signal definition of the console port on the gateway.
Figure 1-5 Console Port Signal Definition
For other hardware parameters, refer to Appendix A Technical Specifications.
1.4 Alarm Info
The SMG digital gateway is equipped with two indicators denoting the system’s running status:
Run Indicator (green) and Alarm Indicator (red). The table below explains the states and
meanings of the two indicators.
LED State Description
Go out System is not yet started.
Light up System is starting.
Run Indicator
Flash Device is running normally.
Alarm Indicator Go out Device is working normally.
8
7
6
5
4
3
2
1
GND
Gateway TX
Gateway RX

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Light up Upon startup: Device is running normally.
In runtime: Device goes abnormal.
Flash System is abnormal.
Note:
The startup process consists of two stages: System Booting and Gateway Service
Startup. The system booting costs about 1 minute and once it succeeds, both the run
indicator and the alarm indicator light up. Then after the gateway service is successfully
started and the device begins to work normally, the run indicator flashes and the alarm
indicator goes out.
During runtime, if the alarm indicator lights up or flashes, it indicates that the device goes
abnormal. If you cannot figure out and solve the problem by yourself, please contact our
technicians for help. Go to Appendix E Technical/sales Support to find the contact way.

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Chapter 2Quick Guide
This chapter is intended to help you grasp the basic operations of the SMG digital gateway in the
shortest time.
Step 1: Confirm that your packing box contains all the following things.
SMG Series Digital Gateway *1
External 12V Power Adapter *1
Warranty Card *1
Installation Manual *1
Step 2: Connect the power cord.
Make sure the device is well grounded before you connect the power cord. Check if the power
socket has the ground wire. If it doesn’t, use the grounding stud on the rear panel of the device
(See Figure 1-3) for earthing.
Step 3: Connect the network cable.
Step 4: Connect the E1/T1 trunk. Connect the E1/T1 interface of the digital gateway to that
of the remote device by E1/T1 trunk. After connection, check if the synchronization
indicator (green LED) is lit and keeps on, which indicates that the E1/T1 trunk is well
connected and the E1/T1 module is successfully synchronized.
For the 75Ω-unbalanced coaxial cable, in consideration of various line conditions, each PCM on
the digital gateway is equipped with two grounding jumpers which respectively control the
grounding of the transmitting and the receiving end. Under normal condition, that is, the chassis of
the gateway is well grounded, the grounding jumpers at the receiving end should be disconnected
and the ones at the transmitting end should be short-circuited. This configuration is the factory
default setting and applicable in most situations so that there is usually no need to change it. For
the 120Ω-balanced twisted pair cable, the grounding jumpers at both ends should be
disconnected.
You can construct an E1 trunk according to Figure 2-1. Prevent reverse connection of the
transmitting and receiving lines. The state of the receiving line can be checked by the
synchronization indicator (green LED) of the E1 interface. When the receiving line is in a normal
state, the indicator is lit and keeps on. If the indicator is off or flashing, it means that the
connection of the receiving line may probably be reversed. However, the state of the transmitting
line can only be examined by the opposite terminal. The synchronization indicator starts working
only after the device is powered on and successfully initialized.
Figure 2-1 Pin Layout for E1 Interface
Step 5: Log in the gateway.
Enter the original IP address (LAN 1: 192.168.1.101 or LAN 2: 192.168.0.101) of the SMG digital
gateway in the browser to go to the WEB interface. The original username and password of the
gateway are both ‘admin’. For detailed instructions about login, refer to 3.1 System Login. We
suggest you change the initial username and password via ‘System Tools Change Password’
on the WEB interface as soon as possible after your first login. For detailed instructions about
changing the password, refer to 3.11.18 Change Password. After changing the password, you are
8
7
6
5
4
3
2
1
R
Tip
RRing
Receive
TTip
TRing
Transmit

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required to log in again.
Step 6: Modify IP address of the gateway.
You can modify the IP address of the gateway via ‘System Tools Network’ on the WEB interface
to put it within your company’s LAN. Refer to 3.11.1 Network for detailed instructions about IP
modification. After changing the IP address, you shall log in the gateway again using your new IP
address.
Step 7: Set PCM.
On your initial use of the SMG digital gateway, you shall enter the PCM interface and set the
configuration items ‘Signaling Protocol’ and ‘Interface’. These items must be in conformity with the
physical connection. You may use the default values of other configuration items. Refer to 3.4.3
PCM for detailed instructions about PCM Settings.
Note: You shall restart the service to validate the settings in this step. Refer to 3.11.20 Restart for
detailed instructions.
Step 8: Configure signaling protocol parameters.
Further configure the signaling protocol you set in Step 7. Different protocols are configured on
different interfaces. See below for detailed instructions.
ISDN User Side/Network Side:
The configuration interface related to ISDN User Side/Network Side is ISDN. On your initial use of
the SMG digital gateway, you may adopt the default value of the configuration items on this
interface.
Note: After configuring the ISDN interface, you shall restart the service to validate the settings.
Refer to 3.11.20 Restart for detailed instructions.
SS1:
The configuration interface related to SS1 is SS1. On your initial use of the SMG digital gateway,
you may adopt the default value of the configuration items on this interface.
Note: After configuring the SS1 interface, you shall restart the service to validate the settings.
Refer to 3.11.20 Restart for detailed instructions.
Step 9: Check the PSTN status.
After the configuration of signaling protocols, you can check the status of the PSTN trunks via
‘Operation Info PSTN Status’. Refer to 3.2.2 PSTN Status for detailed introductions. When
Time Slot 0 shows ‘Frame Synchronized’, the signaling time slot is in the state of ‘Signaling
Channel’ and all the other channels are ‘Idle’, it indicates the PCM is well configured. If Time Slot
0 or the signaling time slot shows ‘Faulty’ or the other channels are in the state of ‘Unavailable’,
there may be errors in the signaling protocol configurations and we suggest you return to Step 9
for check.
Step 10: Set routing rules for calls.
Note: For your easy understanding and manipulation, all examples given in this step do not
involve registration.
Situation 1: IP PSTN
Step 1: Configure the IP address of the remote SIP terminal which can establish conversations
with the gateway so that the calls from other terminals will be ignored. Refer to ‘SIP
Settings SIP Trunk’ for detailed instructions. Fill in ‘Remote IP’ and ‘Remote Port’ with
the IP address and port of the remote SIP terminal which will initiate calls to the gateway.
You may use the default values for the other configuration items.
Example: Provided the IP address of the remote SIP terminal is 192.168.0.111 and the
port is 5060. Add SIP Trunk 0; set Remote IP to 192.168.0.111 and Remote Port to
5060.

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Step 2: Add the IP address of the remote SIP terminal configured in Step 1 into the
corresponding SIP trunk group. Refer to ‘SIP Settings SIP Trunk Group’ for detailed
instructions. Select the SIP trunk configured in Step 1 as ‘SIP Trunks’. You may use the
default values for the other configuration items.
Example: Add SIP Trunk Group 0. Check the checkbox before 0for SIP Trunks and
keep the default values for the other configuration items.
Step 3: Add PCM into the corresponding PCM Group. Refer to ‘PCM Settings PCM Trunk
Group’ for detailed instructions. Select the PCM used for call conversation as ‘PCM’. You
may use the default values for the other configuration items.
Example: Provided the PCM used for call conversation is PCM[1]. Add PCM Trunk
Group 0, check the checkbox before PCM[1] and keep the default values for the other
configuration items.
Step 4: Add routing rules. Refer to ‘Route Settings IPPSTN’ for detailed instructions. Select
the SIP trunk group set in Step 2 as ‘Call Initiator’ and the PCM trunk group set in Step 3
as ‘Call Destination’. You may use the default values for the other configuration items.
Example: Select SIP Trunk Group[0] as Call Initiator and PCM Trunk Group[0] as
Call Destination. Keep the default values for the other configuration items.
Step 5: Initiate a call from the SIP terminal configured in Step 1 to the IP address and port of the
SMG digital gateway. Thus you can establish a call conversation via PCM[1] with the
PSTN terminal. (Note: The format used for calling an IP address via SIP trunk is as
follows: username@IP address, in which, ‘username’ is a called party number which
conforms to the number-receiving rule of the remote device.)
Example: Provided the IP address of the SMG digital gateway is 192.168.0.101 and the
port is 5060. Provided 123 is a number which conforms to the number receiving rule of
the remote device. Initiate a call from SIP terminal 0 to the IP address 192.168.0.101 (in
the format: [email protected]) and you can establish a call conversation via PCM[1] to
the number 123.
Situation 2: PSTN IP
Step 1: Configure the called party numbers which are received from PSTN and will be processed
by the gateway. Refer to ‘Advanced Settings Number-receiving Rule’ for detailed
instructions. Enter either a particular number or a string of ‘x’s to represent several
random numbers. For example, ‘xxx’ denotes 3 random numbers. You may use the
default value for ‘Index’.
Example: Set Index to 99 and configure Dial Rule to 123.
Step 2: Set the IP address of the SIP terminal to be called by the gateway. Refer to ‘SIP Settings
SIP Trunk’ for detailed instructions. Fill in ‘Remote IP’ and ‘Remote Port’ with the IP
address and port of the SIP trunk. You may use the default values for the other
configuration items.
Example: Provided the IP address of the SIP trunk to be called is 192.168.0.111 and the
port is 5060. Add SIP Trunk 0; set Remote IP to 192.168.0.111 and Remote Port to
5060.
Step 3: Add the IP address of the remote SIP terminal configured in Step 2 into the
corresponding SIP trunk group. Refer to ‘SIP Settings SIP Trunk Group’ for detailed
instructions. Select the SIP trunk configured in Step 2 as ‘SIP Trunks’. You may use the
default values for the other configuration items.
Example: Add SIP Trunk Group 0. Check the checkbox before 0for SIP Trunks and
keep the default values for the other configuration items.
Step 4: Add PCM into the corresponding PCM Group. Refer to ‘PCM Settings PCM Trunk
Group’ for detailed instructions. Select the PCM used for call conversation as ‘PCM’. You
may use the default values for the other configuration items.

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Example: Provided the PCM used for call conversation is PCM[1]. Add PCM Trunk
Group 0, check the checkbox before PCM[1] and keep the default values for the other
configuration items.
Step 5: Add routing rules. Refer to ‘Route Settings PSTNIP’ for detailed instructions. Select
the PCM trunk group set in Step 4 as ‘Call Initiator’ and the SIP trunk group set in Step 3
as ‘Call Destination’. You may use the default values for the other configuration items.
Example: Select PCM Trunk Group[0] as Call Initiator and SIP Trunk Group[0] as
Call Destination. Keep the default values for the other configuration items.
Step 6: Once PCM[1] receives a call from PSTN and the called party number conforms to the
number-receiving rules set in Step 1, it can establish a call conversation with the remote
SIP terminal via the gateway.
Example: Once PCM[1] receives a call from PSTN with the called party number 123, it
will route the call to SIP Trunk 0 of the gateway.
Special Instructions:
The chassis of the SMG digital gateway must be grounded for safety reasons, according
to standard industry requirements. A simple way is earthing with the third pin on the plug
or the grounding studs on the machine. No or improper grounding may cause instability
in operation as well as decrease in lightning resistance.
As the device will gradually heat up while being used, please maintain good ventilation to
prevent sudden failure, ensuring that the ventilation holes (see Figure 1-4) are never
jammed.
During runtime, if the alarm indicator lights up or flashes, it indicates that the device goes
abnormal. If you cannot figure out and solve the problem by yourself, please contact our
technicians for help. Otherwise it may lead to a drop in performance or unexpected
errors.

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Chapter 3WEB Configuration
3.1 System Login
Type the IP address into the browser and enter the login interface. See Figure 3-1.
Figure 3-1 Login Interface
The gateway only serves one user, whose original username and password are both ‘admin’. You
can change the username and the password via ‘System Tools Change Password’ on the WEB
interface. For detailed instructions, refer to 3.11.18 Change Password.
After login, you can see the main interface as below.

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Figure 3-2 Main Interface

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3.2 Operation Info
Operation Info includes six parts: System Info, PSTN Status, PCM Info, Call Monitor, Call
Count and Warning Info showing the current running status of the gateway. See Figure 3-3.
Figure 3-3 Operation Info

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3.2.1 System Info
Figure 3-4 System Info Interface
See Figure 3-4 for the system info interface. You can click Refresh to obtain the latest system
information. The table below explains the items shown in Figure 3-4.
Item Description
MAC Address MAC address of LAN 1 or LAN 2.
IP Address The three parameters from left to right are IP address, subnet mask and default
gateway of LAN 1 or LAN 2.
DNS Server DNS server address of LAN 1 or LAN 2.

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Receive Packets The amount of receive packets after the gateway’s startup, including three
categories: All, Error and Drop.
Transmit Packets The amount of transmit packets after the gateway’s startup, including three
categories: All, Error and Drop.
Current Speed The current speed of data receiving and transmitting.
Work Mode The work mode of the network, including five options: 10 Mbps Half Duplex, 10
Mbps Full Duplex, 100 Mbps Half Duplex, 100 Mbps Full Duplex and Disconnected.
Runtime Time of the gateway keeping running normally after startup. This parameter
updates every 2s.
Operating Mode
The operating mode of the gateway includes:
Operating Mode Description
ISDN(User-side) The current gateway is configured to be ISDN user-side..
ISDN(Network-side) The current gateway is configured to be ISDN
network-side.
SS1 The current gateway is configured to be SS1.
CPU Temperature Display the real time temperature of the CPU.
CPU Usage Rate Display the real time usage rate of the CPU.
Current RTP
Message Data Display the receiving and sending information of the current RTP data.
DCMS Working
Status Display the connecting status of the gateway and DCMS.
Serial Number Unique serial number of an SMG digital gateway.
WEB Current version of the WEB interface.
Gateway Current version of the gateway service.
Uboot Current version of Uboot.
Kernel Current version of the system kernel on the gateway.
Firmware Current version of the firmware on the gateway.