manual configuration of SMSC for connection with ss7 simulator

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baym...@gmail.com

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Oct 17, 2017, 5:51:47 AM10/17/17
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Hi,

I am working with restcomm-SMSC for quite some time. The SMSC in simulator mode works fine with  ss7 simulator. All the connections are up and I can send/receive SMS to/from SIP via SMSC. This setup is working on localhost with SMSC in simulator mode. 

Now I want to start SMSC in manual mode, bind it to my IP address and connect ss7 simulator with SMSC in client-server connection. when i start the setup, sctp layer is connected but i am unable to bring m3ua up/connected. 

SCTP: Connected  M3UA: pFsm:DOWN lFsmP:DOWN

Also, following error lines appear on ss7 simulator terminal

ERROR [M3UAManagementImpl] Error setting Assciation=Ass_main for the AspFactory=testasp while loading from XML
java.lang.Exception: No Association found for name=Ass_main
    at org.mobicents.protocols.sctp.ManagementImpl.getAssociation(ManagementImpl.java:874)
    at org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl.loadActualData(M3UAManagementImpl.java:1067)
  ......
7117 [AWT-EventQueue-0] ERROR org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Error setting Assciation=Ass_main for the AspFactory=testasp while loading from XML
java.lang.Exception: No Association found for name=Ass_main
    at org.mobicents.protocols.sctp.ManagementImpl.getAssociation(ManagementImpl.java:874)
    at org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl.loadActualData(M3UAManagementImpl.java:1067)
   .......
22:49:30,045 ERROR [M3UAManagementImpl] Error starting the AspFactory=testasp while loading from XML
java.lang.NullPointerException
    at org.mobicents.protocols.ss7.m3ua.impl.AspFactoryImpl.start(AspFactoryImpl.java:178)
    at org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl.loadActualData(M3UAManagementImpl.java:1075)
    .......
7118 [AWT-EventQueue-0] ERROR org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Error starting the AspFactory=testasp while loading from XML
java.lang.NullPointerException
    at org.mobicents.protocols.ss7.m3ua.impl.AspFactoryImpl.start(AspFactoryImpl.java:178)
    at org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl.loadActualData(M3UAManagementImpl.java:1075)
    at org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl.loadVer2(M3UAManagementImpl.java:1108)
    .....




I check the xml file /restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/SimM3uaServer_main_m3ua1.xml, It is overwritten every time I start the simulator with default configuration names.


How to fix this issue?

p.s. PFA the ss7 simulator configurations. I am using PC 2 for SMSC and PC 3 for ss7 simulator

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Nick Evangelou

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Oct 17, 2017, 6:49:25 AM10/17/17
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Hello there,

I'm new in these but I want to help. From a first look I would say that maybe the ports are the issue (in m3ua settings). You cant bind the same port for different operations. Also check this guide http://documentation.telestax.com/core/tutorials/ussd-how-to-configure-multi-tenancy-and-initiate-sctp-session.html#ussd . If you take a look at step 4, he creates a role type client and in step 12 he sets up a server role in simulator. So if you set a client role for sctp you setup a server role for the simulator, and all the other settings must be the same. Please try that and let us know if worked for you.

Regards,
Nick

baymax Robo

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Oct 18, 2017, 3:24:17 AM10/18/17
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Thanks for replying Nick.

I have tested your solution but it didn't work for me. Please find details of my configurations as below.

Objective is to connect SMSC (manually configured) with ss7 simulator. For this I have set up sctp association (fig10) of type server (p.s. server side of association doesn’t require host address and port so it is not filled). On ss7 simulator, client role is created (fig 11). IP and port configs are

set on GUI

sctp server IP addr: 192.168.1.105

port: 8012

sctp association IP: 192.168.1.105

port: 8011

set on ss7 simulator

sctp local host: 192.168.1.105

port: 8015

sctp remote host: 192.168.1.105

port: 8011


when I run the setup. I am unable to achieve a successful connection. Following are the terminal logs of ss7 and wireshark attached as fig 17


terminal logs:


22:51:53,632 ERROR [M3UAManagementImpl] Error setting Assciation=Ass_main for the AspFactory=testasp while loading from XML


java.lang.Exception: No Association found for name=Ass_main
    at org.mobicents.protocols.sctp.ManagementImpl.getAssociation(ManagementImpl.java:874)
    at org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl.loadActualData(M3UAManagementImpl.java:1067)

    ' ....
3474255 [AWT-EventQueue-0] ERROR org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Error setting Assciation=Ass_main for the AspFactory=testasp while loading from XML


java.lang.Exception: No Association found for name=Ass_main
    at org.mobicents.protocols.sctp.ManagementImpl.getAssociation(ManagementImpl.java:874)

    .....
22:51:53,642 ERROR [M3UAManagementImpl] Error starting the AspFactory=testasp while loading from XML
java.lang.NullPointerException
    at org.mobicents.protocols.ss7.m3ua.impl.AspFactoryImpl.start(AspFactoryImpl.java:178)
  
3474265 [AWT-EventQueue-0] ERROR org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Error starting the AspFactory=testasp while loading from XML
java.lang.NullPointerException
    at org.mobicents.protocols.ss7.m3ua.impl.AspFactoryImpl.start(AspFactoryImpl.java:178)
    ...
22:51:53,662 INFO  [M3UAManagementImpl] Started M3UAManagement
3474285 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Started M3UAManagement
22:51:53,663 INFO  [M3UAManagementImpl] Removing allocated resources: AppServers=1, AspFactories=1
3474286 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Removing allocated resources: AppServers=1, AspFactories=1
22:51:53,669 INFO  [ManagementImpl] Added Associoation=Ass_main of type=CLIENT
3474292 [AWT-EventQueue-0] INFO org.mobicents.protocols.sctp.ManagementImpl  - Added Associoation=Ass_main of type=CLIENT
22:51:53,677 INFO  [AssociationImpl] Started Association=Association [name=Ass_main, associationType=CLIENT, ipChannelType=SCTP, hostAddress=192.168.1.105, hostPort=8015, peerAddress=192.168.1.105, peerPort=8011, serverName=null, extraHostAddress=[]]
3474300 [AWT-EventQueue-0] INFO org.mobicents.protocols.sctp.AssociationImpl  - Started Association=Association [name=Ass_main, associationType=CLIENT, ipChannelType=SCTP, hostAddress=192.168.1.105, hostPort=8015, peerAddress=192.168.1.105, peerPort=8011, serverName=null, extraHostAddress=[]]
22:51:53,743 INFO  [TesterHost] M3UA has been started

3474366 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - M3UA has been started

22:51:53,804 INFO  [SccpStackImpl-TestingSccp] Starting ...
3474427 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting ...
22:51:53,805 INFO  [SccpStackImpl-TestingSccp] SCCP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_management2.xml
3474428 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - SCCP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_management2.xml
22:51:53,848 INFO  [RouterImpl] SCCP Router configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccprouter2.xml
3474471 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.router.RouterImpl  - SCCP Router configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccprouter2.xml
22:51:53,858 INFO  [RouterImpl] Started SCCP Router
3474481 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.router.RouterImpl  - Started SCCP Router
22:51:53,895 INFO  [SccpResourceImpl] SCCP Resource configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccpresource2.xml
3474518 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpResourceImpl  - SCCP Resource configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccpresource2.xml
22:51:53,908 INFO  [SccpResourceImpl] Started Sccp Resource
3474531 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpResourceImpl  - Started Sccp Resource
22:51:53,908 INFO  [SccpStackImpl-TestingSccp] Starting routing engine...
3474531 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting routing engine...
22:51:53,908 INFO  [SccpStackImpl-TestingSccp] Starting management ...
3474531 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting management ...
22:51:53,911 INFO  [SccpStackImpl-TestingSccp] Starting MSU handler...
3474534 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting MSU handler...
22:51:53,923 INFO  [TesterHost] SCCP has been started

3474546 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - SCCP has been started

22:51:54,794 INFO  [TCAPStackImpl-Simulator] Starting ...org.mobicents.protocols.ss7.tcap.TCAPProviderImpl@1769bf4c
3475417 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPStackImpl-Simulator  - Starting ...org.mobicents.protocols.ss7.tcap.TCAPProviderImpl@1769bf4c
22:51:54,795 INFO  [TCAPStackImpl-Simulator] TCAP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/bin/Simulator_management.xml
3475418 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPStackImpl-Simulator  - TCAP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/bin/Simulator_management.xml
22:51:54,798 INFO  [TCAPProviderImpl] Starting TCAP Provider
3475421 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPProviderImpl  - Starting TCAP Provider
22:51:54,799 INFO  [TCAPProviderImpl] Registered SCCP listener with address 8
3475422 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPProviderImpl  - Registered SCCP listener with address 8
22:51:54,801 INFO  [TesterHost] TCAP+MAP has been started

3475424 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - TCAP+MAP has been started

22:51:54,812 INFO  [TesterHost] SMS Client has been started

3475435 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - SMS Client has been started

22:52:04,018 ERROR [SelectorThread] Exception while finishing connection for Association=Ass_main
java.net.ConnectException: Connection refused
    at sun.nio.ch.sctp.SctpChannelImpl.checkConnect(Native Method)
    at sun.nio.ch.sctp.SctpChannelImpl.finishConnect(SctpChannelImpl.java:482)
    at org.mobicents.protocols.sctp.SelectorThread.finishConnectionSctp(SelectorThread.java:381)
    at org.mobicents.protocols.sctp.SelectorThread.finishConnection(SelectorThread.java:366)
    at org.mobicents.protocols.sctp.SelectorThread.run(SelectorThread.java:151)
    at java.lang.Thread.run(Thread.java:748)



Now when I changed the port on simulator (fig15) as

set on ss7 simulator

sctp local host: 192.168.1.105
port: 8011
sctp remote host: 192.168.1.105
port: 8011

The sctp layer connected but m3ua is still down


Wireshark capture is shown in (fig 14)

terminal logs:


22:51:53,632 ERROR [M3UAManagementImpl] Error setting Assciation=Ass_main for the AspFactory=testasp while loading from XML

java.lang.Exception: No Association found for name=Ass_main
    at org.mobicents.protocols.sctp.ManagementImpl.getAssociation(ManagementImpl.java:874)
    at org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl.loadActualData(M3UAManagementImpl.java:1067)
    ' ....
3474255 [AWT-EventQueue-0] ERROR org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Error setting Assciation=Ass_main for the AspFactory=testasp while loading from XML

java.lang.Exception: No Association found for name=Ass_main
    at org.mobicents.protocols.sctp.ManagementImpl.getAssociation(ManagementImpl.java:874)
    .....
22:51:53,642 ERROR [M3UAManagementImpl] Error starting the AspFactory=testasp while loading from XML
java.lang.NullPointerException
    at org.mobicents.protocols.ss7.m3ua.impl.AspFactoryImpl.start(AspFactoryImpl.java:178)
  
3474265 [AWT-EventQueue-0] ERROR org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Error starting the AspFactory=testasp while loading from XML
java.lang.NullPointerException
    at org.mobicents.protocols.ss7.m3ua.impl.AspFactoryImpl.start(AspFactoryImpl.java:178)
    ...
22:59:22,897 INFO  [M3UAManagementImpl] Started M3UAManagement

201604 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Started M3UAManagement
22:59:22,897 INFO  [M3UAManagementImpl] Removing allocated resources: AppServers=1, AspFactories=1
201604 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.m3ua.impl.M3UAManagementImpl  - Removing allocated resources: AppServers=1, AspFactories=1
22:59:22,898 INFO  [ManagementImpl] Added Associoation=Ass_main of type=CLIENT
201605 [AWT-EventQueue-0] INFO org.mobicents.protocols.sctp.ManagementImpl  - Added Associoation=Ass_main of type=CLIENT
22:59:22,899 INFO  [AssociationImpl] Started Association=Association [name=Ass_main, associationType=CLIENT, ipChannelType=SCTP, hostAddress=192.168.1.105, hostPort=8011, peerAddress=192.168.1.105, peerPort=8011, serverName=null, extraHostAddress=[]]
201606 [AWT-EventQueue-0] INFO org.mobicents.protocols.sctp.AssociationImpl  - Started Association=Association [name=Ass_main, associationType=CLIENT, ipChannelType=SCTP, hostAddress=192.168.1.105, hostPort=8011, peerAddress=192.168.1.105, peerPort=8011, serverName=null, extraHostAddress=[]]
22:59:22,900 INFO  [TesterHost] M3UA has been started

201607 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - M3UA has been started

22:59:22,900 INFO  [SccpStackImpl-TestingSccp] Starting ...
201607 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting ...
22:59:22,900 INFO  [SccpStackImpl-TestingSccp] SCCP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_management2.xml
201607 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - SCCP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_management2.xml
22:59:22,900 INFO  [RouterImpl] SCCP Router configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccprouter2.xml
201607 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.router.RouterImpl  - SCCP Router configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccprouter2.xml
22:59:22,901 INFO  [RouterImpl] Started SCCP Router
201608 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.router.RouterImpl  - Started SCCP Router
22:59:22,901 INFO  [SccpResourceImpl] SCCP Resource configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccpresource2.xml
201608 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpResourceImpl  - SCCP Resource configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/data/TestingSccp_sccpresource2.xml
22:59:22,901 INFO  [SccpResourceImpl] Started Sccp Resource
201608 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpResourceImpl  - Started Sccp Resource
22:59:22,901 INFO  [SccpStackImpl-TestingSccp] Starting routing engine...
201608 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting routing engine...
22:59:22,901 INFO  [SccpStackImpl-TestingSccp] Starting management ...
201608 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting management ...
22:59:22,901 INFO  [SccpStackImpl-TestingSccp] Starting MSU handler...
201608 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.sccp.impl.SccpStackImpl-TestingSccp  - Starting MSU handler...
22:59:22,902 INFO  [TesterHost] SCCP has been started

201609 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - SCCP has been started

22:59:22,902 INFO  [TCAPStackImpl-Simulator] Starting ...org.mobicents.protocols.ss7.tcap.TCAPProviderImpl@5c15ab70
201609 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPStackImpl-Simulator  - Starting ...org.mobicents.protocols.ss7.tcap.TCAPProviderImpl@5c15ab70
22:59:22,903 INFO  [TCAPStackImpl-Simulator] TCAP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/bin/Simulator_management.xml
201610 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPStackImpl-Simulator  - TCAP Management configuration file path /home/restcom0509/restcomm-smsc-7.3.153/tools/restcomm-jss7-simulator/bin/Simulator_management.xml
22:59:22,903 INFO  [TCAPProviderImpl] Starting TCAP Provider
201610 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPProviderImpl  - Starting TCAP Provider
22:59:22,903 INFO  [TCAPProviderImpl] Registered SCCP listener with address 8
201610 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tcap.TCAPProviderImpl  - Registered SCCP listener with address 8
22:59:22,903 INFO  [TesterHost] TCAP+MAP has been started

201610 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - TCAP+MAP has been started

22:59:22,903 INFO  [TesterHost] SMS Client has been started

201610 [AWT-EventQueue-0] INFO org.mobicents.protocols.ss7.tools.simulator.management.TesterHost  - SMS Client has been started

22:59:32,908 INFO  [SelectorThread] Association=Ass_main connected to=[/192.168.1.105:8011]
211615 [Thread-4] INFO org.mobicents.protocols.sctp.SelectorThread  - Association=Ass_main connected to=[/192.168.1.105:8011]
22:59:32,908 INFO  [AssociationHandler] New association setup for Association=Ass_main with 32 outbound streams, and 32 inbound streams.

211615 [Thread-4] INFO org.mobicents.protocols.sctp.AssociationHandler  - New association setup for Association=Ass_main with 32 outbound streams, and 32 inbound streams.

211616 [Thread-4] DEBUG org.mobicents.protocols.ss7.m3ua.impl.fsm.FSM  - FSM.name=testasp_LOCAL old state=DOWN, current state=UP_SENT Transition to=commup
211616 [Thread-4] DEBUG org.mobicents.protocols.sctp.AssociationImpl  -  messageInfo is null for Association=Ass_main
211616 [Thread-4] DEBUG org.mobicents.protocols.sctp.AssociationImpl  - Tx : Ass=Ass_main PayloadData [dataLength=16, complete=true, unordered=true, payloadProtocolId=3, streamNumber=0, data=
Start: 0 (0x00)  End: 15 (0x0F)  Length: 16 (0x10)
00: 01 00 03 01 00 00 00 10  00 11 00 08 00 00 00 09 | ........ ........
]
211616 [Thread-4] DEBUG org.mobicents.protocols.sctp.AssociationImpl  - Rx : Ass=Ass_main PayloadData [dataLength=16, complete=true, unordered=true, payloadProtocolId=3, streamNumber=0, data=
Start: 0 (0x00)  End: 15 (0x0F)  Length: 16 (0x10)
00: 01 00 03 01 00 00 00 10  00 11 00 08 00 00 00 09 | ........ ........


Congrats! you are done reading the lengthy piece of art.


Guide me where am I doing worng. Do you know any person who can guide us in this?

Thanks in advance

...

[Message clipped]  

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Nick Evangelou

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Oct 18, 2017, 3:52:39 AM10/18/17
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Hello,

I think this is the issue

"Started Association=Association [name=Ass_main, associationType=CLIENT, ipChannelType=SCTP, hostAddress=192.168.1.105, hostPort=8011, peerAddress=192.168.1.105, peerPort=8011, serverName=null, extraHostAddress=[]]"
You have set the SMSC server to operate as a CLIENT and your simulator as CLIENT too. When you are creating rules you must consider the relation between the server and your simulator. If SMSC is in client mode then the simulator must be in server mode and vise versa.

Try to set on simulator
  • SCTP role: SERVER
  • M3UA IPSP type: SERVER
I dont know anyone who can help you. Just be patient to reply to you someone from the developer crew.

Regards,
Nick

baymax Robo

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Oct 18, 2017, 4:46:39 AM10/18/17
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Thanks Nick for pointing out. But these are logs of ss7 terminal which means that ss7 simulator is starting as client. At smsc server i have setup association as server .

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baymax Robo

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Oct 18, 2017, 4:50:14 AM10/18/17
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my current configs are:

set on GUI

sctp server IP addr: 192.168.1.105

port: 8012

sctp association IP: 192.168.1.105

type: server

port: 8011


set on ss7 simulator (type client)

sctp local host: 192.168.1.105

port: 8015

sctp remote host: 192.168.1.105

port: 8011


please check the configs as attached in figure

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Nick Evangelou

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Oct 18, 2017, 5:03:22 AM10/18/17
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http://documentation.telestax.com/core/smsc/SMSC_Gateway_Admin_Guide.html#_running_the_gateway_simulator
These are the rules that the SMSC runs when it is started in simulator mode. Maybe you forgot to make any rule, and try to make something similar. I cant help any further.
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baymax Robo

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Oct 18, 2017, 5:19:40 AM10/18/17
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I have read this before. There's nothing of use in it. Btw, Thanks Nick for timely response.

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baymax Robo

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Oct 26, 2017, 5:25:44 AM10/26/17
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Thanks Nick, I have set up the connection. My findings are:


1) server type association defined at SMSC fails to build a successful connection
2) client type association defined at SMSC successfully builds a connection


I don't know the reason behind this cause but after lot of tries, the findings are concluded as above
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