Cannot compile smscgateway - missing dependency - version 154 smpp-extensions

Is this a BUG REPORT or FEATURE REQUEST?
/kind bug

What happened:
Cannot compile smscgateway from source.
mvn clean install issues error:

Failed to execute goal on project mproc-api: Could not resolve dependencies for project org.mobicents.smsc:mproc-api:jar:7.4.0-SNAPSHOT: Failed to collect dependencies at org.restcomm.smpp:smpp-extensions:jar:7.1.0-154: Failed to read artifact descriptor for org.restcomm.smpp:smpp-extensions:jar:7.1.0-154: Could not transfer artifact org.restcomm.smpp:smpp-extensions:pom:7.1.0-154 from/to mobicents-public-repository-group (https://oss.sonatype.org/content/groups/public)

What you expected to happen:

Compilation runs without errors.

How to reproduce it (as minimally and precisely as possible):
[usr]$ git clone https://github.com/Restcomm/smscgateway.git
[usr]$ cd restcomm-smscgateway
[usr]$ git checkout
[usr]$ mvn clean install

Anything else we need to know?:
There is no version 154 of SMPP-extesions published.
https://oss.sonatype.org/content/groups/public/org/restcomm/smpp/smpp-extensions/

Probably this is the root cause.

Environment:

• Restcomm SMSC Gateway version (from startup logs):
  N/A
• Cloud provider or hardware configuration:
  N/A
• OS (e.g. from /etc/os-release):
  N/A
• Kernel (e.g. uname -a):
  N/A
• Deployment method (e.g. application server version + config + method):
  N/A
• Others:
  None.

[bwangGitHub]

Somehow the version of smpp is not supported by maven. I fixed it by changing the version of smpp in pom.xml. However, after I compiled it, it still missing JBOSS server config.

I

Somehow the version of smpp is not supported by maven. I fixed it by changing the version of smpp in pom.xml. However, after I compiled it, it still missing JBOSS server config.

I moved arround by cloning smpp extension repo locally and compiling version 154, then I modified pom to use local repo.

But there is another issue during compilation which I am about to post here later.