Routr is a lightweight sip proxy, location server, and registrar that provides a reliable and scalable SIP infrastructure for telephony carriers, communication service providers, and integrators.

Table of Content

Community
Features
Example Configuration
Deployment
- Docker
- Kubernetes
- Gitpod
Documentation
Sponsors
Contributing
License

Community

We are building Routr in the open. The best to communicate with us via GitHub Discussions.

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Features

Routr's main features are:

To learn more, read the documentation. 📚

The official handbook

This handbook is designed to provide a detailed understanding of the innovative features, challenges, and opportunities that Routr presents in the realm of programmable SIP Servers.

Get the eBook.

Programmable, cloud ready, open source

Give a Star! ⭐

If you like this project or plan to use it in the future, please give it a star. Thanks 🙏

Example configuration

Consider a situation where you want to deploy the server and send all PSTN traffic to a conference room in Asterisk. For such a scenario, you must configure a Peer to present your feature server and a Number to route calls from the PSTN.

First, start by creating a Peer configuration for your Asterisk server similar to the following one:

apiVersion: v2beta1
kind: Peer
ref: peer-01
metadata:
  name: Asterisk (Media Server)
spec:
  aor: backend:conference
  username: asterisk
  credentialsRef: credentials-01
  loadBalancing:
    withSessionAffinity: true
    algorithm: least-sessions

Notice that the loadBalancing section sets the withSessionAffinity to true. We need session affinity to ensure that all calls related to the conference arrive on the same Asterisk server. Every Asterisk server that registers using the asterisk username will be grouped under the backend:conference Address of Record (AOR).

Next, we need to tell Routr to map all inbound calls from a given Number to the conference room in Asterisk. For that, we use the aorLink and sessionAffinityHeader on the desired Number. Here is an example:

apiVersion: v2beta1
kind: Number
ref: number-01
metadata:
  name: "(706)604-1487"
  geoInfo:
    city: Columbus, GA
    country: USA
    countryISOCode: US
spec:
  trunkRef: trunk-01
  location:
    telUrl: tel:+17066041487
    aorLink: backend:conference
    sessionAffinityHeader: X-Room-Id
    extraHeaders:
      # Appends the X-Room-Id header to all inbound calls
      - name: X-Room-Id
        value: jsa-shqm-iyo

The last scenario is one of the many possible scenarios you can accomplish with Routr (v2). Please spend some time getting familiar with the configuration files.

Deployment

Instant Server deployment with Docker and Compose

For a quick demo of Routr, follow the next two steps:

Clone the repository and run the server

git clone https://github.com/fonoster/routr
docker-compose up

Connect to Routr using Zoiper or another softphone

In the config/resources, you will find the domains.yaml and agents.yaml files. Those files contain the configuration to run a simple local network with two SIP Agents (John and Jane).

Kubernetes

Routr can be installed in Kubernetes using Helm. The following instructions assume that you have a Kubernetes cluster up and running. If you don’t have one, you can use Minikube or Docker Desktop to create a local cluster.

First, add the Helm repository:

helm repo add routr https://routr.io/charts
helm repo update

Then, create a namespace for Routr:

kubectl create namespace sipnet

Next, install Routr with the following command:

helm install sipnet routr/routr-connect --namespace sipnet

Finally, wait a few minutes for the pods to start. You can check the status of the pods with the following command:

kubectl get pods -n sipnet

You should see a list of pods and their status. If you see the status Runnning, then you are ready to go.

For a more detailed explanation please refer to the chart's readme.

Deploying in development mode with Gitpod

Routr's one-click interactive deployment will familiarize you with the server in development mode.

To connect to your instance, follow these steps:

First, add your public SSH-keys to your Gitpod account by going to Gitpod account keys and adding your public key.

Next, find your Gitpod workspace and click on the "More" button. Then, select "Connect via SSH."

Finally, copy the SSH Command and run it in your terminal by pasting it and pressing Enter. The command should look like this:

ssh -L 5060:localhost:5060 <workspace-ssh-connection>

Replace with your own workspace SSH connection.

For example, your command might look like this:

ssh -L 5060:localhost:5060 fonoster-routr-mn8nsx0d9px@fonoster-routr-mn8nsx0d9px.ssh.ws-us90.gitpod.io

This command forwards traffic from your local port 5060 to your Gitpod workspace's port 5060, allowing you to access your instance.

Bugs and Feedback

For bugs, questions, and discussions, please use the Github Issues

Contributing

For contributing, please see the following links:

Sponsors

We're glad to be supported by respected companies and individuals from several industries.

Find all our supporters here

Become a Github Sponsor

Authors

Pedro Sanders

License

Copyright (C) 2023 by Fonoster Inc. MIT License (see LICENSE for details).

License

kanimaru/routr

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