[OpenSIPS-Users] Opensips/Rtpengine Docker to Docker Swarm

julien.royannais at orange.com julien.royannais at orange.com
Fri Jul 29 10:17:45 UTC 2022

Hi there,

I successfully use a containerized SBC with Opensips/Rtpengine on a single virtual machine with a docker engine.
I need to do it on a Docker Swarm context. I can't manage to set up this Opensips/RTP SBC in this SWARM context.

On a single VM with docker, the container has only one network interface. Network is easy to configure for container and server.

Docker SWARM brings an overlay network, instead of the host network, and each container has several networks interfaces.

It gets complicated, Opensips container is not reachable from a Sip Phone, like microsip.

Do you have a solution or a feedback to give me ?

Thanking you.

The Opensips and Rtpengine configurations are as follows:

opensips.cfg (version 3.2)

  *   alias=udp:CONTAINER_IP:5060
  *   alias=udp:VIRTUAL_MACHINE_IP:5060
  *   advertised_address=VIRTUAL_MACHINE_IP
  *   advertised_port=5060
  *   socket=udp:


  *   OPTIONS="$OPTIONS -i internal/${CONTAINER _IP} -i external/${CONTAINER _IP}"


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