compose.freeswitch.yml

services:
  freeswitch:
    image: docker.io/rocketchat/freeswitch:latest
    restart: always
    environment:
      EXTERNAL_ADDRESS_FQDN: ${VOIP_DOMAIN:?}
      FREESWITCH_PASSWORD: ${FREESWITCH_PASSWORD:-}
      RTP_START_PORT: ${VOIP_RTP_START_PORT:-20000}
      RTP_END_PORT: ${VOIP_RTP_END_PORT:-20046}
      ACCEPT_EXTERNAL_CALLS: false
      USE_LEGACY_ARCH: false
      DRACHTIO_DOMAIN: ${DRACHTIO_DOMAIN:-drachtio}
      DEBUG_MODE: ${VOIP_DEBUG_MODE:-false}
      INTERNAL_NUMBER_EXPRESSION: ${VOIP_INTERNAL_NUMBER_EXPRESSION:-^(\d{4})$} # expression used to validate if a dialed number is a valid internal extension
      INTERNAL_DIALPLAN_INTERNAL_NUMBER_BRIDGE_STRING: ${VOIP_INTERNAL_BRIDGE_STRING:-sofia/internal/$${dialed_extension}@$${domain_name}} # string used to bridge an internal call
    expose:
      - "5060/udp"
    ports:
      - ${VOIP_RTP_START_PORT:-20000}-${VOIP_RTP_END_PORT:-20046}:${VOIP_RTP_START_PORT:-20000}-${VOIP_RTP_END_PORT:-20046}/udp