EnableX Programmable Voice API: Initiating Outbound Calls to Bridge Two Calls

This example contains instructions how users can initiate Outbound Calls to bridge two calls.

Pre-requisite

• You will need Enablex Application credentials, APP ID and APP KEY. To find credentials, register with EnableX (https://portal.enablex.io/cpaas/trial-sign-up/).
• You will need a place for hosting this application either cloud or local machine.

Installation

• git clone https://github.com/EnableX/voice-bridge-call.git
• cd voice-bridge-call
• npm install

Setting up configurations using environment variables

Mac/Linux

• Set APP ID and APP KEY. It is required configuration.
  • export ENABLEX_APP_ID=
  • export ENABLEX_APP_KEY=

Windows

• Make a file with name ".env" in root directory . And copy content of .env.example in .env file . Then set the environment variables manually in .env file. And below are the environment variables.
  • ENABLEX_APP_ID, ENABLEX_APP_KEY

EnableX outbound number https://portal.enablex.io/projects/dashboard/voice/phone-numbers/

Mac/Linux

• Use any outbound number you have setup. Set without (+). Example - 3197010240003

  • export ENABLEX_OUTBOUND_NUMBER=

• Set port. Default port is set to 5000. It is an optional configuration.

  • export SERVICE_PORT=

• Set to run the service on http / https (false / true)

  • export LISTEN_SSL=

Windows

• In that .env file set these variables SERVICE_PORT, LISTEN_SSL and ENABLEX_OUTBOUND_NUMBER.

SSL Certificate (Self Signed or Registered). It is required configuration if LISTEN_SSL is set to true.

Mac/Linux

• Make a directory called certs on the root of the project
  • mkdir certs
• Change to certs directory
  • cd certs
• Create and Install certificates
  • sudo openssl req -nodes -new -x509 -keyout example.key -out example.crt -days 365 -subj '/CN=example.com/O=My Company Name LTD./C=US'; cat example.crt > example.ca-bundle
• use the certificate .key [self signed or registered]
  • export CERTIFICATE_SSL_KEY=
• use the certificate .crt [self signed or registered]
  • export CERTIFICATE_SSL_CERT=
• use the certificate CA[chain] [self signed or registered]
  • export CERTIFICATE_SSL_CACERTS=
• switch to the root of the project
  • cd ..

Windows (Use Git Bash)

• Make a directory called certs on the root of the project - mkdir certs
• Change to certs directory
  • cd certs
• Create and Install certificates
  • openssl req -nodes -new -x509 -keyout example.key -out example.crt -days 365
  • cat example.crt > example.ca-bundle
• In .env file update these variables if you have changed the path of key, crt and ca-bundle files CERTIFICATE_SSL_KEY, CERTIFICATE_SSL_CERT and CERTIFICATE_SSL_CACERTS, else ignore this step.
• switch to the root of the project
  • cd ..

Starting the client application script

• To start the service,
  • node client-bridge-call.js