FreePBX

Below we provide example configurations for using Vonage's SIP service with FreePBX.

Visit the Vonage Knowledge Base to obtain the current list of IP addresses.

Inbound configuration

Outbound configuration

PJSIP configuration

For PJSIP configuration use the following information:

Configuration item Value
Authentication Outbound
Registration None
SIP Server sip.nexmo.com
Username API Key
Secret API Secret
From Domain sip.nexmo.com
DTMF Mode RFC4733
Codecs ulaw, alaw, g729