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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

host=5.10.112.121
type=friend
insecure=port,invite
;Add your codec list here.
; Note: Use "ulaw" for US only, "alaw" for the rest of the world.
allow=ulaw,alaw,g729
dtmfmode=rfc2833

host=5.10.112.122
type=friend
insecure=port,invite
;Add your codec list here.
; Note: Use "ulaw" for US only, "alaw" for the rest of the world.
allow=ulaw,alaw,g729
dtmfmode=rfc2833

host=119.81.44.6
type=friend
insecure=port,invite
;Add your codec list here.
; Note: Use "ulaw" for US only, "alaw" for the rest of the world.
allow=ulaw,alaw,g729
dtmfmode=rfc2833

host=119.81.44.7
type=friend
insecure=port,invite
;Add your codec list here.
; Note: Use "ulaw" for US only, "alaw" for the rest of the world.
allow=ulaw,alaw,g729
dtmfmode=rfc2833

host=169.60.141.29
type=friend
insecure=port,invite
;Add your codec list here.
; Note: Use "ulaw" for US only, "alaw" for the rest of the world.
allow=ulaw,alaw,g729
dtmfmode=rfc2833

host=169.60.141.30
type=friend
insecure=port,invite
;Add your codec list here.
; Note: Use "ulaw" for US only, "alaw" for the rest of the world.
allow=ulaw,alaw,g729
dtmfmode=rfc2833

Outbound configuration

host=sip.nexmo.com
  type=friend
  insecure=port,invite
  qualify=yes
  ;Add your codec list here.
  ;Note: Use "ulaw" for US only, "alaw" for the rest of the world.
  allow=ulaw,alaw,g729
  dtmfmode=rfc2833

  username=<key>
  fromuser=<long_virtual_number>
  secret=<secret>

  Register String
  <key>:<secret>@sip.nexmo.com

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
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