User guide

[iaxy_school]
register
Assume that your local DHCP server assigns the IP address 192.168.46.100 to the IAXy. Then, from
the Asterisk console run the following command:
#asterisk -r <ENTER>
#CLI> iax2 provision 192.164.46.100 iaxy_school
An alternative to use Asterisk to provision the IAXy is available for Windows users.
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Image 8: The Primary school is connected to the Telecentre using a twisted pair cable (Ethernet). An ATA box
running IAX2 is used to connect an analogue phone to the telephony system.
7.2.4 Farmers' Association
The fourth client in the network is the Farmers' Association, which is located 20 km from the Central
Office (PBX). They have two computers already connected to the Telecentre by means of a wireless
NAT. The wireless NAT has the IP address 192.168.46.5 and also serves an internal network
(10.10.46.0/24).
The most challenging configuration is going to be the SIP softphone. To ensure that bidirectional audio
works properly with SIP we need to do the following:
In the softphone:
• Enable registration.
• Enable keep-alive packets.
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36. The Windows client to provision IAXy is available at http://dacosta.dynip.com/asterisk
37. Keep-alive packets are “empty” packages that ensure that the NAT is open for receiving calls.
Page 30 TRICALCAR | www.wilac.net/tricalcar – Version: February 2008