More computers needed X-Lite soft phones installed and all the computer systems in the AT&T RM110J needed to be configured for installation of the soft /hard phones. Some programming was done to add extension files and routing of calls on the both soft and hard phones.

Details for Configuring X-Lite Soft Phone
Display Name: whatever the user wants to add.
Username: 10 digit phone number, including area code
Authorization User: same as username(above)
Password: VoIP Password
Domain/Realm: iinetphone.iinet.net.au
SIP Proxy:sip.state.iinet.net.au
Outbound Proxy: Never
Register: Always

SIP Extensions
The Session Initiation Protocol (SIP) is a flexible yet simple tool for establishing interactive communications sessions across the Internet.SIP has been proposed as a solution for numerous problems, including mobility, configuration and call control. [10] The primary purpose of SIP is to allow a request initiator to deliver a message to a recipient wherever they may be.

Grandstream phones where used as the hard phones to assist in successfully configuring the soft phones in ROOM 110J. [11]