Remote Extension S (Video) – Cisco 9971 IP Phone User Guide 
Version 2.0                                               © WTT HK Limited 2017 
2  Quick Installation Procedures 
 
Remote Extension offers an IP Phone for you to setting up in non-coverage 
remote offices or homes. You can enjoy the voice service same as the office 
such as the extension dialing. Follow below steps to connect the IP Phone to 
a DHCP (Dynamic Host Configuration Protocol) broadband. 
 
A. Footstand Installation 
 
1.  Insert the curved connectors into the lower slots. 
2.  Lift the footstand until the connectors snap into the upper slots.