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QUICK START GUIDE

1

Cisco Model SPA 303 Quick Start Guide

Welcome

Thank you for choosing the Cisco Small Business IP phone. This guide describes how to install your phone and how to perform some  
basic tasks.

1

 Installing Your IP Phone  

Use this procedure to install the phone and connect it to your network.

Do not insert a telephone line cord into the port marked “AUX”.

Step 1. 

Turn the phone body over to expose the ports on the back of 
the unit.

Step 2. 

Insert one end of the phone cord into the slot marked with a 
phone symbol (the Handset Port). Insert the other end into the 
jack at the bottom of the handset (not shown). 

Step 3. 

(Optional) Connect the desk stand by lining up the tabs on  
the desk stand with the slots on the back of the phone. Slide the 
bottom tabs into the slots and lightly press down on the top of 
the desk stand. It should easily slide into the top slots.  
Do not force.

Step 4. 

If you are using an external power source, plug one end of the power cord into the building’s power outlet and insert the other end of 
the power cord into the phone base.

Step 5. 

Connect your phone to the network using an Ethernet Connection. Insert one end of the Ethernet cable into the network port on  
the phone body marked “SW.” Insert the other end of the Ethernet cable into the appropriate device, such as a network switch, on 
your network. 

Step 6. 

(Optional) To provide network access to a PC, connect one end of an additional Ethernet cable (not provided) to the PC port on the 
back of the phone body. Connect the other end of the Ethernet cable to the network port on your PC. 

Step 7. 

(Optional) To install the phone on a vertical surface, use the Cisco MB100 Wall Mount bracket. See the Cisco Small Business IP Phone 
SPA 50X User Guide (SIP) or the Cisco Unified Communications Manager Express for the Cisco Small Business IP Phone SPA 50X 
documents on 

www.cisco.com

 for more information. The

 Where to Go From Here

 section contains links to the documentation area 

on 

www.cisco.com

.

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