User Guide for the SIP-T40P IP Phone 
2 
Hardware component instructions of the SIP-T40P IP phone are: 
Shows information about calls, messages, soft keys, time, 
date and other relevant data: 
• Default account 
• Call information—caller ID, call duration 
• Icons (for example,          ) 
• Missed call text or second incoming caller information 
• Prompt text (for example, "Saving config file!") 
• Time and date 
Indicates call status, message status and phone’s system 
status: 
• Receives an incoming call—Fast-flashing 
• Receives a voice mail or text message—Slow-flashing 
Use these keys to activate up to three accounts and assign 
various features. 
Label automatically to identify their context-sensitive 
features. 
Scroll through the displayed information. 
Confirms actions, answers incoming calls. 
Cancels actions, rejects incoming calls. 
Toggles the headset mode. 
Redials a previously dialed number. 
Toggles the hands-free (speakerphone) mode. 
Adjusts the volume of the handset, headset, speaker or 
ringer. 
Provides the digits, letters and special characters in 
context-sensitive applications. 
Provides hands-free (speakerphone) audio output. 
• Picking up the handset from the handset cradle, the 
hookswitch bounces and the phone connects to the line. 
• Laying the handset down on the handset cradle, the phone 
disconnects from the line. 
Secures the handset in the handset cradle when the IP phone 
is mounted vertically. For more information on how to adjust 
the hookswitch tab, refer to 
Yealink Wall Mount Quick 
Installation Guide for Yealink IP Phones
.