User Guide for T4 Series IP Phones 
194 
Procedure: 
On the SIP-T48S/T48G 
IP phone: 
• Tap the line key 2. 
• Tap Answer. 
• Tap the incoming 
call item. Press the OK 
key or tap Answer. 
Secretary phone stops ringing. 
The original call is placed on hold. 
The icon indicators of the line key 1 on boss 
phone and secretary phone becomes          and 
solid indicating that there is the held call on the 
line key 1. The icon indicators of the line key 2 
on boss phone and secretary phone becomes   
        and solid indicating that there is an active 
call on the line key 2. 
On other IP phones: 
• Press the line key 2. 
• Press Answer. 
• Press the down 
navigation key to 
access the new call. 
Press the OK key or 
Answer. 
Secretary phone stops ringing. 
The original call is placed on hold. 
The LED indicators of the line key 1 on boss 
phone slowly flashes green and secretary 
phone slowly flashes red indicating that there is 
the held call on the line key 1. The LED 
indicators of the line key 2 on boss phone 
glows green and secretary phone glows red 
indicating that there is an active call on the line 
key 2. 
On the SIP-T48S/T48G 
IP phone: 
• Tap the line key 2. 
• Press the OK key or 
tap Answer. 
Boss phone stops ringing. 
The icon indicators of the line key 2 on boss 
phone and secretary phone becomes          and 
solid indicating that there is an active call on 
the line key 2. Meanwhile, the icon indicators of 
the line key 1 on boss phone and secretary 
phone becomes          and solid indicating that 
there is the held call on the line key 1. 
On other IP phones: 
• Press the line key 2. 
• Press the OK key or 
Answer. 
Boss phone stops ringing. 
The LED indicators of the line key 2 on boss 
phone glows red and secretary phone glows 
green indicating that there is an active call on 
the line key 2. Meanwhile, The LED indicators of 
the line key 1 on boss phone glows green and 
secretary phone glows red indicating that there 
is an active call on the line key 1. 
Note 
If the number of incoming calls is greater than the configured line keys, the line keys will be used 
by sequence circulation. 
Downloaded from ManualsNet.com search engine