User Guide for T4 Series IP Phones
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pressing the Speakerphone key, the HEADSET key, the OK key or the
Answer soft key, and end the call by hanging up the handset,
pressing the Speakerphone key, the End Call (EndCall) soft key or the
Cancel key.
For the SIP-T48S/T48G IP phone, the phone lock consists of the following:
LCD screen and all keys are locked except Volume key, digit keys, # key, * key, HEADSET key and
Speakerphone key. You are only allowed to dial emergency numbers, reject incoming calls by
pressing the Cancel key or tapping the Reject soft key, answer incoming calls by lifting the
handset, pressing the Speakerphone key, the HEADSET key, the OK key or tapping the Answer
soft key, and end the call by hanging up the handset, pressing the Speakerphone key, Cancel
key or tapping the End Call (EndCall) soft key.
Emergency Number
Public telephone networks in countries around the world have a single emergency telephone
number (emergency services number), that allows a caller to contact local emergency services
for assistance when necessary. The emergency telephone number may differ from country to
country. It is typically a three-digit number so that it can be easily remembered and dialed
quickly. Some countries have a different emergency number for each of the different emergency
services. The emergency number setting, if desired, must be made before lock activation. For
more information, refer to Configuring the Emergency Number.
Activating the Phone Lock
Procedure:
1. Navigate to Menu->Basic->Phone Lock.
For the SIP-T42S/T42G/T41S/T41P/T40G/T40P IP phone, navigate to
Menu->Settings->Basic Settings->Phone Lock.
2. Enter the desired PIN (default PIN: 123) in the Unlock PIN field, and then press OK.
For the SIP-T48S/T48G IP phone, tap Save.
3. Select Enabled from the Lock Enable field.
4. Select a desired type from the Lock Type field (except the SIP-T48S/T48G IP phone).
5. Enter the desired interval between 0 and 3600 (seconds) of automatic phone lock in the
Auto Lock field.
If it is set to 0, the phone will not be automatically locked. You need to long press # key to
lock it when the phone is idle.
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General
Weight and Dimensions
