Yealink Yealink SIP-T48G User manual

Quick Start Guide
www.yealink.com
Applies to firmware version 35.73.0.40 or later.
(V73.40)
Ultra-elegant Gigabit IP Phone
SIP-T48G

The following items are included in your package. If you find anying missing, contact your system administrator.
Assembling the Phone
Stand
Handset Cord
Handset
IP Phone
Ethernet Cable
Wall Mount BracketPower Adapter
10
Bluetooth USB Dongle BT40
Wireless Headset Adapter EHS36
The two wall mount slots are plugged up by
silica gel. You can pull out the silica gel when
mounting your IP phone to a wall.
（Optional）（Optional）
1
Quick Start Guide
Packaging Contents
Packaging Contents
Assembling the Phone
Note: The headset, Bluetooth USB dongle BT40 and wireless headset adapter EHS36 should be purchased
separately. The EXT port can also be used to connect the expansion module EXP40. For more information on
how to use the EHS36, EXP40 and BT40, refer to Yealink EHS36 User Guide, Yealink EXP40 User Guide
and Yealink Bluetooth USB Dongle BT40 User Guide.
2.Connect the handset and optional headset, as shown below:
1.Attach the stand,as shown below:
Note: For more information on how to mount the IP phone to a wall, refer to Yealink Wall Mount Quick Installation
Guide for SIP-T4X IP Phones.
Desk Mount Method
45

A
B
AC Power Option
PoE ( Power over
Ethernet ) Option
PC Connection
(Optional)
Power Adapter
(DC 5V)
PC Connection
(Optional)
IEEE 802.3af compliant
PoE Hub/Switch
Welcome
Initializing... Please wait
2
Startup
3.Connect the network and power, as shown below :
You have two option for network and power connections. Your system administrator will advise you on which one to use.
Note: If inline power (PoE) is provided,you don’t need to connect the power adaper.Make sure the hub/switch is
PoE-compliant.
After the IP phone is connected to the network and
supplied with power, it automatically begins the
initialization process. After startup, the phone is ready
for use. You can configure the phone via phone user
interface or web user interfafce.

Registering
Register status icons on the touch screen:
Registered Register Failed
(Green) (Gray) (Green and Flashing)
3
Configuring Your Phone
Configuring via web user interface
Accessing the web user interface:
1. Press the OK key when the phone is idle to get the IP address of the phone.
2. Open the web browser of your computer, enter the IP address into the address bar (e.g., "http://192.168.0.10" or
"192.168.0.10"), and then press the Enter.
3. Enter the user name (default: admin) and password (default: admin) in the login page and click Confirm.
Configuring via phone user interface
Network Settings:
When the phone is idle, tap ->Advanced Setting (default password: admin)->Network->WAN Port/VLAN/Web Server/802.1x/
VPN/ LLDP to configure the network.
Account Settings:
When the phone is idle, tap ->Advanced Setting (default password: admin)->Accounts to configure the account.
Note: Check with your system administrator if any error appears during the registration process or if a specific
configuration is required for your registration.
Note:
The wrong network settings may result in inaccessibility of your phone and may have an impact on the network
performance. Contact your system administrator for more information.
Account Settings: Click on Account->Register->Account X(X=1,2,3...15,16)
Parameters of the account:
Register Status:
Line Active:
Label:
Display Name:
Register Name:
User Name:
Password:
Server Host:
It is provided by ITSP for registration (required).
It is provided by ITSP for registration (required).
It is authenticated ID for authentication provided by ITSP (required).
It is shown as Caller ID when placing a call.
It is shown on the touch screen to identify the account.
You can select Enabled/Disabled to enable/disable the account.
It shows the register status of the current account.
Note: For more information on account parameters, refer to Configuring via web user interface.
Network Settings: Click on Network->Basic->IPv4 Config
You can configure the network settings in the following ways:
DHCP: By default, the phone attempts to contact a DHCP server in your network to obtain tis valid network settings,
e.g., IP address, subnet mask, gateway address and DNS address.
Static IP Address: If your phone can not contact a DHCP server for any reason, you need to configure the IP address
subnet mask, gateway address, primary DNS address and secondary DNS address for the phone
manually.
PPPoE: If you are using an xDSL modem, you can connect your phone to the Internet via PPPoE mode. Contact the
ITSP for the PPPoE user name and password.
It is provided by ITSP for registration (required).
The IP phone also supports IPv6, but IPv6 is disabled by default.

Placing a Call
Answering a Call
Ending a Call
Using the handset:
Using the speakerphone:
Using the headset:
Using the handset:
Using the speakerphone:
Using the headset:
Using the handset:
1. With the handset on-hook, press .
1. Pick up the handset.
2. Enter the number, and then tap the Send soft key.
1. With the headset connected, press to activate the headset mode.
2. Enter the number, and then tap the Send soft key.
2. Enter the number, and then tap the Send soft key.
Pick up the handset.
Press .
Hang up the handset or tap the End Call soft key.
Press .
Navigating the Touch Screen
To enter the main menu, tap .
To turn pages, tap or on the touch screen.
Entering and Updating Data
To enter data:
Tap the field you want to edit.
Tap the IME soft key to switch input modes.
Enter data using the keypad.
Tap the Save soft key.
To select a field option:
To select a soft key, tap the soft key.
To select an item, tap the item.
To scroll through values in a pull-down list, press or .
To return to the idle screen, tap .
To go back to the previous menu, tap .
4
Using Your Phone
Basic Call Features
1.
2.
3.
4.
Tap the field name, and then tap the field’s highlighted box. From the pull-down list, tap the desired option.
Note: During a call, you can alternate between the headset, hands-free speakerphone and handset modes by
pressing the HEADSET key, the Speakerphone key or by picking up the handset. Headset mode requires a
connected headset.
Note: You can reject an incoming call by tapping the Reject soft key.

5
Call Conference
Call Forward
To enable call forward:
Always Forward----Incoming calls are forwarded unconditionally.
Busy Forward----Incoming calls are forwarded when the phone is busy.
No Answer Forward----Incoming calls are forwarded if not answered after a period of time.
1. When the phone is idle, tap ->Features->Call Forward.
2. Select the desired forward type:
4. Tap the Save soft key to accept the change.
1. Tap the Conference soft key during an active call. The call is placed on hold.
Semi-Attended Transfer
Attended Transfer
Blind Transfer
Call Transfer
You can transfer a call in the following ways:
1. Press or tap the Transfer soft key during an active call. The call is placed on hold.
1. Press or tap the Transfer soft key during an active call. The call is placed on hold.
1. Press or tap the Transfer soft key during an active call. The call is placed on hold.
2. Enter the number you want to transfer to, and then press .
3. Press or tap the Transfer soft key when the second party answers.
2. Enter the number you want to transfer to, and then press .
3. Press or tap the Transfer soft key when you hear the ring-back tone.
3. Press or tap the Transfer soft key.
2. Enter the number you want to transfer to.
Call Mute and Un-mute
Call Hold and Resume
To place a call on hold:
To resume the call, do one of the following:
Press to mute the microphone during a call.
Press again to un-mute the call.
If there is only one call on hold, press or tap the Resume soft key.
Press or tap the Hold soft key during an active call.
Press twice when the phone is idle to dial out the last dialed number.
Using the speakerphone:
Using the headset:
Press or tap the End Call soft key.
Tap the End Call soft key.
Redial
Press to enter the Placed calls list, and then tap the desired entry.
3. Enter the number you want to forward to. For No Answer Forward, tap the pull-down list of After Ring Time, and
then tap the desired ring time to wait before forwarding from the After Ring Time field.
If there is more than one call on hold, tap the call you want to resume, and then press or tap the Resume
soft key.

Customizing Your Phone
Voice Message
Contact Directory
Volume Adjustment
To add a contact:
To edit a contact:
Call History
To delete a contact:
To listen to voice messages(Ensure the voice mail code is already configured on the phone):
Tap Send to call the entry.
Tap Add to add the entry to the local directory.
Press when the phone is idle to adjust the ringer volume.
Tap Delete to delete the entry from the list.
1. Tap and then tap the Connect soft key, or press .
2. Follow the voice prompts to listen to your voice messages.
1. When the phone is idle, tap , and then tap the desired call list on the left.
3. Tap after the desired entry, and then you can do the following:
1. When the phone is idle, tap , and then tap the desired group on the left.
2. Tap Add to add a contact.
1. When the phone is idle, tap , and then tap the desired group on the left.
1. When the phone is idle, tap , and then tap the desired group on the left.
3. Tap the OK soft key when the touch screen prompts “Delete the selected contact?”.
4. Tap the Save soft key to accept the change.
4. Tap the Save soft key to accept the change.
3. Enter a unique contact name in the Name field and contact numbers in the corresponding fields.
2. Tap after the desired contact.
2. Tap after the desired contact , and then tap Delete.
Tap Blacklist to add the entry to the blacklist.
3. Edit the contact information.
4. Tap the End Call soft key to disconnect all parties.
2. Enter the number of the second party, and then tap the Send soft key.
3. Tap the Conference soft key again when the second party answers. All parties are now joined in the conference.
Tap Edit to edit the phone number of the entry before placing a call.
2. Tap or , or press or to scroll to the desired page.
6
Customizing Your Phone
Message waiting indicator on the idle screen indicates that one or more voice messages are waiting at the message
center. The power indicator LED slowly flashes red.
Note: You can split the conference call into two individual calls by tapping the Split soft key.
Note: You can add contacts from call history easily. For more information, refer to Call History above.
Press during a call to adjust the receiver volume of the handset/speakerphone/headset.

About us
Founded in 2001, Yealink, the global TOP 3 SIP phone provider and a leading provider of VoIP Phone and IP communication
solutions, has been focusing on VoIP products characterized by reliable quality, easy deployment and affordable price for more
than a decade. Today, customers from over 140 countries rely on Yealink as the backbone of global collaboration to extend the
value of network communications.
More about Yealink
Since 2001, Yealink has continued to develop state-of-the art, hi-tech VoIP communication terminals that include IP video
phones, IP phones and USB phones. With a worldwide market in more than 140 countries, the company has also established
a first-class international service network.
Our priorities are quality, functionality, ease-of-use, customer support and competitive pricing. To provide new solutions for the
future in this fast-evolving sector, Yealink’s large, talented and highly-experienced VoIP R&D team is totally committed to the
pursuit of excellence.
To date, we have passed more than 80 interoperability tests and meet certification requirements set by leading VoIP system and
platforms. Yealink works in close partnership with T-Mobile, Telefonica, Portugal Telecom and other leading telecommunication
service providers.
YEALINK NETWORK TECHNOLOGY CO., LTD. Email: [email protected] Web: www.yealink.com