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Setting up the VoIP SIP phone 28
SmartLink 4050 Series Getting Started Guide 2 • Installing the SmartLink SIP Phone
5. Press . Use the numeric keypad to enter the router IP address
DNS Server IP
The domain name system (DNS) is the way that Internet domain names are located and translated into Inter-
net Protocol addresses. There is probably a DNS server within close geographic proximity to your ISP that
maps the domain names in your Internet requests or forwards them to other servers in the Internet.
1. Press .
2. Use the numeric keypad to enter the DNS server IP address
SNTP Server IP
Simple Network Time Protocol (SNTP) is a protocol used to help match your system clock with an accurate
time source. If you do not know your SNTP Server IP, please ignore this section. SNTP Server IP address can
be URL or IP address format.
1. Press .
2. Use the numeric keypad to enter the SNTP server IP or URL address
Do Not Disturb
This setting allows the user to reject all incoming phone calls.
1. Press .
2. Use or to select ENABLE or DISABLE
Call forwarding
CF (call forward) Unconditional
Enable CF Unconditional to forward all the incoming calls to another number. Otherwise set to disable.
Note You will need to use a web-browser to input the forwarded phone number.
Refer to chapter 3, “Using the configuration menu” on page 32 for more
information on call forwarding.
1. Press .
2. Use or to select ENABLE or DISABLE