Installation Instructions: utilizes network authentication protocols for the security of your account. You may click here to acquire your authentication information.


The following instructions are for manual configuration and setup of the Linksys RT31P2-NA Broadband Router with 2 Phone ports. The RT31P2 must indicate as having No Affiliation with a VoIP carrier by having the -NA designation trailing the model number.

  1. Connect an Ethernet cable from the Internet to the Internet Port.
  2. Connect one end of another Ethernet cable to either port 1, 2, or 3. Then connect the other end of the same Ethernet cable to the PC.
  3. Connect one end of the RJ-11 cable to from your telephone to the router’s Phone1 port.
  4. Connect the included power adapter to the Router’s Power port, and then plug the power adapter into an
    electrical outlet. The Power LED on the front panel will light up when the adapter is connected properly.
  5. Reboot the PC to obtain a valid DHCP IP address from the Linksys RT31P2-NA.
  6. In an internet browser, type the default LAN IP address:
    The following dialogue box will appear.
  7. Enter the default User Name: admin
  8. Enter the default Password: admin
  9. Basic Internet Setup. On the Basic Setup screen, enter the Internet connection settings provided by your ISP. If you do not have this information, you can call your ISP to request the settings. Once you have the setup information for your specific type of Internet connection, then you can configure the RT31P2-NA Router for internet connection.For more information on router setup, visit the Linksys RT31P2’s User Guide Here.
  10. To begin the RT31P2’s VoIP setup select the Voice button.
  11. Enter an RTP range from 10000 to 20000 (no commas):
  12. Select the Line1 button and enter the parameters as shown below (sample data numbers inserted as example only).

  13. Choose an appropriate Voice Quality setting by selecting a corresponding Codec setting.
    • G711u offers the bestSound Quality
    • G729 offers very good Sound Quality
  14. Click Save Settings at the bottom of the page. The page will return in 8 seconds and the Phone 1 LED on the device will illuminate to indicate that the device is registered.
  15. Check for dial tone and enjoy the service brought to you by

NOTE: cannot provide full technical support for BYOD devices. The BYOD option is intended for technically advanced users. can not provide full technical support for these devices. If your device is not working as expected, you may need to contact the device manufacturer for technical support.

You will need to find the NTP server settings in the voice tab and set it to so that it will get the correct time everytime the phone registers. You will also need to enter your sip settings so that you can use the phone adapter.

1) Click on the voice tab

2) on the right, click on admin login

3) on the top beside basic view, click on advanced view,

4) click on the System tab

primary ntp secondary ntp

5) click on the regional tab and scroll down to find the TIME ZONE and set it to your time zone.
Eastern is GMT -5:00, Central is GMT-6:00, Mountain is GMT -7:00, and Pacific is GMT -8:00

6) Click on the “Line 1” Tab. Scroll down until you see Proxy on the right side. In the box, type

7) For this step you will need to get the Sip Account Settings from your account manager

8) Directly halfway down the page, there is Display name. on the left of this there is User ID. Put the username you retrieved in step seven (7) here; put the password from step seven in the password box, of course, which is directly under display nameand Select no in the box next to  use Auth ID

You may use any NST time server you wish. These are the default ones on your computer.

If you’re using the adapter behind a NAT and have a problem receiving incoming calls, you will need to specify a STUN server.

1) Click on the SIP tab

At the bottom:

2) STUN Enable: Yes

3) STUN Test ENable: Yes

4)  the Stun server i’m using is

The stun server tells your router what your public Ip address is to register with the SIP server. you can search the net for more stun servers if this one ever goes down; this is an anonymous login one. Some others require you to login.

If You’re NOT using a NAT firewall in front of the adapter, PLEASE set RESTRICT SOURCE IP to YES (you can on a NAT to if you want but has no effect). This keeps people with x-lite and other softphone applications from calling you by IP address – unless you want this to be possible. It will also keep them from impersonating the sip server which can lead to problems if they really wanted to hack the routing of your calls.

ADMINISTRATORS: The stun server not being specified in your customer’s adapters MIGHT be why some are having problems receiving calls!!!

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