If all lines use the same trunk, make sure that the trunk has insecure=port in the trunk settings! If not lines 2-4 may not ring into the system. Generally, the GXW-4104 will send out all calls in accordance with your round-robin settings (see below), by using the highest numbered line in the round robin first.Ĭh SIP User ID Auth. This means that your PBX will have one trunk, and the GXW-4104 will decide which line to send calls out. Set the phone # settings as follows:Ĭhoice #2: If you want all phone lines to come in and go out on a single trunk. If you don’t have caller ID, you should change this to 1, so that your calls are delivered more quickly (i.e., ch1-4:1 ).Ĭhannels Tab (at top of configuration screen):Ĭhoice #1: If you want each phone line to have its own trunk, you can set-up four different trunks in FreePBX, and then set-up each outbound route to specify which lines get which outgoing calls in which order. If a caller ID is delivered, the system will stop waiting and pass the call immediately. Normally, Caller ID is delivered between the first and second rings, and so 2 rings should be sufficient. Note: This is the number of rings that the system will wait to receive a Caller ID before passing the call along. If you want all calls to be routed the same way on all lines, you could put the same number for each channel and then just create one inbound route (i.e. In the PBX, you will set-up inbound routes with these numbers listed as your DID. NOTE: These are the phone numbers that the GXW-4104 will send to your PBX to identify which phone # is ringing when a call comes in. I changed this because I sometimes have a delay before getting a dial-tone. Note: This entry changes the amount of time that the GXW-4104 will wait after picking up the phone and before dialing out. Min Delay Before Dialing Out: ch1-4:1300 With a PBX, you’ll normally want one-stage dialing.ģ. Note: This entry sets up the GXW-4104 to use 1-stage dialing. AC Termination Impedence: (This entry comes from the FXO Line Test, above. Configure the GXW-4104 for use with your PBX.įXO Lines Tab (at top of configuration screen):ħ. When finished, uncheck all boxes, update, and reboot.ĥ. You can skip any line that is not connected. Ten minutes later, repeat the sequence by unchecking Test 1 on Line 1 and checking Test 1 on Line 2, and then on Line 3, Line 4, etc. The test results should show up on the “FXO Lines” tab under AC Termination Impedence. Under “Test Parameters,” click “Yes” to the right of “Apply test results automatically.” Click Update. Do this test after you connect all of your phone lines. Doing this test will substantially reduce any echo that you may experience on the lines. You’ll generally want to perform an FXO Impedence test on every line that is connected. Change the default Admin password and configure auto updating:įirmware Server Path: Time Zone: GMT -8:00 (US Pacific Time,Los Angeles) (Change these to give the GXW-4104 a unique IP address on your system and to match the IP address of your router and your preferred DNS Servers). Do so by changing the following settings: You’ll generally want to assign the GXW-4104 to a static IP address. They're still there, but you'll have to hunt for them. NOTE: Due to firmware changes made by Grandstream since this guide was written, the options listed below have been reorganized into different locations. The default password is “admin” (without the quotes). Log-inĪccess the GXW-4104’s web interface by typing it’s IP address into a browser on the same network. These instructions are written assuming that you'll use the GXW-4104, but the same instructions will apply to the GXW-4108. The GXW-4108 allows you to connect up to 8 phone lines. The GXW-4104 allows you to connect up to four phone lines. The phone company can set-up multiple phone lines in a rotation, so that if one is busy, the call will ring in on the next available line. However, you can use FreePBX/Asterisk to conference separate lines together to make a conference calls. You will not be able to use call waiting or three way calling from the phone company to have more than one call on a single phone line. Each line can support one telephone call. The Grandstream GXW-410x devices are inexpensive devices that allow you to connect ordinary phone lines to a FreePBX/Asterisk phone system and use those phone lines to make and receive calls.
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