What should I do if Wi-Fi calling cannot work through TP-Link wireless router?
Deco W3600(2-pack) , Archer C1200 , Archer C5400 , Deco E3(3-pack) , Deco X20 , Archer C4 , Archer C5 , Deco M1300 , Archer AX10 , Archer C2 , Archer C59 (EU) , Archer AX96 , Deco X25 , Deco E4(1-pack) , Deco Voice X50 , Deco M9 Plus(1-pack) , Deco S7(1-pack) , Archer C80 , Deco X60(3-pack) , Deco W6000 , Archer AXE95 , Archer C8 , Archer AX10000 , Archer C9 , Archer C6 , Archer C7 , Archer AX90 , Deco X3600 , Archer C5400X , Archer A20 , Deco X5700(1-pack) , Archer C60 , Deco M5(3-pack) , Archer A1200 , Archer C64 , Deco M4(2-pack) , Deco S4(2-pack) , Deco AC1200(2-pack) , Deco M1300(1-pack) , Deco W7200 , Deco P9 , Deco X68(1-pack) , Deco P7 , Deco P9(2-pack) , Deco X20-DSL , Archer C59 , Archer C58 , Deco E4(3-pack) , Archer AX4200 , Archer C3200 , Archer A2 , Archer AX75 , Archer AX73 , Deco X20-4G , Archer A10 , Archer C50 , Archer C55 , Archer C54 , Deco S7 , Deco S4 , Archer AXE75 , Deco M4(1-pack) , Archer A6 , Archer A7 , Archer AX72 , Archer A5 , Deco X20(2-pack) , Deco X90 , Deco M3(3-pack) , Archer A8 , Archer A9 , Deco W2400 , Archer AX68 , Archer AX5300 , Deco X96 , Deco E4(2-pack) , Archer C4000 , Deco W6000(2-pack) , Deco X20(1-pack) , Deco M9 Plus , Deco M3(2-pack) , Archer AXE300 , Archer AX1500 , Archer AX60 , Deco P9(3-pack) , Deco M3W , Archer AX3000 , Deco M1300(3-pack) , Deco W3600 , Archer A2600 , Archer AX55 , Archer C5200 , Archer AX53 , Deco X68 , Archer AX51 , Archer C50 V3.0 , Archer C5 V4 , Archer A2200 , Deco M5(1-pack) , Deco X5700 , Deco S4(3-pack) , Deco M4(3-pack) , Deco XE5300 , Archer C3150 , Archer AX50 , Archer C20 V4 , Deco M5 , Deco M4 , Deco XE75 , Deco M3 , Archer AX6000 , Archer C25 , Deco X20(3-pack) , Archer C24 , DecoX5700 , Deco X50-4G , Deco X25(1-pack) , Deco E3(2-pack) , Deco W2400(2-pack) , Archer A64 , Archer C2600 , Archer C21 , Archer C20 , Archer C2 V3 , Archer AX1800 , Deco M9 Plus(3-Pack) , Deco Voice X20 , Deco X73-DSL , Deco X60(2-pack) , Archer AX206 , Deco X60(1-pack) , Deco X68(1 pack) , Deco 5G , Deco M5 Plus , Archer C900 , Archer AX4400 , Archer C3000 , Deco P7(2-pack) , Archer C50
Recent updates may have expanded access to feature(s) discussed in this FAQ. Visit your product's support page, select the correct hardware version for your device and check either the Datasheet or the firmware section for the latest improvements added to your product.
Note: Make sure your Internet Service Provider provides you with Wi-Fi calling service and the Phone has Wi-Fi calling option available in settings. If you cannot find any Wi-Fi calling option on your Phone, please contact the manufacturer to verify whether your Phone supports Wi-Fi calling or not.
Step 1. Check if you are running the latest Firmware for the TP-Link router.
If you’re unsure which firmware version you are running, you can download the latest firmware from TP-Link Website. About how to upgrade the firmware, please refer to How to Upgrade the Firmware on the TP-Link Wi-Fi Routers (New Logo)?
Step 2. Disable SIP ALG.
On the wireless router, You may go to Advanced > NAT Forwarding > Uncheck "Enable SIP ALG" > click on Save.
On the deco, refer to the FAQ How to Disable SIP ALG on Deco?
Step 3. Reserve the IP Address for the Smartphone on the TP-Link router. You may refer to How to configure Address Reservation on Wi-Fi Routers (new logo)?
For deco, refer to the FAQ How to configure Address Reservation with Deco?
Step 4. Enable Port forwarding for UDP port 500 (IKE2) and port 4500 (IPsec Nat Traversal). Please refer Port forwarding: how to set up virtual server on TP-Link wireless router?
For deco, refer to the FAQHow to set up Port Forwarding feature on the Deco?
For Example: - To open port 500, please enter the details below.
Internal Port: 500
Internal IP: IP Address reserved for the Smartphone
External Port: 500
Protocol: ALL
(Optional) Step 5. Enable Port Trigger entries for UDP port 500 (IKE2) and port 4500 (IPsec Nat Traversal).
Refer to the screenshot below to enable Port Trigger.
Step 6. Now, try to connect the Smartphone to the TP-Link router Wi-Fi and make calls over Wi-Fi.
If you still cannot use Wi-Fi calling after following above instructions, please contact TP-Link technical support with the information below:
1. Country and ISP that provides Wi-Fi calling.
2. Screenshots of above settings which you have set on TP-Link router.
3. Phone model and OS. (Test with Android and IOS phones if possible)
4. Details of the problem. The Wi-Fi calling icon doesn’t display? Or not able to dial on Wi-Fi?
5. Hardware and firmware version of TP-Link router.
Get to know more details of each function and configuration please go to Download Center to download the manual of your product.
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