USG20W-VPN Firmware 4.60 Blocks iPhone WiFi Calling Port 4500
Options
SierraTech
Posts: 30 Freshman Member
Yesterday I upgraded from FW 4.38 to 4.60 on USG20W-VPN. Ever since doing so, I can no longer make or receive WiFi calls on iPhone.
The logs show Source Address xxx.xxx.xxx.xxx:4500 and my destination Address xxx.xxx.xxx.xxx:1028 "ACCESS BLOCK".
I did not look at this UDP port in logs on earlier firmware, but according to documents the following Ports must be able to pass:
These ports need to be open for wi-fi calling: 143/tcp, 500/udp, and 4500/udp
How do I open these ports so I can make and receive WiFi calls on iPhone. I have no coverage for Verizon, and I don't want to roll back to 4.38 (still in alternate FW space).
Any suggestions? I don't want to assign a Fixed IP address on my iPhone either.
0
All Replies
-
{destination Address xxx.xxx.xxx.xxx:1028 "ACCESS BLOCK"}
The destination Address was the WAN Public IP. Forgot to mention this......
0 -
Did you face this issue with default configuration?
Disable firewall, the issue disappear? you may try to test with other phone see if face the same issue.
0
Categories
- All Categories
- 398 Beta Program
- 2.1K Nebula
- 116 Nebula Ideas
- 78 Nebula Status and Incidents
- 5.1K Security
- 52 USG FLEX H Series
- 247 Security Ideas
- 1.3K Switch
- 70 Switch Ideas
- 907 WirelessLAN
- 34 WLAN Ideas
- 5.9K Consumer Product
- 211 Service & License
- 332 News and Release
- 71 Security Advisories
- 21 Education Center
- 5 [Campaign] Zyxel Network Detective
- 1.9K FAQ
- 880 Nebula FAQ
- 415 Security FAQ
- 221 Switch FAQ
- 195 WirelessLAN FAQ
- 46 Consumer Product FAQ
- 137 Service & License FAQ
- 34 Documents
- 34 Nebula Monthly Express
- 73 About Community
- 63 Security Highlight