I have a teleworker using a SPA525G2 with the latest firmware to our UC540.
He is able to connect via other ISP's both wired and wireless.
When he attaches his phone to the internet via his Verizon FIOS ActionTech MI242WR-Gen2 modem/router, and then launches the VPN, everything appears normal.
After he makes a call, he can hear the first few seconds of audio once the person answers. After that, its almost like the router is interpreting incoming packets as a DOS attack and after a period, the phone displays "network error" and reboots.
The person the teleworker calls can hear the teleworker the whole time.
When the teleworker phone does reboot. The teleworker phone sometimes crashes the UC540 as well.
The teleworker is on 192.168.1.1 (a different subnet than the UC540).
The teleworker has set his IP phone at 192.168.1.10 as the DMZ in his router.
All other rules and firewall settings have been disabled.
HI Recently I have perched 10 Cisco SG350 28 port gigabit poE switches for my running project . I would like to create my data and voice vlan in the same port where the PC will connect with the phone set.i configured my Dhcp on mikrotik cloud core ro...
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This document is attempt to recreate content of original document created by famous @Patrick Born. Cisco has considered to destroy such valuable document for an unknown reason.Cisco SPA series phones and ATAs can use certificate-authenticated HTTPS (SSL) ...
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