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Ive got customers using wifi calling behined a XG230
They are complaining of speech dropping out over wifi calls.
fault finging in looking at the wifi of course,
but ref the router diagnosis, I see outbound VPN from the phones on ports 4500 to ip addresses 22.214.171.124 & 126.96.36.199
Ive made a outbund rule just to monitor those WAN ip's and call it WIFIcalling
Any better ideas on how to monitor, can i get a application signature for this ?
I am not sure how this Wifi Calling actually works.
Is it a SIP Application? Port 4500 sounds funny.
In reply to LuCar Toni:
nice article thanks, ill extend udp yes
for ref, i cant find anythign official on vodafone wifi calling
here are T mobile & AT&T's support docs on the subject.