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Re: [Linphone-users] TCP & udp protocols

From: Richard Cooke
Subject: Re: [Linphone-users] TCP & udp protocols
Date: Sun, 5 Sep 2021 18:36:36 -0400

Yes. Linphone can use TLS or SSL encryption with TCP. Not something usually done with UDP.

However, encryption will not help you if somebody is blocking the Phone Company ports. If your phone company supports a special port number, use that.

Also VPN would encrypt everything AND bypass port-blocking.

Richard Cooke
(Sent from my iPhone)

On Sep 5, 2021, at 5:58 PM, Trent Creekmore <> wrote:

And I gave you the answer in my response


From: Linphone-users <> On Behalf Of Waleed Moussa
Sent: Sunday, September 5, 2021 2:16 PM
Subject: Re: [Linphone-users] TCP & udp protocols


I ask about the tcp and udp if Linphone can encrypt it

On Sunday, September 5, 2021, Trent Creekmore <> wrote:

It can be done with TLS, but more than likely the ports are blocked, not the protocol.


Best to use a VPN.



On 9/5/21 12:47 PM, Waleed Moussa wrote:

Is it possible to encrypt the tcp and udp protocols too?

On Saturday, September 4, 2021, Trent Creekmore <> wrote:




The National Telecommunications Regulatory Authority in Egypt denied blocking any VoIP applications, but users are facing difficulties to make calls through them without VPN.


I knew of a person with a SIP telephone. They had to install OpenVPN client to get VoIP functioning in Egypt

On 9/4/21 11:23 AM, Waleed Moussa wrote:



For your information, In my country Egypt, both of UDP and TCP ports aren’t work, when I’m trying to login to my Linphone client.




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