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Updated and Comprehensive VPN Guide
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Asanka Offline
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Post: #1
Updated and Comprehensive VPN Guide
Hi Guys,

Does anyone have any updated and comprehensive guide to setup OpenVPN 2.4.x and Yealink T23G/T4X phones on the latest firmware?

I've ventured into this some time ago and it was not pretty and had a lot of issues and different places have different information.

The VPN document by Yealink has a very outdated version of OpenVPN and I had issues getting the latest versions working with the advertised information.

If someone can give me the information from setting up the OpenVPN server on a linux platform to creating the Tar files and loading them on on to a handset, it would be much appreciated.

Regards,
Asanka

AsankG
Corp VoIP
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06-26-2017 07:00 AM
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Evan_Yealink Offline
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Posts: 127
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Post: #2
RE: Updated and Comprehensive VPN Guide
Dear Asanka,

Please kindly talk us what is your current version number ? (OpenVPN and Yealink Phone)

For your question, you can refer to the guide: OpenVPN_Feature_on_Yealink_IP_Phones_V81_71
and the latest firmware of Yealink T23G.

You can download the guide and .rom by link below:
http://ftp.yealink.com/?ShareToken=442FC...C7F29F0DCE

If there are any other questions, please feel free to contact with us.

Best Regards!
Evan You

Dear Asanka,

Please kindly talk us what is your current version number ? (OpenVPN and Yealink Phone)

For your question, you can refer to the guide: OpenVPN_Feature_on_Yealink_IP_Phones_V81_71
and the latest firmware of Yealink T23G.

You can download the guide and .rom by link below:
http://ftp.yealink.com/?ShareToken=442FC...C7F29F0DCE

If there are any other questions, please feel free to contact with us.

Best Regards!
Evan You
(This post was last modified: 06-27-2017 01:59 AM by Evan_Yealink.)
06-27-2017 01:57 AM
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Asanka Offline
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Posts: 18
Joined: Jun 2015
Reputation: 0
Post: #3
RE: Updated and Comprehensive VPN Guide
Hi Evan,

I want to use OpenVPN 2.4.3. All phones will be using firmware version 81.0.70 or later.

The document you listed has very old versions of software listed and some instructions do not work on the latest versions.
  • OpenVPN 2.1.4 (2013)
  • LZO 2.02 (2005)
  • OpenSSL 1.0.0e (2011)

It would be great if you could update your documents using the latest versions and there were many bugs/vulnerabilities that were fixed along the way and some instructions in your document do not work with the latest versions.

Regards

AsankG
Corp VoIP
[Image: Exetel-Logo.png]
06-27-2017 02:16 AM
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Evan_Yealink Offline
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Posts: 127
Joined: Mar 2017
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Post: #4
RE: Updated and Comprehensive VPN Guide
Dear Asanka,

We are sorry that there was something wrong with the latest firmware of Yealink T23G, it was test version in that link, please kindly download the latest firmware from our official website:
http://support.yealink.com/documentFront...umentId=18
And you can refer to the guide: OpenVPN_Feature_on_Yealink_IP_Phones_V81_72 (attachment)

We started using openvpn 2.2.x for the firmware version V80 or later, similarly, compatible with openvpn 2.1.4. If you want to use some new features, we recommend use openvpn 2.2.x for firmware version 81.0.70 or later.

It is a pity that our openvpn version files have not been updated to 2.4.x, but I will feedback to our DP and R&D, if there is reply, I will inform you the first time.

For your question,
Q:The document you listed has very old versions of software listed and some instructions do not work on the latest versions
A:Can you describe the phenomenon that do not work on the latest cersions?

Try to use the version(2.2.x) of openvpn for phone, and still can’t work. Please kindly send email to support@yealink.com

By the way, you want to use openvpn 2.4.3, is there any features need?

Sorry for all the inconvenience.

Best Regards!
Evan You


Attached File(s)
.pdf  OpenVPN_Feature_on_Yealink_IP_Phones_V81_72.pdf (Size: 785.58 KB / Downloads: 3)
06-28-2017 02:45 AM
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Evan_Yealink Offline
Administrator
*******

Posts: 127
Joined: Mar 2017
Reputation: 0
Post: #5
RE: Updated and Comprehensive VPN Guide
Dear Asanka,

We are sorry that there was something wrong with the latest firmware of Yealink T23G, it was test version in that link, please kindly download the latest firmware from our official website:
http://support.yealink.com/documentFront...umentId=18
And you can refer to the guide: OpenVPN_Feature_on_Yealink_IP_Phones_V81_72 (attachment)

We started using openvpn 2.2.x for the firmware version V80 or later, similarly, compatible with openvpn 2.1.4. If you want to use some new features, we recommend use openvpn 2.2.x for firmware version 81.0.70 or later.

It is a pity that our openvpn version files have not been updated to 2.4.x, but I will feedback to our DP and R&D, if there is reply, I will inform you the first time.

For your question,
Q:The document you listed has very old versions of software listed and some instructions do not work on the latest versions
A:Can you describe the phenomenon that do not work on the latest cersions?

Try to use the version(2.2.x) of openvpn for phone, and still can’t work. Please kindly send email to support@yealink.com

By the way, you want to use openvpn 2.4.3, is there any features need?

Sorry for all the inconvenience.

Best Regards!
Evan You


Attached File(s)
.pdf  OpenVPN_Feature_on_Yealink_IP_Phones_V81_72.pdf (Size: 785.58 KB / Downloads: 2)
06-28-2017 02:48 AM
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Evan_Yealink Offline
Administrator
*******

Posts: 127
Joined: Mar 2017
Reputation: 0
Post: #6
RE: Updated and Comprehensive VPN Guide
Dear Asanka,

We are sorry that there was something wrong with the latest firmware of Yealink T23G, it was test version in that link, please kindly download the latest firmware from our official website:
http://support.yealink.com/documentFront...umentId=18
And you can refer to the guide: OpenVPN_Feature_on_Yealink_IP_Phones_V81_72 (attachment)

We started using openvpn 2.2.x for the firmware version V80 or later, similarly, compatible with openvpn 2.1.4. If you want to use some new features, we recommend use openvpn 2.2.x for firmware version 81.0.70 or later.

For your question,
Q:The document you listed has very old versions of software listed and some instructions do not work on the latest versions.
A:Can you tell us that which the instructions did not work on the latest versions in detail, and what is wrong with that "do not work" ?

It is a pity that our openvpn version files have not been updated to 2.4.x, but I will feedback to our DP and R&D, if there is reply, I will inform you the first time.

Try to use the version of openvpn(2.2.x) for phone, and still can’t work. Please kindly send email to support@yealink.com

By the way, you want to use openvpn 2.4.3, is there any features need?

Sorry for all the inconvenience.

Best Regards!
Evan You


Attached File(s)
.pdf  OpenVPN_Feature_on_Yealink_IP_Phones_V81_72.pdf (Size: 785.58 KB / Downloads: 10)
06-28-2017 03:39 AM
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