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Multiple OpenVPN connections needed
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briankelly63 Offline
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RE: Multiple OpenVPN connections needed
(07-08-2013 11:54 PM)caldwell Wrote:  I need to know if Yealink has developed the ability to have more than one OpenVPN connection per phone.

We have users who have Yealink phones for business use. They are multi-line phones.

They need line #1 to go to VOIP server #1. VOIP Server #1 is behind a firewall. The only way to connect to VOIP Server #1 is by using an OpenVPN connection.

They need line #2 to go to VOIP server #2. VOIP Server #2 is behind a DIFFERENT firewall. The only way to connect to VOIP Server #2 is by using a DIFFERENT OpenVPN connection.

Without the ability to have multiple OpenVPN connections, these phones become SINGLE LINE phones.

How can we overcome that limitation?

Does Yealink have a solution?

There is a fair amount of information on the internet relative to OPENVPN and multiple servers however it tends to be related to having access to multiple servers for redundancy purposes. I think you'd be bumping up against OPENVPN and phone limitations. Even if you get access to multiple servers by specifying them in the vpn.cnf - .opvn file the phone is still going to be served or have access to only one IP address at a time.

The type of thing you want to do is normally address via the OPENVPN servers configuration which could send packets to multiple VOIP servers behind the firewall which may be on multiple subnets.

There are few phones that do VPN and less that do OPENVPN so finding one that can operate as almost a separate phone (per line button) is a tall order.

Another solution is to essentially add a specially configured "router" or run a Pfsense - OPENVPN server at each of the locations that need to use one of the phones.

A raspberry PI for example can run OPENVPN....

Perhaps someone else will comment on an alternate solution.
(This post was last modified: 07-10-2013 07:07 AM by briankelly63.)
07-09-2013 01:03 AM
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RE: Multiple OpenVPN connections needed - briankelly63 - 07-09-2013 01:03 AM

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