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1608 through open vpn tunnel

1608 through open vpn tunnel

1608 through open vpn tunnel

I have a 1608 phone on IP Office 9.0.4 that is going to the main system via vpn tunnel (open vpn currently but have tried other vpns too). 2 Ubiquity ER lites are doing the connection.

Previously (a couple years ago) the phone worked fine then the customer moved their remote office and the hardware sat and was recently reconnected. The firmware on the routers was updated (maybe a mistake). Now the first router gets the RAS gatekeeper request but it doesn't reach the second router. All the usual ALG etc stuff is off.

A 9608 phone works fine (so much easier to use!). Looks like it sends the same requests but they get a response.

Any ideas? I am supposed to try and keep the 1608 phone here if possible.

The phones at the main site are the same and have no issue. Another working 1608 was brought and had same issue.


RE: 1608 through open vpn tunnel

I guess the question is what is different about the packets the 1608I sends from the packets the 9608 sends?

RE: 1608 through open vpn tunnel

IMHO the 1600 series phones are crap due to being cheap.
The problem still may be the VPN though because the 1600 phones can't do NAT while the 9600's can and that may be the reason why they work.

Joe W.

FHandw, ACSS (SME)

"This is the end of the world, make sure to buy your T-shirt before it is too late"
Original expression of my daughter

RE: 1608 through open vpn tunnel

I'd look at packet sizes and check the MTU across the VPN.

Fragmentation may be handled differently by the handsets

Take Care

I have always wished that my computer would be as easy to use as my telephone.
My wish has come true. I no longer know how to use my telephone.

RE: 1608 through open vpn tunnel

Thanks guys. I'll take a look at those things...

RE: 1608 through open vpn tunnel

I ended up just replacing with a 9608 since I wasn't given much time to work on it. Probably we won't install these 1608 phones across vpn connections anymore.

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