Telnet Client Linux and Mitel Remote

[dschartung]

I have our ancient Mitel NuPoint Messenger/Baypoint VM attached to a serial to ethernet converter. I can telnet to the machine fine, but I'm getting double carriage returns every time I hit enter key. Sames goes for the letters. The menu system is just letter-based, so if I hit (M) to modify a mailbox I get M twice. Its very annoying. The only thing that works is going to the console to make changes.

I am using the Linux telnet client and just running it like this.
$ telnet 10.0.0.10 4098

I tried to toggle crlf but that has no effect.

Any help is appreciated.

 

[MitelInMyBlood]

What Telnet Client are you using? If you're using a terminal emulator, such as Procomm, etc., check its terminal config to turn Character Echo OFF.

 

[kwbMitel]

If you are seeing double digits and the VM is responding as if only one was received then you have character echo turned on somewhere.

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Occam's Razor - All things being equal, the simplest solution is the right one.