How to use two OBI110 as a Local Area Network Intercom
Rick:
I guess I'm missing something. If you have no internet connection, then the OBi is providing no function - it simply allows you to use your PSTN line, which you could do without it.
If your goal is simply to call room A from room B with an intercom, virtually every wireless phone system on the market allows you to PAGE one handset from another.
Shale:
Quote from: Rick on July 28, 2013, 05:20:58 am
I guess I'm missing something. If you have no internet connection, then the OBi is providing no function - it simply allows you to use your PSTN line, which you could do without it.
If your goal is simply to call room A from room B with an intercom, virtually every wireless phone system on the market allows you to PAGE one handset from another.
I think this system is passing the conversations digitally over the LAN rather than over the PSTN line. It may provide more range than a wireless phone, depending on things.
The form factor of a phone may fit some environments better.
azrobert:
Quote from: glfruta on July 27, 2013, 09:06:00 pm
one thing I noticed is that every time I picked up the handset of the receiving phone I had to wait for around 6 seconds before being able to hear the calling phone.
I don't know of any parameter on the OBi110 that would cause this behavior.
I have two OBI110s and I can call between them without any delay.
If your router has option SIP ALG, disable it. SIP ALG is known to cause weird problems on the OBI.
If this fails try connecting the OBi110s to the router in your office just to see if it works.
Pinky:
Thanks for the great info azrobert....
I'm looking to do something very similar to this with two Obi100s. Do you know how to configure the Obis to emulate a 2 wire leased line? While this hotline ringdown configuration is very close to what I want, it's not quite it. I basically need the OBis to automatically connect to each other without ringing and have it not matter
which side went off hook first.
I'm looking to connect a couple modems through the Obis to provide an IP connection for some legacy devices which require synchronous serial. While synchronous serial over IP devices do exist, they are quite spendy.
Thank you in advance!
Just for future searching ability, I'd like to add the following so people can find this thread: automatic ringdown line, automatic ring down line, lease line, leased line.
Shale:
Quote from: Pinky on July 29, 2013, 03:07:46 am
I'm looking to connect a couple modems through the Obis to provide an IP connection for some legacy devices which require synchronous serial. While synchronous serial over IP devices do exist, they are quite spendy.
Presuming the setup conection works, if those are 300 baud, I suspect that would work. I suspect 2400 baud would not work, but I am not sure. I don't have a guess for 1200 baud.
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