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I'm currently manage a p2p dialup network like this:

client computer==(ethernet)router Cisco 2500==(async port)modems----pstn----modem==dial-in server

All things run well except the connection rates between the client and server is only 9600. Anything above 9600 ain't stable, and require countless of retries to make a connection. But due to QoS, I must maintain the rate is at least 19200.

So how to achieve this? I checked the line quality, it's OK and can product good quality voice call. Do I need to check modems and cables?

Any ideas will be appreciated!

Dan Pritts
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Tiana987642
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1 Answers1

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Quick and easy, replace all the phone side cables. The serial cables between modem and router/dialin server are not related. If you have other modems to try, try them. But I doubt this is your problem.

More likely...is one side or the other on a PBX or VOIP or other digital phone system? If so, you may be at the limit. These systems are not designed to handle modem traffic.

If this is the case, your best recourse is to get a POTS line installed. Or, perhaps, to pony up for a real connection, although I understand in some cases the modem dialup may be preferable.

Dan Pritts
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