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New Member

IP Softphone in a dialup link

Can the Cisco IP Softphone to be operated on a PC linked to the main call manager site via dial-up asynch analog modem link ( with speed of 28.8K ) ?

2 REPLIES
New Member

Re: IP Softphone in a dialup link

Yes I've had success with a 28.8 connection using SoftPhone however you should only be using the client and not running email or other programs. Also there is no doubt a delay in both ends receiving audio. I've also learned from another peer that if you are at a considerable distance from the Centeral Office the audio may be useless. You need to select "Always use low bandwidth codec" in the audio setting (at least on version 1.3.1. As you are probably aware Cisco does not support dialup.

New Member

Re: IP Softphone in a dialup link

Thanks for the reply.

Need a little clarification on not supporting dialup.

Is it not supporting dialup within the softphone application ?

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