dial-up connection through voipwise or skype tunnel

Hi,
I want to ask you, if it's possible to dial-up connection through voipwise or skype, where these programs would act as a software modem. I'm able to ring on phone number where is hardware modem sitting and I can hear series of whistles, so I'm wondering if there is something what I can use to make modem connection to other side.

Thanx for advise.

Welcome to Voipuser.

Normally you would dialup to an ISP and log in. You would then start up a SIP client and log into the Voip provider to make the call. I used dialup for voip for several years - it worked but not always very well. You can still make calls through some voip providers using this method but you need to select a low bandwidth audio codec. With a good fast dialup connection calls can be very good but dont expect good video as well.

siginigin :

Hi, I want to ask you, if it's possible to dial-up connection through voipwise or skype, where these programs would act as a software modem. I'm able to ring on phone number where is hardware modem sitting and I can hear series of whistles, so I'm wondering if there is something what I can use to make modem connection to other side. Thanx for advise.

it may be possible if you are using G711 codec and are on a fast clean internet connection. i tend to suspect that voipwise may not be suitable though. you would want to be using as VOIP provider that uses the full G711 codec without an compression; it also depend on the quality of all the links between your modem and the SIP provider that you do not have substantial packet loss; it also could be dependent on the way the call is terminated to its destination. although theoretically possible it may not be the ideal situation.

why not just test it? make sure you set your ATA to a non-compressed codec(g711) and start with the lowest modem speed.

i believe there may be services very similar to fax by email services that are specially designed for this type of connection; but i am not aware of any specific service at this time.

Have a look at the modem and tell us the maker and model number.

You need a high compression codec like G729 (requires about 48 kb/s just OK for a good acoustic modem if that is what you have). Best to find out what you have first.

dibsmft :

Have a look at the modem and tell us the maker and model number. You need a high compression codec like G729 (requires about 48 kb/s just OK for a good acoustic modem if that is what you have). Best to find out what you have first.

i think that the original question is not about using voip over dialup but rather about calling into a dialup connection using voip as the phone line.

satphoneguy :

i think that the original question is not about using voip over dialup but rather about calling into a dialup connection using voip as the phone line.

yes, exactly, this is what I want to do. Is it possible or should I stop hoping?

btw thanx for answers.

I think that this essentially what is done when you send a fax to a conventional fax machine over pstn. There is a difference, the modem is acoustic audio while the voip call is originally digital and gets converted to normal audio when sent down the pstn phone line which is what the modem uses. The quality of the audio singnal is often not good enough for fax. You can use use two modems to transmit slow serial data from one computer to another so I suppose voip could be used to carry the audio. What is it that you are really hoping to do and what is the modem device?

dibsmft :

I think that this essentially what is done when you send a fax to a conventional fax machine over pstn. There is a difference, the modem is acoustic audio while the voip call is originally digital and gets converted to normal audio when sent down the pstn phone line which is what the modem uses. The quality of the audio singnal is often not good enough for fax. You can use use two modems to transmit slow serial data from one computer to another so I suppose voip could be used to carry the audio. What is it that you are really hoping to do and what is the modem device?

Hi, sorry for my delay,
Imagine situation like this: Im my work I have Cisco AS53000 router and an account on it. This router is connected to telecommunication provider and has its own phone number, for ex. +123905123456. This Phone number is accessible from Skype with credit or VOIPWise for free. I want use skype or voipwise as a replacement for real modem. maybe it is similar to PPPoE protocol but unfortunately I have no experiences with it.
It'd be good for me if I were able to dial my workrouter's phone number and establish a modem connection between my pc and remote router. Solutions like VPN impossible to implement due restrictions in my work's network (net administrator will not give me access rights).
I'm thinking to build my own application that will install a virtual modem driver and connect it with skype or voipwise API.

I hope I explained it sufficiently

Thanx for answer.

Yes, I think I can see what you are hoping to do.

It is, of course, exactly the kind of thing that your administrator would want to prevent.

SIP protocol uses UDP packets and is not very suitable for sending data. Skype uses its own closed protocol but I think it is a relative of SIP with the voice packets encrypted. Why do you need to get to your work network?

Your administrator might allow you to use an ssh login that will allow you to do most things. VNC to your own computer might be possible.

siginigin :

I want to ask you, if it's possible to dial-up connection through voipwise or skype, where these programs would act as a software modem.

I am not sure what exactly you want to accomplish here. Let me try to understand this. You have a friend who has a broadband Internet connection and a VoIP line, i.e. Vonage, (no PSTN line) on his premises. You want him to configure a dial-in server so that your computer can connect to his dial-in server through his VoIP line. This way, you are hoping your computer can be on Internet. If this is what you want, then it is doable, but not very efficient. Both your friend ATA device and his VoSP must support a T.38 Data/FAX CoDec. Honestly, I don't know how fast can you achieve with this connection.

There are solutions that allow remote access to computer through all sorts of corporate firewalls. most tunnel through browser or email ports(80 and 443). you would install software on your work PC that connects to a proxy; you would than connect also to that proxy from home. if you google 'remote access through corporate firewalls' i am sure you will find dozens of solutions. all you which would be far more reliable than data over VOIP.

i certainly would not recommend violating any company policies. so you should seek approval from your IT department before using any solution like this kind.

satphoneguy :

There are solutions that allow remote access to computer through all sorts of corporate firewalls. most tunnel through browser or email ports(80 and 443). you would install software on your work PC that connects to a proxy; you would than connect also to that proxy from home. if you google 'remote access through corporate firewalls' i am sure you will find dozens of solutions. all you which would be far more reliable than data over VOIP.

If I understood correctly, that is not what the OP wants.