Planning, installing, set up CAPI/SIP system

Currently we are using a CAPI Software to recive up to 30 channel ISDN/PMX incomming/outgoing calls at the same time to provide premium services to this customer.

Here is a small plan:

-> user calls 0900xxxx

-> behind that 0900xxxx is a local german number for example: 0210xxxx

-> a PMX is handling up to 30 channels of calls at the same time

-> routing all traffic to our windows server with 30 channel CAPI based ISDN card

-> a CAPI based windows software is taking all calls

Now we want to change all this to an SIP/VOIP routing.

The plan is to do the following:

-> our network provider sends SIP protocol like this sample:

1.) The caller 02212601500 sends it`s number by calling 01801234:

INVITE sip:491801234@YOUR_URL;user=phone SIP/2.0

From: 492212601500 <sip:492212601500@OUR_URL;user=phone>;tag=ACU-73cd66ea-89c79008

To: 491801234 <sip:491801234@YOUR_URL;user=phone>

2.) The caller 02212601500 doesn`t sends it`s number by calling 01801234:

INVITE sip:491801234@YOUR_URL;user=phone SIP/2.0

From: 492212601500* <sip:492212601500*@OUR_URL;user=phone>;tag=ACU-73cd66ea-89c79008

To: 491801234 <sip:491801234@YOUR_URL;user=phone>

-> we are reciving that SIP by using an VOIP linux or other system

-> this VOIP system is proving a CAPI interface for the current CAPI call software to handle the phone traffic.

Your job is to do:

- planning and structure of this project

- installing and testing

We will provide you with:

- all SIP info and testing support from our network partner

- with current CAPI CALL software

- with VOIP plattform

- live test environment

- ICQ/skype contact

Please only bid if you have experience in CAPI/SIP systems. I don`t want to waste your and my time!

If there is any question regarding that project please contact me by PM.




Habilidades: Serviços de audio, Eletrônica, Engenharia, Gestão de projetos, Área de trabalho do Windows

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Acerca do Empregador:
( 0 comentários ) Oberwil b. Zug, Switzerland

ID do Projeto: #168855

5 freelancers estão ofertando em média $86 para esse trabalho


I can develop the necessary CAPI-SIP connection. Also I am good in project planning and scheduling. Please provide more details on the project! At this time my estimate is seriously higher than the budget range. Having Mais

$100 USD in 30 dias
(0 Comentários)

This is a big undertaking: your budget will not get you what you want. See PMB for my proposed solution.

$100 USD in 2 dias
(0 Comentários)

If I understand correctly this solution needs to emulate isdn, and turn sip signalling into capi calls. Budget should be at least fifty fold.

$100 USD in 30 dias
(0 Comentários)

It is possible to implement it on linux platform in these terms. If you'll need support it will be extra fee.

$100 USD in 14 dias
(0 Comentários)

hi sir, i know this work and i can do it. Please give a chance.

$30 USD em 1 dia
(0 Comentários)