Redirect phone call, if caller entered a correct pin.

Hello,
i phone with lots of people in my buiseness, and many need to phone me and need my phone number. But i have often to change the number because of some mad people. And i can't block all the "anonymous" calls.

I'm looking for this solution:
- I have two numbers, one public and one private.
- Customer calls the public number and have to enter a pin on the phone keyboard.
- If the pin is correct, the call would be redirected to the private number.

What technic is required, without buying expensive high-end phone hardware?
The best solution would be an privider via internet. He gives me an public number, i can setup my pins and the provider redirects the call to my existing private number. so i doen't need special hardware at home. I coming from germany, so the solution should be usable here.

Greetings

German:

Titel: Anruf durchstellen durch eingabe eines Kennworts per Telefontastatur
Keywords: telefon, kennwort, passwort, durchstellen, weiterleiten

Hallo,
Da ich geschäftlich mit sehr vielen Leuten per Teleofn im Kontakt bin und ich vielen auch meine Nummer geben muss, möchte ich nur ungern regelmäßig meine Nummer ändern, wenn mal jemand am Rad dreht(sinngemäß "nervt").

Daher suche ich folgende Lösung:
- Es gibt zwei Nummer, eine öffentliche und eine geheime.
- Kunde ruft öffentliche Nummer an und muss per Telefontastatur ein persönliches Kennwort eingeben.
- Ist das Kennwort korrekt, so wird der Anruf intern auf die geheime Nummer umgeleitet.

Mit welcher Technik ist dies machbar, ohne mir jetzt ein hgih-end Telefonsystem zu beschaffen?
Am genialsten wäre es, wenn es dafür einen Telefonanbieter übers Internet gäbe. Ich registriere mich dort, bekomme die öffentlche Nummer zugewiesen, richte die möglichen Kennwörter ein und die leiten dann auf meine bestehende, geheime Nummer um. Ich brächte also keine spezielle Hardware bei mir aufstellen.

Lieben Gruß
MandaroxAsked:
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feptiasCommented:
You need to find a suitable "Virtual PBX" or Hosted PBX service. There is likely to be a monthly fee to use the service, but no equipment to purchase. Here is a link to a service based in Germany:
http://www.simply-connect.de/cms/

Viel Glück!
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