On peut être passionné par la téléphonie et prendre soin de soi : "Faites du sport, faites du vélo" est la devise du site d'e-commerce lancé par l'un des auteurs de Panoramisk : bikeo. Si vous faites du vélo, que ce soit en ville, sur la route ou sur les chemins plus accidentés, n'hésitez pas à aller faire un petit tour sur www.bikeo.fr pour vos prochains achats verts.
En plus leur plate-forme de téléphonie utilise Asterisk, comme quoi on peut la convergence est une réalité.

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1. Do you already have a telephony system?
2. Is your IP network ready for voice?
3. Do you have analog equipment or lines?
4. Is your voice installation split on multiple location?
5. Are you using wireless phones on your system?
6. Do you need a call billing feature?
7. Are you planning an outsourcing process of the telephony system?
8. Does telephony needs to be linked to computer systems?
9. Are you planning to exchange voice over IP traffic with telcos or partners?
10. Are you using a call-center?
11. Are you monitoring or recording your phone calls?
12. Are you using a automated call system?

5- Are you using wireless phones on your system?

Mobility is a feature allowing a user to move with his phone on the site. This is a very interesting feature since a user not present at his desk could continue to place calls and be reachable. The two main variables in mobility design are the number of users and the site coverage; we can for example only cover a small portion of the site or give the service to only few users.

On a traditional system the radio layer (wireless is using radio waves) mainly used is DECT. This system is using digital transmission for quality and requires radio coverage through specific antennas and dedicated phones. The invest cost is high most of the time but quality is really good and integration is full for most of the PBX vendor’s solutions.

Moving towards IP telephony doesn’t suppress the mobility requirement; but DECT over IP systems are not largely available and Wi-Fi solution is not ideal. Wi-Fi protocol has been designed for data transport but not targeting real-time, for example each frame is acknowledged which is not useful in voice transport (for more information see “Voice over IP and Wi-Fi?”). Wi-Fi is still a good and cheap solution for voice transport on small network with limited usage and few phones.

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