Main HeadingWith the introduction of IP Based Business Telephone systems and Business Phone Systems, New possibilities have changed the way calls are being handled. This opens the door to many new Technologies including Site to Site networking which allows multiple offices to share the same phone system across multiple cities or even different time zones omitting any boundry restrictions present in older phone systems. Callers can be transferred to any multi-site location with a touch of a button and seamlessly speak to someone that is located in a different city, province or country without incurring toll charges. With the introduction of Voip and SIP new IP based telephone systems can utilize Sip lines and share them with other Networked PBX's across your networked based phone system, making Long distance calling a thing of the past. Employees working out of there home can now be connected to the office with Proprietary IP Phones or with Sip Phones, making it easier for Employees to work out of their home and still be part of everyday business.