Solution of Transition from Enterprise PBX to BizPBX
 
When a company decides to build up his own BizPBX system, he has to consider the used or in using PBX without sacrificing original investment. So there are must be a solution that can realize the coexisting of traditional PBX and BizPBX at first and then upgraded to a complete BizPBX system progressively.
Based on the features of BizPBX, we provides the following solution, please check system topological diagram:

BizPBX connected with PBX through FXS or FXO trunk lines.
1. Technique Dept. makes Skype calls through BizPBX:
Off-hook phone 6003¡údial access code 82 + 8 (out LAN code) + telephone number.
2. Technique Dept. calls Sales Dept.:
Off-hook phone 6003¡údial 5002 phone number directly.
3. Sales Dept. makes PSTN calls through PBX:
Off-hook phone 5001¡údial access code 81+ 9 (PSTN access code) + telephone number.
4. Sales Dept. calls Engineering Dept.:
Off-hook phone 5001¡údial access code 81 + 6001 phone number directly.

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