For SME business, SHANG332 can be used to integrate old telephone network and change them into voip to save the telephone cost. Compare to install some ip telephone, company user need more design to obtain unique outlook, compatible to old system, best cost rate.
According to company’s situation, there are two kind of solution, one is with PBX, the other is no PBX.
2. For the company without PBX
For those companies with direct PSTN line connection, the end user will get the following benefit from SHANG332:
ü All long distance call or even the oversea call will be turned to voip. The cost will be saved very much.
ü Internal call is free, especial for those call between different branch.
ü For those lines such as local call, it will still over the pstn line to get more convienent.
ü No need to add new telephone, easier to use both voip and pstn.
ü All telephone numbers are kept. The old pstn telephone continues working.
ü Meet 911 requests, under the circumstance that the power is lose or the internet network is breakdown, all call still from the original circuit, don't break off the usage of the telephone.
ü User’s dial pattern keeps no change.
Reform method:
the company had our straight lines before reform, the telephone number is 010-88880002 ,010-88880001 ,010-88880003 and 010-88880004.
1. install one set SHANG332 equipments between the telephone and the PSTN outside line, a 4 fxs 4 fxo card modle, the outside line connects on the FXO ports, the telephone connects the FXS in equipments. 1st outside Line connect the 1st FXO port. the telephone connect the 1st FXS port, and so on.
2. Connect a net line from the WAN of the equipments, link the company IP network.
3、Regester 0001, 0002, 0003 and 0004（free for internal call）
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