User manual

www.atcom.cn
35/
3.5 Combine the IP04 with exist traditional PBX
Introduce:
Assume that we already have a (3-8 3fxo 8extensions) traditional PABX in our office and we
want to add more pstn lines/extensions or use voip solution in the exist solution. We can
combine the IP04 with the exist PABX solution use below structure.
1/ Connect the FXO port of the PABX to IP04's FXS port. so the PABX will be one of the IP04's
FXS extensions and all the extensions under pabx can use all the fxs functions from IP04, the
functions include:
make calls to the ip04's other extensions
make calls use the ip04 voip trunk
make PSTN via ip04's PSTN trunk
2/ Connect the FXS port for the PABX to IP04's FXO port. So the IP04 will be one of the PABX
extensions and all the extensions under pabx can use all the fxs functions from pabx, the
functions include:
make calls to the pabx's other extensions
make PSTN via pabx's PSTN trunk
VoIPon www.voipon.co.uk [e-mail] Tel: [phone] Fax: [phone]