Adding a portable IP phone or softphone to analogue PBX
PaulS:
Hi I am looking to add a portable IP phone and / or softphone apps running on smart phones to a analogue PBX extension. It is just for use within a local network where there is good wifi coverage. I have done a similar thing but just bridging an analogue extension handset over a LAN using 2 A OBi110 a whlile ago which works great. But I am not sure how it will work with IP phone & softphone apps.
I would like an incoming call on the analogue extension to forward to the IP phone (was looking at using a grandstream WP820) and also 1 or more softphone apps if possible. I plan on using a OBI200 to connect to the PBX. Obviously I would also like to be able to make calls through the PBX using the IP / softphones.
I haven't purchased the hardware yet to try so I thought I'd see if it is possible to achieve the above first.
Thanks in advance for any advice / suggestions
Paul
azrobert:
The OBi200 has a single FSX port. Don't you need an FXO port to connect to your PBX? Do you still have an OBi110?
PaulS:
Sorry my mistake, I meant the OBI212 with FXS & FXO port.
I don't have the OBI110's as they are installed at a site.
drgeoff:
Quote from: PaulS on February 02, 2020, 01:14:29 am
Sorry my mistake, I meant the OBI212 with FXS & FXO port.
I don't have the OBI110's as they are installed at a site.
The OBi212 will address the issue of connecting analogue PBX and IP but you still need to connect the IP phone to the OBi212. I don't know if the OBi212 can have an IP phone SIP register to it in the same way as described in the attachment. (Even for the OBi202 that does not work properly with some IP phones).
Another possibility would be to install eg RasPBX on a RaspberryPi and connect both IP phone and OBi212 to it.
azrobert:
It "should" work if your device or softphone can call without registration. I have Android softphones and a PC communicating with an OBi200 and an OBi110. The only problem is availability of the OBi212. I can only find a refurbished unit on Ebay.
https://www.ebay.com/itm/OBi212-VoIP-Voice-Adapter-OBi212-with-FXS-Phone-and-FXO-Google-Voice-SIP/153789763030?epid=16015847369&hash=item23ce958dd6:g:aB0AAOSw5nJeFjca
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