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Hello, I am interested by the Yeastar S300. I need to integrate to it around 20 existing extensions from an old analog PABX. Should I need to use FXO ports adapters on the IPBX side? There is two solution : O2 modules or external VoIP FXO gateway.
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Larry Neblett In all honesty, you would get far more functionality by replacing the analog with SIP compatible IP phones. Yes, I understand there is a cost associated to this, but the efficiencies gained by having a more functional and feature laden phone may make it worthwhile.
In any event, FXO is used to take in a phone line. To attach an analog device you need an FXS port. Which ones depends on your preference. either the S2 cards or a FXS gateway. The questions related to latency is likely not something that users would know with any technical specifications to back it up. With regard to performance, the same situation exists. I am not aware of these concerns on a FXS gateway, so I suspect your experience has to do with FXO and PSTN.
You have a couple of things to consider -
1. Are you certain that the phones in use currently are truly analog and compatible with a POTS line? Many look like analog, but are digital (not VoIP) and will not be usable.
2. You might be able to consider using a S50 with a FXS gateway in order to reduce the cost. As you seemingly only have 20 phones, it handles 50 users and 25 simultaneous calls.
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Mustapha Boularbi Hello Larry,
Thank you for the answer. I probably be unclear about the context.
I need to map extension form old PABX to your IPBX S300.
- Replacing old analog phone on PABX side by new SIP Phone at IPBX Side.
-Keep the old PABX running with a lot of users
- Get the IPBX rungin with new users and migrates users from old PABX to IPBX
- Keep the old extenstion in PABX from some migrated users.
- non migrated users in PABX should contact the migrated users using the remaining extension mapped to IPBX.
- IPBX users can initiate call to users in PABX network.
The question is: to get the same availaibilty as befrore migrating, should we map each FXS analog phone of each migrated user of PABX network to a FXO port in the IPBX ? I have arount 20 users to migrate, the others stay in PABX network.
- and if so, do i need the 20 FXO port to make full availability mapping using aFXO gateway product , or using 10 x O2 modules ?
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Mustapha Boularbi I give more precision:
The PABX network has around 60 users. And I need to but now around 200 users in IPBX network, and migrate around 20 users from PABX to IPBX.
I need to keep the PABX network.
PABX network and IPBX must be interoperable.
I can have a lot of concurrent calls bacuse a lot of services via VoIP (HW or SW) phone directly, and via SW application using SIP conferance (classroom, ...)
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