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CityFibre/Zen - VOIP with own Router?

Anth

Member
I have been informed Cityfibre will be installing FTTP to my street in the next two months. I am overjoyed with this news as I have been waiting for FTTP for years.

I am now in the phase of planning how I am going to set this up. I was planning on going with Zen for my FTTP and telephone service as soon as this is live.

I was wanting to sign up for both unlimited calls and FTTP with Zen. The issue is I want to use my PFsense router connected directly to the ONT.

I am therefore trying to find some answers if this will be possible and didn't want to bother Zen directly before I was even their customer so was hoping maybe anyone else could offer some help?

Does Zen use SIP VOIP on their monthly telephone packages bundled with the FTTP and therefore I could just connect a Cisco SPA122 or Grandstream HT802 to my PFsense and put in my Zen voip account details and not need to use their Fritzbox at all? Or is the telephone service tied into using the bundled Fritzbox for some reason?

If it is, then conversely, can you use the Fritzbox as simply a Wifi extender/repeater and connect it to the PFsense router's Lan port and then use the phone connector on the Fritzbox under repeater mode for your calls or does the Fritzbox only work for VOIP if it is the main router?

Therefore, If VOIP on the Fritzbox doesn't work in repeater mode, can you flash something like Opnwrt to the Fritzbox to get it to work with VOIP as a repeater?

I really do not want to have to go ONT>Fritzbox>PFsense. I want to remove the Fritzbox out entirely if I can or just use it as a repeater/extender.

Any ideas?
 

butler

ULTIMATE Member
Contact Zen, they will be more than happy to talk technical with you before you become a customer! Get the answer straight from the horses mouth :)
 
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