Cisco 1721

Unanswered Question
Feb 27th, 2008

Hi Guys,

My Customer is implanting a solution of IP Telephony. In a determined site It has a 1721, but, this hardware not support fxo,fxs,etc..., Anybody know talk if its possible use only that branch?

Thank You,


I have this problem too.
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Paolo Bevilacqua Thu, 02/28/2008 - 03:55

Hi, can you explain better your question?

As you've noticed, the 1721 does not support voice, so you will have to use something else.

Currently, the smaller model with voice support is the 1861 that also support CME with up to (nominal) 8 IP phones.

Hope this helps, please rate post if it does

wilsonsant Thu, 02/28/2008 - 04:18

In the site, the Customer will go use the IP Telephony only for call internal (branch)(It don't will go out PSTN, He don't need use fxo or fxs, for example). The hardware 1721 support it's my question?

Best Regards,


Paolo Bevilacqua Thu, 02/28/2008 - 04:23

Ok, I understand that your customer has a central call manager and wants some remote IP phones in the branch.

You can use any router including the 1721 for that. You probably need to configure QoS on it.

Hope this helps, please rate post if it does!


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