How I can configure the external FXS?

By freeas2 ·
Hi to every one,

I am doing my final year project. My project is to do a interoperbility between VoIP and PSTN.

I want to configure the extenal FXS (Cisco ATA 186 ) on Cisco 2800 Router. I can call from Ip Phone to the analouge phone. But I can not do a call from analoug phone.

Can any one help me regarding this matter.


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so you can call out to the POTS line

by CG IT In reply to How I can configure the e ...

but POTS calls can't come in?

then your FXS port isn't configured properly to allow inbound calls or your call manager won't accept them. I'd look at how you ahve the Foreign Exchange configured.

Check physical first and eliminate a physical connection problem, then find out if call manager is the problem.

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may b..

by freeas2 In reply to so you can call out to th ...

I dont have phisical problem.. and I am using CCM on my router for VoIP calls. We mostly work WIC FXS card but now we have using for the first time the Cisco ATA 186. But its not accepting the configuration as WIC FXS have.. So wat can I do now..

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Ring tone

by IT_LONDON_EA In reply to How I can configure the e ...

I connected fxs to router but there is no dial tone o analogue telephony ? i hve done all staff but there is no tone...?

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