[cisco-voip] FXS Port one way audio - no dtmf

[Amit Kumar]

Hello Aaron,

Have we tried to controlling FXS ports, via CME , as more functionality is
available when FXS ports are controlled via SCCP on CME.




On Fri, Jul 12, 2013 at 4:10 AM, Aaron Blair <Aaron_Blair at bridgepoint.com.au
> wrote:

>  Hi all, ****
>
> ** **
>
> I’m having some issues with a basic FXS port setup.. We’ve tried two
> phones/brands (Uniden + NEC (wasn’t really expecting NEC to work)) but
> still seeing the same thing.****
>
> ** **
>
> voice-port 0/1/0****
>
> disconnect-ack****
>
> disc_pi_off****
>
> cptone AU****
>
> timeouts initial 12****
>
> timeouts interdigit 8****
>
> timeouts call-disconnect 40****
>
> description Uniden Test****
>
> station-id name Test Name****
>
> station-id number 1234567****
>
> caller-id enable ** **
>
> ** **
>
> Voice port config as above. Router is 2921 with 1x VWIC3-1MFT-T1/E1, 2x
> VIC3-2FXS/DID, 1x PVDM3-64, 1x ISM-SRE-300-K9.****
>
> ** **
>
> It’s a CME setup, with voip phones all registered and talking just fine.**
> **
>
> ** **
>
> What we’re seeing is the phone on the FXS port is receiving dialtone, but
> any attempts to dial digits do not break the dial-tone, and the router does
> not see any digits being dialled.****
>
> ** **
>
> When calling the FXS port from a VOIP phone, the FXS port rings, and when
> picked up there is one way audio from the voip phone to the FXS port, no
> audio from the FXS port to the voip phone. The voip phone appears to be
> receiving RTP just fine from the gateway.****
>
> ** **
>
> Phone we’re currently testing is a Uniden DECT2035, but have tried NEC
> phones as well.****
>
> ** **
>
> Another possibly unrelated issue is that we’re seeing one way audio on the
> E1. Outbound voice is working fine (VOIP to isdn), but inbound is not (ISDN
> to voip). Also, when dialing out from voip phone, there is no ringing on
> the voip phone, it just connects when picked up.****
>
> ** **
>
> Any help would be much appreciated.****
>
> ** **
>
> Cheers,****
>
> *Aaron Blair*****
>
> *Network Engineer*****
>
> *Bridge Point Communications*
>
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>
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>
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