Soundstructure Voip DTMF not working

Anonymous · ‎07-03-2014

Hi There,

I have a Soundstructure C16 with a VoIP interface UC version 5.0.0.6874. Now once I dial onto a bridge/conference and the call is connected I am unable to dial directly anything further like extensions/password via DTMF.

I doubt it has anything to do with SIP Inbound (RFC2833) or SIP INFO (RFC2976) settings or any other settings as the above scenario works perfectly using a Polycom Soundpoint IP450 over the same line and connecting to the same server/Provisioning Server.

Any help/insight would be useful.

SteffenBaierUK · ‎07-10-2014

Hello saj4jc,

welcome to the Polycom Community.

UCS 5.0.0 is a completely outdated Software and you did not post the SPIP450 Software Version in comparison.

In order to troubleshoot this we require a wireshark trace and phone logs.

Please work with your Polycom reseller to brings this to the attention of Polycom support.

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

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