We have a CUCM routing external calls out through a Cisco IOS H.323 gateway to an ITSP, using SIP for the onward connections. We are using rtp-nte relay for the dtmf tones and these function on 99% of remote IVR menu systems etc.
We have some remote menu systems that we cannot use however, but the ITSP is insisting the problem is with our PBX (the IOS gateway). They say the problem is that we are sending the NTE events with a duration of "0". I cannot see how to configure the length of these, and to be honest I did think that it was the ITSP onward gateways that would translate the NTE packets to a default tone length.
Can I ask if anyone has been in this situation? I could understand if not tones ever got through, but it is baffling that the majority are fine. The ITSP supports in-band voice tones (no relay) and NTE RFC 2833.
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This document describes the details about the Cisco Collaboration Endpoint software upgrade error “File too large”, and guides through the possible workarounds to upgrade the endpoint to the desired version.
we have recently announced a new Webex Events service with a best-in-class virtual event experience that is video-centric, intelligent, and simple to use.
Some highlights (features of new Webex Events that were not there with existing/c...
The purpose of this document is to present the different troubleshooting steps to take when some service from the Cisco IM & Presence Service Server have not started gracefully.
The States of a service
The IM&P ...
This event had place on Tuesday 20th, April 2021 at 10hrs PDT
What is the Real-Time Monitoring Tool (RTMT) and how do I use it? In addition to an overview of the components of the tool and the interface, attendees learned how to use ...