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Old 08-15-2021, 02:07 AM
rime rime is offline
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Question EC500: mobile phone keeps ringing after call answered on desk phone

For a site in Brazil (MFC R2 CAS trunks), the mobile phone keeps ringing after the called user has answered on his desk phone. Eventually, the mobile voice mail answers the call and there is an empty voice mail for the mobile device. How can this be troubleshooted/resolved? Thanks in advance!
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Old 08-16-2021, 07:20 AM
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When the incoming call is answered at the desk, CM sends a disconnect message to terminate the call setup with the mobile device. You should be able to verify this in a trunk trace, although you may need an MST trace to see the Q.931 signaling in detail for this issue. It could be the disconnect is being ignored or arriving too late?

You can try experimenting with some of the options on the off-PBX config set screen. Toggle "Fast Connect on Origination" and test to see if there's any difference.
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Old 08-17-2021, 08:52 AM
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Thanks, "Fast connect on origination" is apparently used in the SIP or H.323 contexts. However, at this Brazil site, the public telephone network is connected with Channel Associated Signaling + Multi Frequency Code R2 register signaling: there is no Q.931 protocol to trace, the only thing in common with ISDN PRI is the layer 1 which is also G.703.
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Old 10-13-2021, 06:25 AM
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Solution Confirmed Patch provided by Avaya to address the EC500 issue with CAS MFC R2 trunks

On Oct 11, 2021, Avaya has provided a patch: 01.0.890.0-27167.tar . After initial testing on a LSP, the issue seems to be solved.
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Old 10-20-2021, 04:11 AM
milese milese is offline
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There are two primary advantages of in-house software development teams https://mlsdev.com/blog/healthcare-m...pp-development. The first is the obvious advantage of a direct line of communication between the developers and the customer. However, even if the team is located within the company, there will still be a fairly wide range of knowledge and experiences at their disposal. For instance, it is entirely possible for in-house teams to have different skill sets and take a slightly different approach to the project than an external team would.

Last edited by milese; 10-22-2021 at 05:04 AM.
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