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Each conversation requires (2) UDP ports per active conversation. They are paired so Convo #1 uses 10020 AND 10021 for the 2 audio paths (tx/rx). Convo 2 would use 10022 and 10023. My understanding is they are dynamically allocated so when a conversation ends, those 2 ports are assigned to the...

In addition, make sure UDP ports 10020-10099 are being forwarded to the IP set in 84-26 using the same public IP. These are the audio packets (RTP). Otherwise, you won't be able to use TDM resources on the 9100 like VM, MLT, SLT, and POTS/PRI trunks In Licensing, note how many 5103 (VoIP...

Back the system up via PC Pro, just in case. You can then save the database file.

A wireshark trace could point to where the disconnect is happening when a call is placed on hold. You could tell whether the disconnect is coming from the NEC or from the provider. Stepping back a little, what is being presented to callers when they are put on hold or being transferred? If it...

The 8100 was before our time. We learned some tough lessons about hacking on the 9100. The modification history logs helped us a lot during incidents as well as teaching us what to secure. I am ashamed about some of these but if they prevent future pain... If you are using standard SIP...

Out of the box idea but have you considered hosted fax? Our customer still uses the on prem PBX but they ported all their fax numbers to a hosted service. No more service calls or fax equipment to deal with. Visit a web portal to send/receive faxes or install a client if the user sends many...

Assuming you are seeing the Yellow Alarm on the BPTU card? Yellow Alarm is also known as an RAI or Remote Alarm Indication so while it is true the D-Channel would need to be set on the PRI card, that is not the problem. Something on the "far end" upstream from you is in a Red Alarm condition...

@budbyrd - I understand the 9500 is a completely different platform.

My first thought would be to set up a DIMM trace and see if the NEC is sending the voice mail. SMTP messages can be seen with the right trace settings activated. Your NEC vendor should be able to do this.

I agree the NEC SV9100 has a steep curve but, once I got the concepts down, I can make it do a lot of requests the Toshiba CIX couldn't do. It almost reminds me of machine language on an older computer. You start with nothing but can set up some powerful programming. I have created a POTS...

We discovered the hard way early on that the 9100 is easy to hack. Fortunately, it is easy to secure. Do you have any NAT set up to access admin from outside? If you do, change to lesser known ports. Even better, disable that and use remote access to a PC on site via TeamViewer or Google...

This process usually works for us... (from NTAC) This happens based on how the UC suite and PBX were brought online. To correct this do the following. Steps: 1. Go to the CTI Driver ICON. Disable it and then re-Enable it using the drop-down button. 2. Go to Services under Administrative...

We have used the Adtran TA908 at several sites and had great experience with it. Adtran provides excellent support to help set up and troubleshoot.

Thank you for the help. We brought an Adtran Atlas 550 out and everything works when going through it. Rather than burn time and grief with the "not me" between NEC and the SP, we are simply going to leave the Adtran there. It also gives us better troubleshooting ability at an already...

Thank you! Any ideas what might be the cause of that? I have also reached out to NTAC. ~ Mike

We are not sure the provider will do that. They are contracted to deliver a PRI and are known to stick to their guns. The SP provider has provided the gateway. While this is a great mid to long term solution, the best short term solution would be to get this working with the PRI. I suspect...

It is not a stupid question at all. We tried suggesting that but they can't dump the PRI quite yet. Contract with the SP they can't get out of.

Thank you for offering to look at the trace. I have attached it. The SP tech support has been underwhelming. Monday, we are bringing an Adtran Atlas 550 so we can split the PRI and exhaustively test without affecting the customer...

Replacing a system that has a PRI to SIP convertor. The SP providing PRI. The old system could not take PRI. We provided a new system with a PRI card so we would have less hardware to troubleshoot. Incoming works fine with no issues. Outgoing calls set up and complete. The call then drops...