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A VoIP GW Keycode should do both SIP and H323. A SIP keycode can only do SIP

Private dialed digts can also land on Public receive numbers that is why when there is no MCDN keycode you can still get lines to ring without private receive digits on them. I think what may have been hapening is that you were using your public recieve digits all along without your knowing it.

From my recollection when your Public Network Local numbering plan is National then the BCM will only send out OLI if you have provisioned 10 digits in the Public OLI. So if you only have the problem when you have 10 digits programmed in the Public OLI then you are only having the problem when...

This sounds like a familiar problem that was patched beteen a year or two ago, I believe if the firmware version on the BCM is greater than the version on the CS1K this can happen if the system is not patched. Don't quote me on this as I vaguely remember the solution. If you can't find the...

If you are doing an H323 to PRI tandem, then I would guess it is more likely that the PRI is hanging up. Look at the UIP trace on the tandem node

Usually a SIP phone needs to register. BCM 4.0 and R2 do not support registration.

12 trunks is the MAX for non SRG systems. SRG systems allow 24 trunks

Grab the logs off the M50 after your trunks lock-up, find the feps.log.x files in the diagnostics logs, there will be a number of these and send these files to joeg@nortel.com put a reminder in the email of what the problem is, don't delete the rest of the logs. I will take a look at it, I can...

I wouldn't try SIP from a BCM to a non-Nortel endpoint until BCM 50 Release 3. The main reason is DTMF transmission from the BCM accross the SIP trunk. A large effort was made in R3 to test and resolve interoperability issues with some major US carriers. In M50 R3 there should be no DTMF...

The UIP trace message 15:01:21 < CC < CREF 2F DISCONNECT_CC Interworking, unspecified means that that the BCM is sending a release because it is unahppy. The fact that the first arrow points to the left means that the BCM is sending this message. if the first arrow points to the right it...

Since the core telephony runs on the MSC card (this is where the heart of the telephony is running) it is worth while trying to cycle power on the system as a reboot will not restart the MSC, that is why digital sets are not affected by a reboot. Joe

H323 has been tried and tested for a few years now so it is the most reliable. BCM 50 R3 will shuold be a very interoperable SIP implementation and should be approaching the reliability of R3. So I would say for BCM 4.0 and M50 R2 use H323. Joe