I have a 3825 that's a CUBE device. IOS is c3825-ipvoice_ivs-mz.124-15.T8.bin. The SIP invites going out from the CUBE to an 800 number do not contain SDP and therefore, the call is not being setup properly, it rings for several minutes before being connected. This only happens to one specific 800 number. All other calls, even to other 800 numbers, work fine.
The CallManager sends the call the 3825, which is an H323 device in CM. There are no SIP trunks. I tried checking the outbound fast start on the h323 configuration page in CM, but it didn't help.
I tried to force early-offer in the voip dialpeer on the CUBE router but that option was not available in the voice-class sip.
Does forcing early-offer cause the SDP to go out as part of the invite? And, can I configure this globally without affecting other calls? Or, what else do I need to do to force the SDP in the SIP invite? Thanks.
The calls are going out as G729. The router has a MRGL that includes a MRG which has the PVDM on the 3825 as an MTP resource. I changed the order of the resources but it didn't help. Here are two questions:
1. Would it help to upgrade the IOS to 12.2.20 as suggested in the above post?
2. Why is it that only calls to a particular call center are affected (call center has an auto attendant)?
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.