Ok so you are saying that you have 2 sites, using Call Manager 8.6, and you get a busy signal when one site calls the other?
Are both sites registered to the same Call manager? Or is the other one using CME? When you say you are using SIP, do you mean SIP to the ISP or a sip trunk between the 2 sites? What type of gateways are you using?
Ok I may be missing something here, let's start by understanding your call flow within your Branches, you have both extensions registered to Call manager, correct? Can you validate that they are indeed registered with a line number? Then, what's the transport between the 2 sites? MPLS? You said you have SIP but you certainly wouldnt need a SIP trunk to call between extensions in the same Call manager, your SIP trunk would be needed for PSTN access. Please give us an idea of your call flow, is it this?:
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...