I have been having a rash of external calls that are attempting a SIP connection to my VCS-E then dialing up over our ISDN Tandberg GW. We have had our phone lines blocked several times now because these calls go to Middle Eastern countries sometimes that are on watch lists. I have been blocking them under Registrations one at a time but just wondering if there is some way of locking things down much further to not allow this type of hack to occur.
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...
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