I have a customer that is trying to centralize the SRST routers due to the way the network is setup. I have ISR 4431's ,4 FXO ports. I have no contiguous extension ranges, We are trying to place several bldgs on one srst router.  Some bldgs may have ...

I have a customer that is running 12.5 CUCM and are trying to pull all the ip addresses of all the phones from CUCM using a SQL query. They are hitting the SQL limit of returning 1000 entries according to TAC. Has anyone seen this issue or have a sql...

I am trying to use the onboarding , If I try and use activation codes I get an error "Please check internet connection". If I use auto registration the phone works fine. I am running cucm 12.5 and the phone does ask for activation code. Has anyone se...

I am running UCCX 11.6 and CUCM 11.5 . It is configured in wan HA mode.  Site "A" has two CUCM's main UCCX , th CTI Mgr , RMCM and AXL registered to site "A". Site "B" has two cucm's and secondary UCCX to test we shut down site "A" cucm's and left pr...

I am running SRST on an ISR 4431 on latest IOS. When I was in sRST mode the phones were able to dial each other with no issues but when I tried dialing out to the PSTN all calls failed after 4 digits. I am using all SIP phones and have SIP to the PST...