A friend of mine at Cisco TAC pinged me a few days ago, asking to assist him with a case he’s working on that required a sip normalization… Read more “Lua Scripting – Replacing FQDN with IP in SIP Headers”
Month: August 2015
Lua Scripting – Proxied Manager Breaks MWI for Centralized CUC Behind SME
I’ve been working as design and deployment lead on a globally significant full Collaboration on-premise deployment for the last 3 months (think 120 CUCM across 9 Leaf… Read more “Lua Scripting – Proxied Manager Breaks MWI for Centralized CUC Behind SME”
Forcing MTP Killed the Mid-Call
There’s a common misconception with Cisco SIP trunking that the desperate “Forced MTP” will always solve no audio, one-way audio, DTMF inter-working and every other media negotiation… Read more “Forcing MTP Killed the Mid-Call”
DTMF Interworking and the MTP
I came across this a while back when deep diving MTP when preparing for the lab. I’ve pretty much got it down now, but I keep coming… Read more “DTMF Interworking and the MTP”
Quick and Dirty DNS Testing
Quick and easy sanity checks… My requirement was to test 500 A/PTR records. The client didn’t feel comfortable with bulk loading the records, so the work had… Read more “Quick and Dirty DNS Testing”
UCCX – CTI Registration Fails after CUCM Upgrade to 10.5(2) – CSCuq26061
Had a strange one today… A colleague completed a CUCM upgrade from 10.5 in-version. No issues were experienced after the minor upgrade. However, a few days later… Read more “UCCX – CTI Registration Fails after CUCM Upgrade to 10.5(2) – CSCuq26061”
afterthenumber 