Thanks for sharing this Anthony, cool stuff. I am also sharing a link which might be helpful for everyone.
https://community.cisco.com/t5/collaboration-voice-and-video/a-guide-to-sip-normalization-on-cucm-and-lua-scripting/ba-p/3099409 Jinto. From: cisco-voip <[email protected]> On Behalf Of Anthony Holloway Sent: Thursday, August 01, 2019 12:40 PM To: Cisco VoIP Group <[email protected]> Subject: [cisco-voip] PSA: Hunt Groups and Alerting Names I was configuring some new stuff for a customer recently, and as I was making test calls, I noticed the 7800/8800 series phones were not showing the Hunt Pilot Alerting Name like I'm used to. I found a defect (CSCvn39109<https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn39109>) which basically says that CUCM 11.5(1)SU5+ was updated to change the way it presents the Hunt Pilot name to the phone, and the phone firmware has not been updated to parse it. I implemented a SIP Normalization script on the SIP Profile applied to the phones, which rolls back the format to pre- CUCM 11.5(1)SU5. That Lua script looks like this: M = {} local function hunt_uri_rollback(msg) local old_call_info = msg:getHeader("Call-Info") local new_call_info = string.gsub(old_call_info, "huntpiloturi=\"%%22(.*)%%22(.*)\";", "huntpiloturi=\"%1\"%2;") msg:modifyHeader("Call-Info", new_call_info) end M.outbound_INVITE = hunt_uri_rollback M.outbound_UPDATE = hunt_uri_rollback return M Again, you apply it to a SIP Profile, which you then apply to the phone. Then restart the phone. The Pre-Lua script Call-Info header looks like this: Call-Info: <urn:x-cisco-remotecc:callinfo>; security= Unknown; orientation= from; gci= 4-166949; huntpiloturi="%22Your Hunt Pilot Name%22<sip:\[email protected]<mailto:[email protected]>>"; isVoip; call-instance= 1 The Post-Lua script Call-Info header looks like this: Call-Info: <urn:x-cisco-remotecc:callinfo>; security= Unknown; orientation= from; gci= 4-166949; huntpiloturi="Your Hunt Pilot Name"<sip:\[email protected]<mailto:[email protected]>>; isVoip; call-instance= 1 Seeing the alerting name on the phone is a really useful feature in my opinion, and so I hope this helps you out until Cisco fixes this with a software patch. PS Make sure you have the CM Advanced Service Parameter set to True (default): Display Hunt Pilot Name or DN for Hunt Group Calls When Alerting.
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