[cisco-voip] PSA: Hunt Groups and Alerting Names

James Buchanan james.buchanan2 at gmail.com
Thu Aug 1 13:39:57 EDT 2019


...and I just realized I did it in 12.5. 

Sent from my iPhone

> On 1 Aug 2019, at 18:32, Anthony Holloway <avholloway+cisco-voip at gmail.com> wrote:
> 
> I tried the double quote trick at first, based on a forum post I saw, but it didn't work for me.
> 
> In the same post, someone posted a sample Lua script, but that also did not work for me, so I wrote my own.
> 
> Post in question:
> https://community.cisco.com/t5/unified-communications/hunt-pilot-alerting-name-not-working-in-11-5-su6/td-p/3867489  
> 
> YMMV.
> 
>> On Thu, Aug 1, 2019 at 12:09 PM James Buchanan <james.buchanan2 at gmail.com> wrote:
>> You can also put the alerting name in double-quotes and get the same result, but I like the LUA script better. I used it a few days ago.
>> 
>> Sent from my iPhone
>> 
>>> On 1 Aug 2019, at 18:05, Jinto Alakkal Kunjumon <jalakkal at uoguelph.ca> wrote:
>>> 
>>> 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 <cisco-voip-bounces at puck.nether.net> On Behalf Of Anthony Holloway
>>> Sent: Thursday, August 01, 2019 12:40 PM
>>> To: Cisco VoIP Group <cisco-voip at puck.nether.net>
>>> 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) 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:\+16125551212 at 10.1.1.10>"; 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:\+16125551212 at 10.1.1.10>; 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.
>>> 
>>> _______________________________________________
>>> cisco-voip mailing list
>>> cisco-voip at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/cisco-voip
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