[cisco-voip] Expressways and second call back???

[Patrick Robitaille]

We had the same issue and it's related to call recording.  You can whitelist the recorder servers in the Expressway (Core I think),  and recording will work sometimes but not always.  If you try this, you need to enter separate entries for both the hostname and IP of each Recorder Server.

Officially recording via MRA isn't supported yet.  Fix for us was to disable recording config for just the line appearance on MRA Phone and Mobile Jabber - TCT, BOT, TAB.  Internal desktop Jabber should work - CSF.


Patrick Robitaille
AQR Capital Management
O: (203) 742-3797 | C: (203) 914-9572


On Aug 8, 2016, at 4:25 PM, Ed Leatherman <ealeatherman at gmail.com<mailto:ealeatherman at gmail.com>> wrote:

Scott,

Are you doing call recording on the line? I ran into a very very similar thing setting up MRA this weekend, it turned out that my DN was setup for call recording, and the mystery call was a SIP INVITE from CUCM trying to get jabber to send media to the call recorder. I don't have it fixed yet (other than to disable recording)

On Mon, Aug 8, 2016 at 12:04 PM, Matthew Loraditch <MLoraditch at heliontechnologies.com<mailto:MLoraditch at heliontechnologies.com>> wrote:
EM is technically not supported so I’d want to know if that happens on a phone that is hardcoded with those dns and such.

Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA
Network Engineer
Direct Voice: 443.541.1518<tel:443.541.1518>

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From: cisco-voip [mailto:cisco-voip-bounces at http://puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>] On Behalf Of Scott Voll
Sent: Monday, August 8, 2016 11:57 AM
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: [cisco-voip] Expressways and second call back???

so we are just starting our pilot / testing of Expressways.

we have a 8861 phone.  It authenticates to Expressways.  we then log into extension Mobility.  if we log in with a simple DN User it works fine.

if we log in with one of our profiles, that have Jabber, SNR, different device profiles, etc we end up with a second call, calling in just after the call connects or receiving a call just after it connects.  soon as we try to answer it, it goes away.  go back to the original call and it comes back and just keeps ringing.

Anyone seen anything like this? CM 10.5.  expressways 8.7

TIA

Scott


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Ed Leatherman
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