Error connecting to a S4B and CMS Dual Homed Call

When attempting to Join a Microsoft Skype meeting the call from a Cisco Endpoint fails, a point to point however does not, looking at the logs it suggests that it cannot find the conference “” not found 2018-06-19 12:53:27.669 Info 2000 log messages cleared by “admin” 2018-06-19 12:53:34.558 Info call 16: incoming encrypted SIP call … More Error connecting to a S4B and CMS Dual Homed Call

OBTP not updating

When attempting to setup a Skype for Business meeting from a client inviting a Cisco DX80 endpoint it was not updating, having a look at the logs it seems like a Credentials error : 2018-06-19 13:34:19,401 [MeetingSynchronizerThread] INFO – Forcing update for endpoint 2018-06-19 13:34:19,401 [MeetingSynchronizerThread] INFO – Sending out OBTP information to endpoint … More OBTP not updating

CUCM HW conference failing despite being registered

When Video Endpoint attempts to ‘adhoc’ a third endpoint into a conference they loose Video. Having a look at the HW resources they were definitely configured and also showing registered to CUCM. Upon investigating the logs there seems to be a authentication issue when the resource is invoked. <methodResponse> <fault> <value><struct> <member> <name>faultString</name> <value><string>Authentication failure</string></value> … More CUCM HW conference failing despite being registered

Cisco CMS remote error

when TLS encryption was enabled on a trunk from Cisco CMS, all of a sudden calls in from Lync/SkypeforBusiness started failing, here is the output from CMS:- call 48: recognised as Lync call 48: incoming encrypted SIP call from “” to local URI “” (Lync) forwarding call to ‘’ to ‘’ call 49: outgoing SIP … More Cisco CMS remote error