IP Telephony and Phones

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We have CUCM and CUC (v12.5) which has been directly registered to Cisco's Smart Licensing, but today's I noticed this error from RTMT "Smart Licensing Authorization Renewal Failure". I tried to force the re-authroization and re-registration and now ...

LakeShow by Beginner
  • 1 replies
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Hello Experts,Please find attached.we have 2911 Cisco Router and using CME IP telephony. Cisco 74XX Series , 69XX and 9971series Ip phone's are being used.PSTN SIP trunk Outgoing and incoming calls are working fine,  except 9971 Series Phone. when we...

ciscodfp by Beginner
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Hello,Cisco Wireless IP Phone 8821 11.0(5)SR3 and Asterisk 16.2.1 from Devuan Beowulf 3.0.0, SEPMAC.xml based on https://issues.asterisk.org/jira/browse/ASTERISK-13145 (about which i read in thread https://community.cisco.com/t5/ip-telephony-and-phon...

 Hi Guys, Tried to call from Lync server to CUCM, I have set the code from cisco trunk to cisco phone as G729. It failed as I expected...The thing is I want MTP/XCODE that is in the MRGL to do the transcoding, is it possible?I have attached the call ...

JUN REN by Beginner
  • 13 replies
  • 0 Helpful votes

Good afternoon, I am in the process of building a CUCM cluster using 2x Cisco UCS C220 M5 Servers (BE6000M build). I booted both servers up yesterday and normally they boot straight to the VMWare ESXI install kernel. Server #01 did but Server #02 did...