IP Telephony and Phones

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One of the client wants to upgrade CUCM, CUC and IMP 11.5(x) to 11.5(y) .Which UPGRADE method better? PCD or manual method ? what are the merits and demerits one over the other ? Which 11.5 version is currently stable? is 11.5SUP8 stable? i dont want...

jaheshkhan by Level 5
  • 1219 Views
  • 10 replies
  • 0 Helpful votes

I have a product support team and they have following requirementIf some one dial DID XXXXX it has to route to On call person cell number -> if that person didn't answer then it has to go to another person-> if no one answer then voicemail  Since thi...

hi dear friends,we have a 2811 cisco router, which a SIP-Line from TELCO is connected to it,when we call to a customer fax number through this SIP-Line, we hear their fax tone, but router disconnect call after 8~10 seconds,and even when we call from ...

mHadi by Level 1
  • 500 Views
  • 2 replies
  • 0 Helpful votes

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 Level 1
  • 1474 Views
  • 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 Level 1
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  • 2 replies
  • 0 Helpful votes

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...