IP Telephony and Phones

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Hi Team, I have been doing extensive research on having a Cisco -8841-K9 on loads Active Load: sip88xx.10-3-1-20 Is it possible to change the firmware to the Multiplatform firmware if it's using the Cisco Unified Communications Manager currently? I h...

Hi All, We have a request that came in earlier, regarding the transfer of an end user's voicemail from her extension( phone ) to another extension .Is such an option even available. Cisco Unity Connection : 6.1.2 Scenario : user A with extension :   ...

Hi all! We have Cisco 881 routers at the branch offices and only on one of them we've got that problem when sip-ua suddenly disappears:Reboot solves the problem.All configuration across routers is the same.How can i troubleshoot this problem?

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LyRa by Level 1
  • 1720 Views
  • 8 replies
  • 0 Helpful votes

Hi ,I have been adding Cisco phones to my network without any problem.We bought 5 new 7841 phones from Cisco and someone from Cisco did the License part for me.There is no Licensing issue but when I am trying to add a Cisco 7841 I can see phone displ...

Tazio4436 by Level 1
  • 11436 Views
  • 6 replies
  • 0 Helpful votes

HiI need some advice about licensing.we have acquired:- 10 telephone ip CP8845- 1 ISR 4321 / K9 router with ISDN BRI cardWhat we want to do:- Use these these phones with CME (voice and video calls)- Connect to ITSP for outside callswhat do I need as ...