IP Telephony and Phones

Hello Everyone, I'm not quite sure why hardly anyone talks about the EOS of the Cisco 8821 phones, which is pretty soon, but it's very hard to find any information about a proper successor of the phones or an alternative for that matter. While the Ci...

Hi Collaboration Engineers,   I have task to manipulate outgoing call from Ext to ITSP Number , if i am using SIP Trunk method i can configure easy  The Problem , now i am using FXO Port , as far  as i know for outgoing call only forward to Port and ...

Good day all,I'm working with Cisco 8851NR for our secretary phones. I am in the process of setting up 8851 for some of our secretaries that have to answer multiple lines. The issue is, i need the calls directed for the boss's to instead ring to the ...

Can i know is there any way to delete ip phones which are regsitered to CM7.0, after the phones are disconnected physically?We have CUCM 7.0 and 100 Ip phones registered. Auto reg is configured.Requirement is- when the phones are physically disconnec...

                   Hi,I have to gather requirements for IP Telephony from Customers.Can someone please provide me a comprehensive checklist or Questionnaire .ThanksSam

Hello , I have customer in HCS and  he want to perform migration   from HCS to on premise (same server without connection HCS  ). how can I perform it ? I can't see document that explain process.  

Hi everyone, We are facing weird issue with one way voice that affects only external calls.No issues with inbound and outband calls while calling internal. Issue is not present on cisco IP phones or cisco conference phones.Issue is isolated to ClearO...

Fellows,Can anyone please explain the difference between dtmf-relay sip-nitofy and dtmf-relay rtp-nte.When and why to use this.Regards,Rachna

We have a CUCM 11.5 which works with an application to provide Attendant Console solution in our UC solution. We are going to upgrade our CUCM to version 12.5 and we asked their support if some action should be taken in their side to support the CUCM...

Good Day All,I have a unique issue i can't seem to figure out. I have a site (JB) that cant dial the CUC pilot. The CM logs show Call Rejected. When i use DNA, it shows route this pattern like its fine. I have multiple sites with hundreds of users, T...

Dears, I have a question about the Board Pro, below is the datasheet: https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/webex-board/webex-board-pro-ds.html 1) Can we extend from the Board Pro an additional 3rd party display? (...

Hi everyone, I can export phones and edit the Directory Number Forward All for the lines and import it to CUCM. It works fine and lines get the Call Forward All. I mea I did this as pilot for one CTI Remote Device which has shared line, without any p...

My customer has a CUCM cluster ( Pub & SUB) System version: 12.5.1.15900-66. PSTN access provided by SIP connection to one CUBE. Customers using jabber can establish outgoing calls to PSTN with no issue. Customers using jabber are UNABLE to receive i...