IP Telephony and Phones

Dear good afternoon,I have a problem, we recently got a SIP service from a provider.Make the configurations in my Gateway cisco 2911 (configuration attached) I see in the debug Reason: Q.850; cause = 38.Attachment debuggingCould you help me to see if...

Hi there community!. I have an IP-Phone 7861 and we would like to change the language to spanish, but we are not able. I've been googling and everybody says that it only can be downloaded and configured through CUCM or Call Manager, but I don't have ...

Hello Everyone. Hoping to get some answers on this behavior. must be something simple.  When i send call to CUCM in below format i get 404 not found from CUCM to Incoming CUBE.INVITE sip:1400@subscriber.abc.net SIP/2.0To: <sip:1400@subscriber.abc.net...

Hello, We have new Cisco ATA 191 that are registered to cucm 12.5, however they arent able to send and receive faxes. The current firmware is 12-0-1SR2-3.  Any suggestions?

Dear All,We are newbie ini Cisco Unified Communication Manager and Cisco IP Phone-6921 IP Telephony. We have success register Cisco IP Phone CP-6921 to Cisco Unified Communication Manager and make call between CP-6921. We have problem when we want us...

Hi,I would like to be able to forward all incoming calls to a hunt pilot when there is a team meeting.I can't use CFNA because there are a lot of phones in the line group (all the rooms are not always open to unlog all phones). Do you have an idea?Th...

Hi, We have CUCM 12.5 and 3905 IP PhonesWe faced a problem while implementation third party call recording system with the CUCM for some DNsThe call recording depends on span monitor to capture traffic The problem is that when the 3905 phone initiate...

Hello,We are looking for a feature or a configuration.If all outbound trunks are busy and someone dials 911, we want the system to drop an active call and let the 911 call go thru.Can Cisco UCM do this ?Thank you for your thoughts, or ideas. - Martin...

This shows how to fix an Auth Fail error when a 7900 series phone is attempting to upgrade it's firmware.When a phone has an older phone load and tries to register with a CUCM that has phone loads higher than 8.5(2), it will fail to upgrade the phone...

Hi all ,We facing strange and repeat issue , for example the sender once put the ext number and press dial there is delay for almost 7 seconds after that will be process the call , while receiver if he press answer he will see the call still not answ...

We are using Unity 11 --We want to remove the greeting completely, but when I try to do this navigating through the VM options and leave a silent greeting, the default greeting is set (the one that says “Sorry name isn’t available”) We want to remove...