IP Telephony and Phones

Hello everyone,,is it possible to keep the ringtones preferences for one or many lines with the extension mobility.When i set the preference for my lines, and then i logout and re-login the preferences will not be saved.Thanks for your help,Redington...

Hi,we just received from Cisco 20 IP Phones model 7821. Our phone supplier doesn't use CUCM or CME System, but something else. All our phones are working fine, but the only language installed in them is English and we need to switch the language to F...

Hi All, The "system status" in CUCM OS admin page displays different Date (with time) and Time Zone.The Date is in UTC and Time Zone in EST.NTP is configured with NTP and stratum 2.No issue with IP-Phones, they display the correct configured time. Wh...

Hi Guys,   My company is about to use Cisco Jabber to substitute physical desk phone and we are currently testing it. The server is running well and we are able to communicate from inside and outside company's network connection.   So we tested the J...

Hello,we change our ISP from ISDN to SIP. With the new ISP we use SRTP. With our phones it is no problem to call via this connection. The phones have certificats and all is fine. But with our VG310 i have a question. I know i can connect the VG310 vi...

Hello guys, Our client has a requirement that they need to have an automatic calling feature to automatically contact multiple users on predetermined numbers, and play a prerecorded message. I believe this can be done by Cisco Paging, but they don't ...

Hi alli recently configured  pholycom phone model no is 3111-33215 on CUCM 11.5 its working only outgoing call only ,its not working incoming call and conference ,please can suggest to me to resolve this issue .

Phones on our voice vlan do not get a dhcp assigned ip address. However the computers connected to the switch do get an ip address on the access vlan. The switch has a trunk port going to the upstream switch and that looks fine. Any ideas? 

Hi, my cutomer wants a busy light to prevent interception of calls in meeting rooms. Plug off the phone is not an option. Is there any solution for this? Thank you

Hi, The installation is CUCM 11.5 with CUBE gateways to ITSP services.  Signalling is SIP delayed offer CUCM->CUBE, early offer to the ITSP.   This has been in place for some time, the only significant recent change was upgrade CUCM from 9.1 to 11.5....

Hi all, Im getting the following error when I want to add my sub to my active publisher.  How can I get the capture.txt file? Thanks. 

Our users are stating that they only hear the phone ring through their plantronic headset. The issue is they don't want to have to wear the headset all day in order to know if a call is coming in or not. Is there a way to configure both the phone and...

Hello, We currently have SRST's at many remote sites.  Each site has approximately 5-10 POTS lines which cost $20-$40/each depending on site.  I was curious if it's possible to use something like cellular instead of POTS lines for this.  Does anyone ...