IP Telephony and Phones

Incoming phone calls are going to voice mail intermittently  1) Verified CFW all- not enabled2)DND is not checked From SIP Logs I found it is an early offer , in failed call scenarios cucm is not sending 200 ok for Invite and call is going to voice m...

Hi , Is there any way I can make ringing at the same time on cisco hard phone and Microsoft Teams  and any option to make outbound calls from both Cisco Hard phone and Microsoft Teams?   In our current setup we have cisco CUCM 12 and sip voice gatewa...

Hi AllWe recently moved to flex with our provider for our CUCM licences.We are running version 11.5 on our cucm and have the on prem plm server.We have requirements to add more phones but we cannot purchase any licences so it appears we are stuck.How...

Hello Everyone, My Customer just installed a CME v14.0 on Cisco ISR 4331, with IP phones 8851, 8841 and 7841. The Customer asked us to change the Language of the Names and Labels on Directory Numbers (DN) to Arabic Language (displays on IP Phones to ...

hello someone know how i can modify my rule to call at 13 digits now i just can call 10 digitsfor example 00 49 2129 xxxx-xxx shows like 49 2129 xxxx this is my current configuration dial-peer voice 10 potscorlist outgoing xxx-user-internationaltrans...

 I need to know How to configure 3rd Party IP Phones (Fanvil) with Cisco 3560, are these phones are compatible , if I configure voice vlan on Cisco 3560 switch , 3rd party ip phones will be able to to send voice traffic to switch. Any help to answer ...

Hello all,  is it possible to BAT in Jabber for Windows clients?  If so does someone have a link?  I was thinking that if I created one, exported it, then input the info for the new clients to that same sheet and then import I should be ok.   Is this...

Hello, Can the Cisco IP phones 8851 NR and 8865 NR be integrated/programmed within the Avaya session manager application?  If so, what are the steps or do you have any documentation to follow?  Thanks

Hello everyone,,  i have Cisco 2900 running as a VOIP gateway that connected to E1 interface that provide ISDN service ,, and connected to the 3cx server as SIP gateway,,  i need to add another E1 interface to use another voice number ,, so how i can...

Hello, We are currently trying to implement 802.1x port authentication and the idea is to use MAB for the Cisco phones and certificate based authentication for the workstations. In the majority of cases the workstation is connected behind the phone s...

Hello everyoneCurrently, my IP Phone system can't make incoming and outgoing calls at exactly 13h16' and 18h25' every day and I have to unplug the LAN cable connecting between the Cisco switchboard and the internet converter then plug it back in, the...

Hello everyone!   I have a UCS-C24-M3 that I recovered, but I can't determine if the unit is completely failed or if I need factory-reset server.   All front LEDs are green except that of the System status LED which is fixed amber but I think it is b...