IP Telephony and Phones

I'm struggling to get my CP-840 phone to recognize any certificate that I upload into the device. After finally getting a .p12 formatted cert uploaded, when I go to connect to my enterprise Wi-Fi, the dropdown menu for 'CA Certificate' doesn't show t...

I have a Cisco DX70 videophone that is stuck in phone only mode. Even if I reset the entire phone it will reset into phone only mode. Have searched the settings for hot to get out of this and I cannot get it done. Any help would be appreciated as thi...

Hello, we have implemented direct routing and noticed that if i do an call forward all in Teams (to direct routing SBC) to my mobile phone and then receive an call from external, the call will not routed to my mobile phone. It seems that this is rela...

I want to connect cisco 8831 mic to pc is it possible?

My organization is in the process of switching over VoiP phone vendors.  Our current vendor provides us with service and support, with our current Cisco VoiP phones, until we switch over in the next few weeks.  Will we be able to get some type Cisco ...

How am I able to see every single external phone number mask on CUCM?

We have been running SAML SSO for nearly three years no with no issues.This week we lost Single Sign On for a day.  Got this error:Invalid SAML response. This may be caused when time is out of sync between the Cisco Unified Communications Manager and...

I have cucumversion 8 and now fro last four days we are facing an issue that most telephone suddenly showing message UCM DOWN Feture Disable message and call disconnected,, Can anyone help foe this issue as we are facing too much trouble because of t...

My company is moving to VOIP phones and we were asked to disable SIP-ALG. I ran the command and performed the test that the company wanted me to run. In the test results it's still showing the SIP-ALG is enabled. Has anyone ran into this issue? Below...

I have a cisco 6861 and when out on the shop floor working with noisy machinery i cant hear it ring in the office, so i either need a loud ringer attached to it or a bluetooth headset attaching to it that alerts me when its ringing. ive tried chattin...