IP Telephony and Phones

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Hi,I'm have an issue with transferring calls to a specific SIP trunk in our call manager.  Anytime a CP-88XX telephone tries to transfer a call from inside or outside to this one SIP trunk, the call gets stuck at the 88XX phone like it is on hold but...

We are trying to make (very) limited use of old office SIP phones. I would like to know if any of these Cisco models, all of which I expect are long since past end-of-life, can be used as stand-alone SIP phones. By stand-alone I mean fully directly c...

Fejj by Beginner
  • 3 replies
  • 0 Helpful votes

Hello ... for CUCM 10.5. When a user is on a call, a second call goes straight to VM without ringing. Also, when a users puts a call on hold, the call drops on resume. Max calls set to 6 and Busy Trigger set to 2. About to dive into call trace but no...

cmite by Beginner
  • 6 replies
  • 0 Helpful votes

I've had a strange issue come up the last couple weeks with a couple agents in our environment. Both users are utilizing an 8865-model phone (video phone). Both have an RDP associated to them that of course routes to their cell phone (SNR). What I fo...

jrdodson by Beginner
  • 4 replies
  • 0 Helpful votes

I am new to working with our Cisco call manager and Jabber in general. I created a new Jabber phone instance for a user, but I have been unable to figure out why it won't login.I followed written directions that are kept for procedures on how to crea...

tyoder by Beginner
  • 2 replies
  • 0 Helpful votes