IP Telephony and Phones

Hello,We currently have a Cisco 2901 running Cisco Unified Communications Manager Express. We're running Cisco IP Communicator 2.1.2.0. We're running Cisco VPN Client 5.0.07.0410We have a Cisco ASA Firewall When I launch CIPC, it becomes stuck at the...

I have five 7965 phones that I'm configuring in CM 8.6 to function in the following way:  Four of the phones dial the fifth phone when the handset is picked up, so the fifth phone is like an operator.  The person on that line can answer questions tha...

So I have a weird one. I'm just goofing around... I'm a route and switch guy, but have recently discovered the world of telecom and collab - WOW different world... Anyway... I have CISCO 8865 & 3 7920 SCCP wifi phones --> CUCM --> SIP Trunk --> Aste...

Does it required to have QoS for video conf and voice on MPLS  link where utilization is about 50% only ?

Got issue with one of cluster where in I was able to ping the Publisher but not able to ping subscriber,unity and uccx. Checked and found on Vmware virtual machine that on particular host A Subscriber,unity and uccx it was disconnected.Host 10.X.X.X ...

I'm wondering if anyone has encounter an issue similar to this. Assisting a customer with a call on hold issue, when a caller calls into the corporate phone system from the PSTN, after being placed on hold for 15 minutes or more the calling party cat...

Hi Guys, This is a strange issue I am receiving, we are making a calls from the CUCM system using analog trunks and the external IVR is not recognising the digits we have entered. I unplugged the analog trunk and plugged an analog phone directly and...

hi all, customer has no internal CA to sign cucm callmanager service. has anyone had any experience signing cucm with public CA and found out it was missing few x509 extensions? the CSR has X509v3 extensions:X509v3 Key Usage:, Digital Signature, K...

Good Morning, I need to know what is the MTBF (Mean Time Between Failures) of the following Cisco 7900 series Ip Phones:  7911791279407941794279617962 Thanks a lot for the support provided  Best Regards  Alessandro

Is it possible to connect a Bluetooth Headset on a CP8961 with an USB Bluetooth Dongle? What Dongle will be supported?

Running Unity Connection 10.5. When a call goes to CUC the system answers the calls not the individual users mailbox. You get the recording "Hello Cisco Unity Connection Messaging system. From a touch tone phone....." I've stared and compared to othe...

The SDP negotiation fails. It seems Opus is not available in the phone. I am using firmware version sip78xx.11-7-1-17 which is supposed to include support for this codec. Any help? Regards Luis --- DEBUG> show capabilities Show CapabilitiesDevice M...