IP Telephony and Phones

Hi, I have an ATA registered at the CUCME with extension 1502. This extension receives internal and external calls. I need calls coming through that ATA's FXS port to be directed to extension 1504 without calling 1502. I tried to do a call forwarding...

Hello,   I am trying to learn VOIP functionality on a cisco 2911. I hope someone on here can help me with this.   I have a VOIP provider called VOIP.MS I have a Fiber ONT connection going into a Palo Alto Firewall which handles all my routing and DHC...

With 3PCC models can someone explain the differences between the acronyms in the firmware? I know MPP, but what does MER and MES mean and what is the differences? 

Hello,I have ISDN PRI trunks for PSTN calls and use a Cisco CUBE as voice gateway. CUBE to CUCM has SIP trunk in between. In CUCM, we route the calls based on Calling Number. The purpose is to block spam calls in CUCM using translation patterns.Howev...

Hello,So we got some 7811 to replace our old phones that are not supported for the cisco cloud solution. We have the device pack installed and ready to go. We successfully added the device with MAC with the correct device type however when the phone ...

I called support and they recommended I come here for help. My CEO purchased 4 cisco 8851's for our medical practice. However, our phone service is telling me they cannot connect our IP addresses due to activation codes needed for the phones. I have ...

Occasionally a Unity subscriber will receive a message indicating the calling number is the phone number to access Unity. They don't currently have an email alert, this when pressing 5 for message properties. Looking at the logs, the Sender ID is in ...

I am trying to configure a conference DSP resource on the router. Below is the config:voice-card 0 dsp services dspfarmsccp ccm group 999 description Hardware_Resources bind interface FastEthernet0/0.501 associate ccm 2 priority 1 associate ccm 1 pri...

We have CME and some phones 7821 and also SCCP phones, the problem is when phone 7821 calls any phone, the called name doesn't appear on the calling's screen. I have attached a test phone 1333 place a call to 1345, the name of 1345 doesn't appear on ...

Hi everybody. We have a ISR 4321 Voice gateway registered in webex calling as a local gateway. I would like to know, if is it possible to configure this device as a local gateway and survivability and this device works as a local gateway and survivab...