IP Telephony and Phones

I use a h323 gateway with vc2-4fxo card to connect to the PSTN  I have a problem that when a call come to unity connection and the caller dial a wrong extension number and end the call the unity dose not release the call and the line is busy i need t...

Hi,  i'm facing a problem redirecting calls via line groups. i don't want to configure a hunt pilot, the only thing i need is transfer calls from a person to another. first, is it possible to use a line group without configuring a hunt group and a hu...

Hi, I have an 8865 that is remotely installed and connects over MRA (Expressway-C&E) to a CUCM 11.0 At the remote site we have a TP-Link Wireless router. The TP-Link has WiFi and 4 Ethernet ports. When I connect the 8865 with a cable on one of the Et...

HiI know Cisco had discontinue this software, however is there someone who are able to share? I was trying to use erlang C and B and the output is totally incorrect.Thanks in advance,Chris

hiI have CISCO 7.1  integrated with nortel 81c with 4 PRI-QSIG link, I need to know if its enough for 500 users, if there is any tools in cisco to calculate that, please provide.Regards,

I think I have this worked out right, but I thought I'd ask you all to get some feedback in case I'm thinking wrong.  Mostly I just want to confirm that the digits I'm using and how each dial peers is configured related to how the calls come in and g...

Hello Experts, I am facing strange issue, where any internal extension to extension calls on my CME giving fast busy. I have attached the debug logs of call between extension 4411(Calling) and 8801 (called). 8801 is also a shared extension between SI...

I'm using CP7821-K9 VoIP phone. I have added 138 entries on Personal address Book in Personal Directory. When I tried to search by last name, first name or Nickname, LCD shows below. I did following instruction step-1 through step-5 described on your...

Hi, We have CUCM deployed with 40 IP phones.Customer requesting for 802.1x authetication using clearpass. But, I am able to see only config guide using Cisco ACS where we add switch and CUCM. I need your help to know whether it's feasible to authent...

I Purchased a CISCO 8841. I had a really difficult time programming it due to my lack of knowledge of the product and decided to go with another model phone that is working well now. With that Said I am selling my phone for $300. Brand new in the box...

I have a department that consists of 16 operators that answers the same DN. Today the department started experiencing an issue with answering incoming calls. When an incoming call would come in the call will appear on all phones. When an operator tri...

We are currently using a Cisco 3845 router as our voice gateway and would like to add two NM-HDV2 modules each with a VWIC2-2MFT-T1/E1 module. If we power off the 3845 router, install the two NM-HDV2 modules, and then power the router back on should ...

Hello, I have a user who cannot receive or place calls using their IP phone. When their phone is dialed, you just get a Reorder message and a fast busy tone. However, we have set up another softphone on a separate computer with the same configuration...