IP Telephony and Phones

Hello I am planing to buy Cisco 8851 or 8861 IP phones. Can i use these phones with 3CX or any other VoIP provider? I do not have Cisco unified system. If i can use then do i need to change any firmware or it is ready to use same as Cisco 525G. Than...

HI All, For one of my client, I have configured schedule backup for CUCM in DRS and mapped with backup server where I have installed and configured SFTP software. Now if my backup server is logged in then scheduled or manual back up works perfectly ...

Hello, we have some BE7000M servers with VMware ESXi 5.5, and we would like to know if there is an SNMP MIB that permits to get the CPU Performance Counters (i.e, the Latest, Maximum, Minimum, and Average usage values, for every CPU). If not, is th...

Twice a year we have to deal spring forward or fall back or whatever it is ! I will try to make a list of sites, but to summarize, Cisco is missing some time-zones / saving settings. Let me give you an example... Abuja, the capital of Nigeria  ( Nig...

I noticed in my callmanager 10.5.2 that there is one extension lets say 3000. It appears as line 1 on more than 35 phones, Does anyone know if there is a maximum number of phones that a single extension can be on? I know some PBXs have limits that va...

hi, we wish to implement the cisco ip phone with be7000, may i know do cisco voice can track staff attendance record? if yes, can anyone share how and where to do it? Regards, Justin

i have added 90+ users to cucm 10.5 with ext. now i need to add jabber, android and iphone call profiles, can someone point me on the right direction. i have used Jaime Valencias tuts but stuck at this. every one adds phones but i dont need them. th...

  Hi Am facing with 9971 SIP phones taking time to connect call outside. When phones are in idle state is getting delayed to turn ON (4 sec),if the phone is in off hook state for dialing the PSTN is also taking time to connect. At the same time we ha...

Good day is there any product as an additional speaker that can raise the audio sound of the ip7841 and 8841 phones? Greetings and many thanks for the reply.

We have two license questions: 1) If we have an 8841 phone that takes up an Enhanced license and then delete the phone from CallManager, does the license get added back to the available licenses? 2) We have several vg224's and believe that each por...

Hello All, *I have less than 100 Phones connected to Call Manager which is displaying 30 sec delayed time *Phone NTP Reference and Date and time group is pointed to my Voice Gateway Router where it was already configured as NTP Master *I checked the ...

Hello,  We are looking to migrate to a 3rd party SIP vendor from Call Manager. I need to get the phones migrated to the 3rd party. Has anyone had any experience with this? If so could you share an XML config? What I have so far is refusing to connect...

Hello I have a doubt, I need to install Cisco IP Phone 6941 SIP Mode at call manager express 8.6 I found that 6941 needs this files: BOOT69xx.0-0-0-14.zz.sgnDSP69xx.0-0-0-8.zz.sgnSIP69xx.9-2-1-0.loadsSIP69xx.9-2-1-0.zz.sgn After I upload these fil...

I am working with a new ISR4331 and outgoing dial peers are not matching [range of digits] properly. Dial-peer 100 should match 00100~00999, but it doesn't. I get 'no match' when the second zero is entered.  00 = 'no match' !dial-peer voice 100 pots...