IP Telephony and Phones

Why IP phone need to know its VLAN information?

Hi allI want to redirect incoming call to any co-worker if he/she is not on seat to my extension by simply dialing his/her extension, i dont want to use typical pickup or pickup group feature because i dont to press pickup button and then press answe...

Hi guy's I am trying to setup a voice mailbox to my users using CCA 3.0 on a UC560 Router and it is not working. Whenever I tried to open my messages using the voicemail extension that I define I just get a busy tone. I tried to login on Voice View E...

         Hi Guys,Today my Customer did upgrade CUCM 7.1.3 to 8.6.2. After this activity, we verified that any IP Phones 7911 was locale in Portuguese and another in English. When did restarted this IP Phone It stayed all in English, the same problem ...

Dear Support ,As we migrate the E1 lines from CMM module to new Cisco 3945 router , after then we not able to dial outside through E1 . its give message call can't be complete as dial . same configuration is configured on router as in cmm ,new 3945 r...

We're using UCM 8.6. When outside callers enter an invalid(unused) extension they get a message stating "You cannot be transferred to this number, it is busy". Although this is true, it confuses the caller into thinking that the extension they dialed...

Got a weird one gurus.  We have a call manager and unity at our headquarters and numerous remote sites running over mgcp.  I have a problem at one of the locations.  This remote site has a standard PRI connection to the pstn.  When a call comes in an...

Hello I need to know why I do no heard anything when I dial from of pstn>GW H.323 > MVA I have this configured :dial-peer voice 6098 potsservice mvaincoming called-number 6098 direct-inward-dialno digit-stripport 4/0/0:0dial-peer voice 76708 voip pre...

Has anyone had any success getting this phone to register to Call Manager?  I have been jumping through hoops all day - I am not able to get the phone to register to CM.  It gets an IP Address from the DHCP server and I have hard coded the Call Manag...

When users launch Visual voicemail application on their IPphones - is there a way to have the extension field pre-populated with te phone's extension.  The Visual voicemail documentation does not show a service parameter for extension (comparing to, ...

Kindly provide KB DC directory integration with call manager 4 and maximum how many users can be synched with CM 4.