IP Telephony and Phones

How would I connect 2 sites together by 1 gig single mode fiber and not using a vpn. I wanted to directly connect both sites using 3850's in each location. The connection is for server replication and fail over. I was thinking of using a layer 3 swit...

Hi,the customer has requirement that when he calls from a mobile network into a DID number of his office after this he should be prompted for a pin code and then he should be able to make a call to any number through his pstn gateway. is this possibl...

I have been tasked to upgrade our Cisco Unity Call Manager v8.6 to v10.0   I did a quick search to try and download CUCM 10 iso file.   It seems this is only provided to resellers or Cisco Partners, is this correct?   I am a member of an IT team work...

Hello, we have the following setup. The CUCM connect via SIP trunk to a Cisco 2921. The 2921 have a SIP trunk to a phone provider and BRI interfaces for ISDN connections. The SIP trunk provide the phone numbers for office 1, the BRI interfaces the ph...

Hi guys,Is it possible to dedicate E1 PRI channels for an extension or group of extensions?  Scenario1: Our client wants to dedicate an E1 channel for an extension which will serve as an "emergency response" number.  As such, they want it to always b...

Hi,  I have Cisco CME 2901.The Ios vesion is 15.3(3)M2. The CME version is 10.0.CP 7926G. MY wireless phones downloads very well the tftp parameters, but they not calls the others phones.some one can help me please? In attached my 2901 et switch show...

We have  CUCMs 9.1 in 3 locationsCUCM_Loc1CUCM_Loc2CUCM_Loc3 We have a SIP trunk between CUCM and third party IVR. The third party IVR needs to see the SIP invites come from each individual  CUCM to handle the audio locally and not traverse the WAN.T...

Dear All, currently i configure 8831 (sip phone) for callmanager express.i already can register is using cli. but when i activate the cme gui, i can't see 8831.is it (8831) not supported on cme gui?i already read this post https://supportforums.cisco...

Dear friends, Anyone knows if phone 7940 is supported on call manager 10?  Thanks Marcio

I work for big company and we have different phone models, but now we are having issues with 2 models 7940 and 7960. Every time we try to access the directory, we are receiving directory HTTP error 503