IP Telephony and Phones

How can I get the Corporate Directory service to pull data from Active Directory LDAP without going through CallManager server?I have some tenants that want to use Corporate Directory on their 8851 phones, but they belong to a different LDAP domain t...

When opening the RTMT tool I get an error "There is a mismatch between timezone versions on this RTMT and the server you are trying to connect." Both my workstation and CUCM server are pointing to the same NTP so the time is the same. If I click Yes ...

Q.1 Where is early media generally used? Any examples would be useful.  Q.2 For an early media call, will there be 2 sets of media negotiation or only one set of media negotiation for early media? Please mention the call flow for early offer-early me...

Wanted to see if anyone else has run into a situation like this. We have one user that is having a issue with his Connection mailbox. When receiving a new message the user calls into his mailbox puts in his credentials and when he plays his new messa...

can anyone tell me where i can get this? I have searched the site if you could find it or know where it is please provide link. TIA

Good Day!                Can I use 4 Pole Euro connectors for the CTS-MIC-TABL20 as used in  CTS-MIC-TABL60 ? 

Is there any Health check tool for Health check tool for CUCM, CUC, IMP, Expressway, CMS  that gives complete report of health check? Any third party tool or from cisco????

We are trying to delete some obsolete calling search spaces.  When I look at the dependency records for a particular CSS, it shows a number of hunt pilots, but I can't find any reference to that CSS on the hunt pilot page so I can't remove the depend...

Hi, DTMF fails on outbound calls with CUCM 11.5 -> SIP Trunk -> CUBE -> SIP ISP. I have a CUBE that works with both inbound/outbound calls. However when I place an outbound call to an external source through the SIP ISPI can't pass DTMF. Entered digi...

Can someone please help "How to change ON HOLD MESSAGE record for an Extension ?"Please advise where I can find the settings/feature to change it.Regards.

Hi All, One of my customers has this problem, when you search their company name and the first octet of domain name add name there, it can google for XMLdirectoryList where can be personal numbers of client users.For example you search for "Peter Cal...

We recently rolled out VoIP infrastructure on the network.  Now my boss has me looking into utilizing CAR to set billing rates for users in our system.   I am just a R&S CCNP, not a Collaboration anything, I adopted this by being the person in the po...

Hi allWe have been given a SIP address by our ISP to send the calls to.They have give us a NAPTR record, and 2 A records.Would you point the dial peer to the NAPTR record?also if I wanted resiliency to the ISP, would you just create 2 dial peers with...