IP Telephony and Phones

Hello, I need some help on the next question from an customer of us. The situation is as follows:An ISDN trunk with 30 channeld (E1): needs to be splitted up in:10 channels for inbound, 10 channels for outbound, 10 channels for overflow for both.It's...

Does someone knows what "Dynamic Cluster Config" parameters is about on CUCM?

Hello,"Unmapped Exception null" when Adding a New DN on an existing phone ( Cisco Call Manager 7.x )Specifically when doing the above on existing phone within CCM  - clicking on any of the Lines, say Line [5] on the Cisco 7965 phone - it does allow t...

Hello,is there a way to show part of the userid in the login prompt ?We have a customer that uses the complete email address firstname.lastname@sub.domain.com as EM login and I would like to have sub.domain.com shown by default in the text field (wit...

How can i use a 2048bit key size for the callmanager certificates ?

Hi,We are implementing jabber MRA and i have a query regarding traversal call license.Do we need traversal call license in Expressway-E inorder for jabber to work over internet..??Currently expressway is displaying 0 traversal call license. Currently...

How can I add hundreds if ip communicator users with the same dn as thier regular extension? TAPS won't allow duplicate directory numbers

Hi The below dial-peer does not give any dial tone to the caller dial-peer voice 402 voip destination-pattern 3XXX session protocol sipv2 session target ipv4:FAXSERVERIP dtmf-relay rtp-nte codec g711ulaw fax protocol t38 ls-redundancy 0 hs-redundancy...

Not sure how to troubleshoot these new phones, but when I power the phone via wall power (power cube) or 48v POE, the phone LEDs stay on for a second or two then go out, and then the phone does nothing.  No display or additional blinking lights - not...

Hi!I have a strange situation. After upgrade from 10.0 to 10.5, DHCP on CUCM is no longer working.Bug or there is some new security settings somewhere that prevents CUCM to be DHCP server??

Hi Everybody I have 2 phone registered to the same CUCM( 7.x also tried on 8.1)  cluster.(have only 1 node in cluster)cipc with SCCP3rd party SIP soft phone with SIPI am unable to dial SIP phone from SCCP phone , but the SCCP phone is reachable via t...