IP Telephony and Phones

I currently have a 1760 with 128M ram and 64m flash running 12.4(15)T14. I have 1 2fxs card and 1 2fxo card. The router will only reconize one card at a time. For example, if the fxs card is in slot 0, it detects the fxs card but not the fxo card. If...

Customer has 3 sites, 3 CUCM servers and 1 unity cxn server.  The 2 CUCM servers are at the remote sites with the pub / unity cxn server is at the main site.  Not my design, just trying to resolve the issue with the failover in a WAN failure.  All au...

I have a client that has numerous users setup with extension mobility. The profile gets assigned to the phone when a user logs onto the PC associated with the phone. When the device profile gets assigned the user is presented with a programmed button...

hi,we have an 2911 cisco router with 6 ISDN BRI ports.I configured them as trunk group in round robin hunt scheme.The I configured a outbound pots dial-peer. I start an outgoing call. Debug isdn q931 shows that the call is going to the first BRI Port...

hello please i am finding it hard to understand how device pool locate remote site IP and how it does the reference to a particular branch?

I have a customer that has an existing Avaya Definity system and wants to connect either CME or CUCM to it with a SIP trunk.  Approximately 60-100 users.Is this possible with CME or CUCM (CUCM BE is an option too)?What do I need (i.e. CUBEE)?Do we ne...

Hi,I have call manager 8.5 and exchange 210 UM voice mail, all seems to be working fine and configured according to CUCM 8.0 Direct SIP to MS Exchange document.The issue that im encountering is that on the odd occasion, roughly 1 in every 5 connectio...

Hello All,In my reading I realise that sourcing MOH from a SRST router is really geared for the branch office.  But here is a scenario where at the head office I would like users calling in via T1 to here a stream from the router.The idea is that whe...

what is the recommended pvdm size for ISRG2 when using the vic3-2e/m module?when I add in 4 of vic3-2e/m, is pvdm3-16 sufficient?Is there any pvdm sizing guide I can look at to determine the required size?also anyone know how many line is included on...

Hi all,I am trying to register a cisco 7975 phone in cluster . phone is getting registered to cucm , But if i reset or try to login to phone using extension mobility it again start to showing upgrade. what could be the problem.CUCM version : 8.0.3.22...