IP Telephony and Phones

Can someone tell me what the advantages of SIP are?

I have setup my IP phone with one default directory number. eg. 8456. I noticed that this number is setup at line 2.How do i make sure that this directory number is setup at line 1 ?I cannot find this settings in CUCM.I m using CUCM 8.5.1.The reason ...

How can we bulk import data for the Caller Input "Transfer to Alternate Contact Number"?

any one have link to updated quoting tool? I am trying to add couple of CTS endpoints and need help with sizing CUCM and related licensing.thanks,Sam

Hi,I've following call-flowPSTN --------FXO/3925/CME----CUE AAI realized at times when PSTN caller presses extension, the CUE keeps on repeating the AA Pilot prompt instead of directing the call to extension number. It's happening intermittently.I am...

I am trying to setup a link between my CUCM and another office via internet.I want to protect our network using a 2801 as a border GatewayAs a proof of concept I have the 2801 (C2801-IPVOICEK9-M), Version 15.0(1)M5) as the Gateway connected to via 10...

hi alli am using cupc 8.5 and in the bottom i am unable to check 'use my desk phone for audio' also  i have enable user for desk phone in cups. lines for both phones and cupc is associated with user. user is controlling both cupc and phone. on cupc s...

I have a C2911 router (IOS 15.0) with the internal PWR-2911-POE power supply and a NM-16-ESW Switchport Module with PPWR-DCARD-16ESW. I do a show inventroy and the POE power supply and Switchport module are present. No POE is present on the interface...

I have new CUCM 8.5 installation and want to present notification of a call and its CLI to an XML server.  Can anyone assist me with this?

Hi all, I am now using the CUCM 8.5, and trying to send the CDR record to the billing application (CM8.5 > FTP)But it seems not working, seems the CDR record cannot send to the FTP ...Here are the things I have checked:In Cisco Unified Serviceability...

I'm running into a problem with VoIP phones not working properly when the port they are connected to is configured with "ip verify source port-security". It appears the phone boots and gets an IP address, but beyond that it just hangs. I do not have ...

Hi,I have a 2811 router with 2 E1 Pri and connected to a 4.1 CCM.My understanding is that the link between CCM and the PRI is direct through the binding belowinterface Serial0/0/0:15 no ip address encapsulation hdlc isdn switch-type primary-net5 isdn...

Actually I have this architecture:- Cucm 7.0.2- Presence 7.0.3- Unity Connection 2.1.0I'm going to upgrade the Cucm to 8.5 version.What about presence and unity connection?I have to upgrade also this 2 server?Thanks