IP Telephony and Phones

Hi,i have to migrate every analog phone to 100% voip.But actually i dont know so much about this technolgy, i got documentations, but still don't understand some stuffs.i checked Unified Communication System 500 series platform.. it seems to be a gre...

I'm looking for the MTBF of the 7900 series phones. I used to find it on the data sheets but it is not there anymore. Does anyone know where this information can be found?Terry

I have a customer who wants IP phone users to be able to connect/call to their intercom/paging system. Is this as simple as attaching the analog intercom system to an ATA adapter? If their is something more complicated, can someone point me to docu...

I'm using CallManager 5.1.2, I gather my trace files using RTMT, when I open the file the timestamps for each line are 1 hour off. Where do I check the system time in 5.1.2?

How do I verify what the current dvice pack level(for instance somebody applied device pack 36 back in April 1) and whether the ciscocm.4-1-3-2007-DST-Update.1-0-1 has been applied?

When I plug in a 7941, it gets the inline power from the switch, lights all LEDs and performs the following cycle: Breifly lights the Mute button, and then lights the Speaker button. After about 10 seconds, the Speaker light goes off, line 1 button b...

Hi Please forgive me if it is a very basic question... but i just want to clear out the doubt out of my mind... Do we need a line associated with a phone even if we need to make a emergency call ? As I believe only if a line is associated we can m...

Hi, We are running CRS 4.0. We are not able to view any real time statistics of the calls on CRS Real Time Reporting.And the Status shows NOT CONNECTED Help me out !! Regards,

please i have customer need to be able to record the voice call that done . so if anyone can advice me with any suggestion or application

Hi,Does anyone have the settings required for an FXO port using a BT phone line?My FXO port is remaining offhook when calls have been disconnected...Hope someone can help!Thanks,Peter.

One of our customers has a helpdesk which roughly 12-15 phones belong to.All of them are setup with the same CSS and Parition apart from 1 phone.For some reason, this particular phone can't be dialled from an external source, or have calls transfered...

helloI Have to know how to set up ip telephony in my Company.From where can i begin?10xs

i have ap roblem that the fxo hang suddenly for 30 minutes and that occur nearly ach 2 days

I am trying to route calls over a "hairpinned" T1 on a 2811 router between two MFT-1T1 ports. Works great with PRIs, but I can't get a CAS E&M trunk to work. I know that analog E&M can be tested this way by using a rollover cable with the type that i...