IP Telephony and Phones

Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Cisco ATA 190

This has got to be one of the most frustrating Cisco products ever made.  I simply want to configure this device with an online SIP provider and plug in my existing analog phones. I don't have a call manager or anything else so I am unable to upgrade...

CUCM admin training

We are deploying CUCM (forced to) in order to transition over our current Movi/Jabber users (no IM, no phone). We have no VoIP or any other Cisco solution except for Video, neither do we envisage one. Is there a video specific CUCM training? Or are w...

nairrahul by Beginner
  • 2 replies
  • 0 Helpful votes

NTP question

Hi,Hard Phones are showing incorrect time - ahead by 30mins. Checking CUCM servers shows that DTG setting is correct (GMT+8). NTP is configured in CUCM and is polling time from our VOIP Gateway. Now, VOIP router clock is incorrect although NTP server...