IP Telephony and Phones

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Hi,In my CME 7.1 version, i have to configure the CP-3905, but if i list the possible models, just  show 3911 and 3951 , how can i have load the CP-3905?Follow:ROUTER_VOIP(config-register-global)#load ?  3911       Select the firmware load file for 3...

We recently replaced a dead ATA 186 with a 187.  Since that time the caller on the analog side is noticing static on their side and the other caller is hearing echo.  We have tried changing pairs between the ATA 187 and the analog phone, but the issu...

Dear NetPro gurus,My client just installed a brand new CME with CUE on a Cisco 3945 ISR G2 router.  However, they have over 30 Analogue phones which are connected to 2 x Cisco VG224, which in turn is registered with CME.They have the following enquir...

                   Hi all, today one of our site in South Korea reports that they can not hear the voice when pickup call from ISDN, both incoming and outgoing are same issue. system was runnig without problem for months and there is no any change on...

Dear Community, I have been requested to explore the possibility of using G.726 codec within and between regions on Corporate Telephony System that involves CUCM8.5, CUCM6.1 and a couple of Call Manager Express. I was wondering if g726 is available o...