IP Telephony and Phones

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Hello All , I have configured Auto Attendant all call Handler ( Greeting) are working , but i want main greeting to play again if there is no input from caller on sub-Greeting .  i need to configure main greeting for all sub greeting . please advis...

UCS C240 10.68.1.15 -> CUCM1/CUCM2/Unity1/CCX1UCS C240 10.68.1.16 -> CUCM3/Unity2/CCX2Publisher    -> CUCM1Subscriber 1 -> CUCM2Subscriber 2 -> CUCM3firmware Upgrade done on 10.98.1.16 Now we need to upgrade the Firmware for UCS 10.98.1.15 Cisco Unif...

Hi All, my PSTN provider will upgrade their T1 line to SIP recently, and i have some concern about the VG configuration: Currents CUCM 11--------> H323------> Voice Gateway 3925 ---> T1 ------>PSTN In new scenario i got one SIP router from servic...

Kosi227 by Level 1
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Hi, Need help on Cisco phones power up. This is for my Home Lab.  I have purchased Cisco 3550 Switch and 4 Cisco 7940 phones, when i try connecting the phones to switch, nothing happens (Blank Screen). On the Switch side, i see a behavior where the...