Hi allI got a problem now I using ATA 191 but my analog phone(See attach) not working when I used star code follow belowTransfer a Call from Your Analog Phone >> not working I got busy toneMake a Conference Call from Your Analog Phone >>> not working...

Hello everyone    I have cisco telepresence sx20.I want to know product it's age and the location it was build.Serial : A1AB15300108Anybody have reference or document to explain ?Thank you

      I have cisco router 2901(cube) but customer need 120 concurrent 1000 number question router 2901 is support ? I saw picture below maximum session 2901 is 100 that is concurrent 100 ? CUCM---SIP ---CUBE---SIP is topology...  

Hello all   I'm configuring a VG202 using the MGCP protocol. However, I get no ringback tone when I call to pstn. where I mistake please suggest me.see config below. Show run Building configuration... Current configuration : 1612 bytes!! Last config...

Dear everyone      I have a problem I'm implement PSTN>>>>VG(10 FXO)>>>>CUCM>>>>>Unity connection(IVR).Now auto attendant(9000) is working but at CUCM page gateway fxo port Port Information (Loop Start) attendant DN I put number 9000 but when I call ...