IP Telephony and Phones

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Hi Guys, I got issue in my CUCM in outgoing calls. I created new DNs & can’t make outgoing calls (incoming is Ok). This is the gateway connectivity SIP---CUBE-SIP Trunk to CUCM Old DNs are working fine & no issue. New DNs are exactly the same. We exc...

Suchi by Level 1
  • 407 Views
  • 3 replies
  • 0 Helpful votes

We are having a real strange issue with our 4331 gateways when testing SRST.  Information 4331 Configured in CallManager via SIP 4331 has an Inbound PRI Config Snipit dial-peer voice 1000 voip preference 1 destination-pattern 51754[13]....$ session...

mzajeski by Level 1
  • 1629 Views
  • 13 replies
  • 0 Helpful votes

Resolved! DID to extension

How does CUCM map incoming 10 digit calls from PSTN to the 5 digit extensions in CUCM? I have searched but cannot find how my Call Manager does this. There are no transformation patterns or translation patterns in CUCM or configuration on my MGCP gat...

Issues A user is having problems where when people call him, sometimes he receives busy signals, but his phone rings, he picks up and there is silence.The same user said that at certain specific times of the day he has been getting busy signals. Sc...

Hi,I would like to get some advice on CUCM integration with LDAP. Our CUCM 10.x is presently having local database and want to have it integrated with LDAP server. We want user authentication against  corporate AD and users being managed/ imported fr...

kevinfost by Level 1
  • 613 Views
  • 10 replies
  • 0 Helpful votes

Resolved! SIP topolgy

Experts, Can any one help me with SIP toplogy. Any good example. I need clear idea on the device connection, From SP side where it is terminating in our environment. What configuration we do in router. Is SBC i used in every cisco sip topology. L...

Experts, Can any one help me with SIP toplogy. Any good example. I need clear idea on the device connection, From SP side where it is terminating in our environment. What configuration we do in router. Is SBC i used in every cisco sip topology. L...