I am getting errors below on the gateway and some users are reporting a sporadic loud beep after placing the call. After they hear the beep, users usually hang up. I have asked a few to keep the call active and it disconnects after 4 or 6 minutes. ...
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Recently installed Cisco Phone system version 12. updated all (39) my 8841s to the latest 12 firmware. Router IOS level is 15.x. They all worked great, but recently after a day or two some of the phones will fail to make calls in or outbound. The use...
Team: I have a customer that bought a Cisco 4221 and installed the PVDM4 on it. I can not see the PVDM in the router and searching over the Cisco Database, the Cisco 4221 does not support PVDM and dont have slot for that. Also Im trying to get a IOS ...
Hello everyone--i've got a client with a SIP trunk running through CUBE. Issue we're having is this--when they call-forward-all to an external number, it's sending the original outside calling number, instead of the DID of the Cisco phone. I'm wond...
Hello, I have been spending hours the past few days trying to get my SIP trunk configured for my deployment of CUCME. When I try to make an outbound call all I get is that busy signal and unknown number. When I try to call in all I get is "This num...
Hi All,i am currently trying to configure SRST to work with about 10 9971s. my SCCP phones works fine in SRST, but not the SIP. i am using the following guide to configurehttp://www.cisco.com/en/US/docs/voice_ip_comm/cusrst/admin/sccp_sip_srst/config...
Hi Friends, We have issue with Ring Back on specific numbers. IP Phone(7841)>>CUCM>>VG(MGCP)>>4 FXO line>>ITSP When user dial to external number(Specific number ) and not getting the ring back. Some particular numbers only. All other number are...
Hi All I trying to upgrading the Cisco IP Phone 7962 using soft reset 123456789*0#, but not work. Then I performed a hard reset 3491672850*# , but now it is in a loop in the TFTP server and the IP Phone showing blank screen. The version firmware is ...
dear i need clarification about some thing my manager has cisco phone 7821 he always complain about quality of voice and he cant hear well we have another phone 7945 installed in our office he tried and its fine .. so now the question is which phone...
Hi guys! I have a problem of congestion with my router Cisco 3900 and I don't know how to increase he's ability (processor I believe or something else!) to stop that congestion please if anyone have any idea help me! Thank you
Hello Is it possible to register simultaneously sccp and sip on Cisco phones? thankyou
Resolved! CUBE - Selective Outgoing Privacy Header
Hello, All!I'd like to selectively block outbound CallerID on a SIP trunk. I've come up with two methods to block the CLID, but I'd like to know if there are better methods.From CUCMCreate a secondary SIP Trunk with Privacy enabled. Create a Route Li...
Dear All, I am looking a good CCNA Collaboration document for self study, please share & help. Thank you in advance.
Hey All, received a security vulnerability alert today. The details are here: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-multiplatform-sip The vulnerability is related to phones with multiplatform firmw...
Placing a call from one UCM 11.5 cluster to the next the call fails. The phone rings on the other end the call is dead. The setup..... CUCM 11.5 <SIP Trunk> CUBE<SIP Trunk> CUCM 11.5 using two 7965 (SCCP) on both ends. Attached is the sdl trace, de...
