I need to know the design requirements involved while designing solutions to the client based on the number of users.
i.e., Design of IP telephony requirement for 10, 20, 30, 40, 50, ........ different users.
Like which router, Switch, IP Phone, Voice car...
we have ring back tone issue with below scenario PSTN -----PRI (E1)----SIP VGW--- SIP trunk-----CUCM----SIP TRUNK-----CUC(AA)---Transferred Calls to Internal IP Phone.When incoming call trough above scenario and Transferred by Unity AA to intern...
Hello, I'm using CUCM 11.5su2 and my 69xx series phones clock did not changed in autumn clock backward. There is no problem in ntp server and all other phone types (about 600 phones) are OK.
This problem was reported in CSCuf76755 but affected firmware is...
what is the main reasons of the below error , after debug ccsip messages , i have the below in place
1. all routes in place
2. Bind loopback on CUBE
3. Correct ip of SIP Trunk in HQ-CUCM pointed to HQ-CUBE Loop0
4. Correct ip of S...