IP Telephony and Phones

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Strange SIP problem

Inbound Call PSTN>>>CUBE>>>CUCM (Sub1and Sub2 in DC1, Sub3 and Sub4 in DC2) INVITE comes into cube from carrier CUBE sends invite to Sub1....no response CUBE sends invite to Sub1....no response   I then set a DP to send calls to Sub3 and Sub4 INVITE ...

Message Indicator for 8845 phone

I have a 8845 phone with a line that is cfw to voicemail using CUCM 11.5.  The MWI for the line does not show unless you take the line off of forward.  My 7841 phone will indicate a voicemail while CFW is in place, but not the 8845?  Not talking the ...

AT by Beginner
  • 326 Views
  • 2 replies
  • 0 Helpful votes

No announcement in queue

When a caller is placed into the native queue you do not hear the initial announcement or MOH.  The queue works correctly, just don't hear any prompts.  This did work during initial setup, but stopped for some reason.  Has not been put into productio...

AT by Beginner
  • 347 Views
  • 2 replies
  • 0 Helpful votes

Design of IP telephony system

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, Voic...

SYEDIRFAN by Beginner
  • 192 Views
  • 1 replies
  • 0 Helpful votes