Hi, I have problem with ip phone 7970 After last digit is dialed and before a call from the 7970 phone routed at the Cisco Callmanager this step is very slow compared with other models for example an ip phone 7960 this steps is very fast, I just now performance upgraded of firmware at the cmterm-7970_7971-sccp.8-0-4SR1.exe but this does not resolve the problem, I have ciscocm.4-1-3-sr3a.
in other words, A slow time of dialing is observed in cisco ip phone 7970 while the user makes calls to any Phone or Call PSTN
For example :
Lift the hanset to go off-hook
Enter the number that I want to dial
Here this the problem
The call has now been placed but very slow dialing at the cisco callmanager and I can hear it ringing on the handset.
Ok let me understand, when you finish entering the digits you want. No response from CCM ie. no ring back tone, no PromptStatus like Ring Out, called IP Phone rings but originator in this case 7970 is not showing current status?
Or while entering the digits theres a long delay while being displayed...
Or you are experience an Interdigit Timeout problem.
Other phones connected to the same switch experience same behaviuor when dialing same number?
Actually everytime you press a digit, (StationInit KeyPadbutton), IP Phone send it to CCM and CCM as long as recieve those SCCP messages start processing digits into DA, IP Phone is just sending them to CCM.
Hi, all work fine except in case of ip phone 7970 when finish the dialing the last digit and IP phone send it to CCM here the problem,
the IP phone send very slow the digit it to CCM, when sending them there is a delay among each digit, other models of phones in the same switch are not have the problem, and this problem only occurs this models(7970).
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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