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Cisco Bug: CSCun07598 - Allowing to add existing Directory Numbers in Call Park list

Last Modified

Mar 25, 2014

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

Adding existing Directory Numbers in Call Park list

Register 10 phones with following DN format(call routing-Directory Number) - 1000,1001,1002,1003,1004,1005,1006,1007,1008,1009
Go to call routing-call park - add new 

Case 1: True
If we try to add 1000 or 1001 or 1002 or...1009 in call park list then it will through error like "Add failed. Cannot insert or update pattern. A DN exists with the same pattern and partition." 

Case 2: False
If we go to add 100X in call park list ,then its accepting it. But X is the range from 0 to 9. That means it accepts 1000 to 1009 Directory Numbers.

In case 1 its throwing error.In case 2 it is accepting existing directory numbers.

Let me explain in Scenario wise.

Register phone like this.
A-1000 B-1001 C-1002 D-1003 E-1004 F-1005 G-1006 H-1007 I-1008 J-1009

Scenario 1:

A(1000) goes to call B(1001).
B decides to do call parking.
Automatically call parking number will start from 1000(Because we have registered 100X in call park X will start from 0). 
So B goes to retrieve parked call by dialling 1000 from C.
Suppose A disconnects call during the retrieve time and going away. When B dials 1000 , it will think it is going to retrieve call but thing is ,B goes to originate a new call to A.

Scenario 2:

A(1000) calls B(1001).
B parks call and going to retrieve it by dialling 1000(Refer above scenario) from E.
Meanwhile C(1002) calls D(1003).
D goes to do park & will go to retrieve it by dialling 1001 from F.
At the moment A,B & c disconnect call. 
So when D goes to dial 1001 ,it will think its going to retrieve parked call from C.
But actually D is making a new call to B (Bcoz parked number and B's directory number both are same).
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