Can't transfer call to an internal line from external line

[ahmadhassan]

Hi all,

I have an issue when transferring calls coming from an external line to an internal line:

Ex.: 

Phone No: 010xxx

The external extension (SIP): 7xxx

Internal Line: 5xxx

When receiving the call on 7xxx can transfer to any external extension but I can't transfer to any internal extension.

CUCM Ver.: 12.5

Thank you in advance

[Nithin Eluvathingal]

What really happens when you transfer? Is this behaviour same when transferring calls to all internal extension or its specific with 5533?

[ahmadhassan]

For all internal extensions 

After dial first digit for any internal number the call drop

[ahmadhassan]

I try to remove the pattern but the same

[ahmadhassan · Accepted solution]

The issue has been resolved:

1. Found out that CSS for 89xx extensions doesn’t include the partition of 32xx extensions.
2. Added the partition of 32xx to 89xx CSS, which resolved the issue.

Thank you