Users reporting they can't transfer calls

[pendal8286]

Hello all and thanks for your time and expertise.  We recently completed a SIP migration in one of our buildings and users are reporting they can't transfer calls.  I called from an outside line and when the clerk selects transfer nothing is happening.  Is the setting in service parameters, call classification:  offset

This is is the first time in any of our buildings I'm hearing this complaint.  Anyway, I would appreciate if someone could point me in the right direction relative to settings and what to configure.  Thanks.

[Yasoda Palachulla · Accepted solution]

Can you get the Call Manager Traces with Calling and Called party Numbers. 

Also get debugccsip messages If using Cube.

Is Internal Transfer working?

What do you hear when the user on Cisco Phone try to transfer?

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[pendal8286]

False alarm.  When i went to the site it turns out the user was not pressing the Transfer button the second time.  Thank you for your time in this matter.