Dear Call Center Operation,
Thank you for contacting Cisco.
I have already contacted your engineer, he said that he had already sent an email to mailto:paisit.s@pantangerine.co.th and CCed to callcenter@value.co.th He has tried to contact cisco_service@value.co.th for more than one month but failed.
Could you please provide your callers name and direct callback number?
If you need urgent assistance, please call us at the following applicable number to escalate your case and get you in contact with an available engineer immediately:
http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html
Please do not send attachments or case updates to tac@cisco.com.
You may email any attachments or updates to attach@cisco.com. Use your service request number as the subject of your email. You can also update your case using Support Case Manager at: https://tools.cisco.com/ServiceRequestTool/scm/mgmt/case
Would you like the ease of opening and managing your support cases on your smartphone or tablet? You can do this and more with the Cisco Technical Support mobile app for IOS, Android and BlackBerry devices. For more information, go to: http://tools.cisco.com/squish/BA511
Best regards,
Tracy Zhang
Cisco Technical Support