Can Unicom check the records of off-site calls?

Unicom users can log in to Unicom online business hall and mobile phone business hall client to inquire about call records and sending and receiving information records, and do not support inquiring about sending and receiving information content. 1. Unicom online business hall: www. 100 10.com, enter your mobile phone number and service password to log in, and then click "self-service-business inquiry-bill inquiry-bill details inquiry", and then click "call details" or "SMS MMS" to inquire; 2. Mobile phone business hall client: enter the mobile phone number and service password to log in, and then click "Service-Telephone Fee Business Query-Call Details" to query the call records, and click "Service-Other Business Query-SMS MMS Details" to query the sending and receiving information records. Warm reminder: At present, it is supported to query the call records and sending and receiving information records in the past six months (including this month), but not the billing period. The billing cycle of 2G and 3G is 8: 00 am on June 38+0 -3, and the billing cycle of 4G is 8: 00 am on June 38+0 -4.