让你免费升套餐的私人电话，到底是谁在打？

Core Viewpoint - The article highlights the deceptive practices of telecom operators in China regarding unsolicited calls promoting "free upgrades" to service plans, which often lead to increased monthly charges for consumers [1][2][3]. Group 1: Consumer Experience - A consumer reported that after a "free upgrade" call, her monthly bill increased from 33 yuan to over 80 yuan [2]. - Complaints related to "service packages" on consumer platforms have exceeded 65,000, indicating widespread dissatisfaction [2]. - Consumers often find themselves trapped in contracts that lead to higher charges after promotional periods end, complicating cancellation processes [5]. Group 2: Telecom Operators' Response - In response to the issue, the three major telecom operators in China announced a unified approach to use official marketing numbers for outbound calls to enhance consumer recognition [2]. - Despite this announcement, the prevalence of unsolicited marketing calls has not diminished significantly [3]. Group 3: Marketing Practices - The article explains that telecom operators utilize a tiered structure involving headquarters, retail stores, and third-party channel vendors, with the latter often making unsolicited calls [6][7]. - Third-party callers are primarily focused on meeting sales targets and may not fully understand the products they are promoting, leading to misleading information [8][9]. - These external callers are restricted to increasing service plans and lack the authority to downgrade them, creating a system that favors upselling [9][10]. Group 4: Operational Dynamics - The operational pressure on external callers results in aggressive sales tactics, as they are incentivized to complete sales regardless of the consumer's best interests [11][12]. - The article suggests that telecom companies are aware of these practices but choose to maintain the status quo, betting on consumers' inability to recognize or report the issues [12][13].