Method, device and system for judging call type

A call control server, comprising:

• a receiving module, configured to receive a call request from a calling terminal, wherein the call request carries a calling terminal number and a called terminal number;
• a first querying module, configured to query a number information storage server for at least one of plan-related information and plan information of the calling terminal number and the called terminal number in the call request received by the receiving module;
• and
• a judging module, configured to judge a call type of a call service corresponding to the call request according to the plan-related information and/or the plan information of the calling terminal number and the called terminal number, wherein the plan information and/or plan-related information is obtained by the first querying module.

A number information storage server, comprising:

• a storing module, configured to store at least one of plan information and plan-related information of a number;
• a receiving module, configured to receive a message for querying for plan information of a calling terminal number and/or a called terminal number;
• a querying module, configured to query one of:
• the storing module for the plan information of the calling terminal number or the called terminal number according to the message received by the receiving module;
• or the storing module for the plan-related information according to the plan information of the calling terminal number and/or the called terminal number;
• and
• a sending module, configured to send at least one of:
• the plan information of the calling terminal number and the called terminal number, and send the plan-related information, wherein the plan information and the plan-related information are obtained by the querying module.