编制适用于CS1扩展的INAP版本，以涵盖适用于欧洲实施的Camel阶段1要求的协议程序。这项工作基于从SMG 3收到的操作和扩展。必须确保与SMG3在Camel 1期要求方面密切合作。该规范还应解决结构化网络中网络间交互的各个方面。Camel阶段1的定义应与现有的CS1 INAP完全兼容。

To produce a version of INAP for CS1 Extension in order to cover the protocol procedures for the Camel Phase 1 requirements suitable for implementation in Europe. The work is based on operations and extensions received from SMG 3. Close co-operation must be ensured with SMG3 with regard to Camel Phase 1 requirements. The specification should also address aspects of interaction between IN structured networks. The Camel Phase 1 definitions should be fully compatible with the existing CS1 INAP.