Huawei H11-861_V2.0 Question Answer
Call process signaling CALL PROCEEDING is a message sent by the caller to the called, indicating that the call is being processed.
Huawei H11-861_V2.0 Summary
- Vendor: Huawei
- Product: H11-861_V2.0
- Update on: Jan 5, 2026
- Questions: 598

