Exam Code: STI-400
Exam Name: Service Open & Converged Networks HiPath 4000
Certification Provider: Simens
Corresponding Certification: SOCP

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Updated: Jul 17, 2026

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Simens STI-400 Exam Overview:

Certification Vendor:	Siemens Enterprise Communications
Exam Name:	Service Open & Converged Networks HiPath 4000
Exam Number:	STI-400
Certificate Validity Period:	3 years
Available Languages:	English, German, French
Exam Duration:	90 minutes
Real Exam Qty:	95-105
Passing Score:	Approx. 70-75%
Exam Price:	~$250–$350 USD / ~€220–€320 EUR
Exam Format:	Multiple Choice, Multiple Response
Related Certifications:	SOCA (Service Open Communications Associate) STI-101 STI-801
Recommended Training:	STI-400 Official Service Training
Exam Registration:	Siemens Enterprise Training & Certification SITRAIN Siemens Learning
Exam Way:	Proctored online or at authorized Siemens test centers
Pre Condition:	Recommended: Completion of HiPath 4000 service training or equivalent field experience; SOCA certification preferred
Official Syllabus URL:	https://www.siemens-enterprise.com/en/training-certification/socp

Simens STI-400 Exam Syllabus Topics:

Section	Weight	Objectives
Maintenance, Troubleshooting & Diagnostics	22%	- Firmware Upgrades & Backups - Fault Isolation & Error Log Analysis - Performance Monitoring & Optimization
Features & Applications	8%	- Interworking with OpenScape Platforms - Converged Voice/Data Services
HiPath 4000 System Architecture	25%	- Software Structure & Versions 1. Licensing & Feature Activation 2. Operating System & Firmware - Hardware Components & Shelves 1. Line/Trunk Interface Modules 2. Central Control Units 3. Power & Cooling Systems
Installation & Commissioning	20%	- Integration with PSTN/IP Networks - Site Preparation & Cabling - Initial Setup & Configuration
System Configuration & Administration	25%	- Management & Maintenance Interfaces - IP Connectivity & SIP Trunking - Call Routing & Numbering Plans - Subscriber & Line Configuration

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