The following technical Quality of Service (QoS) indicators for Mobile Services define the minimum QoS benchmarks for all GSM mobile operators' services licensed by the Nigerian Communications Commission.
| | | Internetwork | |
|---|
| Indicator | Intranetwork | PLMN | PTO | PSTN | International |
|---|
| Call Setup Success Rate (%) | = 90% | | | | |
| Handover Success Rate (%) | = 90% | | | | |
| Call Drop Rate (%) | = 2% | | | | |
| Post Dialing Delay(s) | < 5 secs | < 10 secs | < 10 secs | < 10 secs | < 13 secs |
| | - PLMN: Public Land Mobile Network
- PTO: Private Telephone Operators
- PSTN: Public Switched Telephone Network
|
| Transmission Impairment | Value |
|---|
| Bit Error Rate (BER) per Link | = 1 × 10-9 |
End-to-End Error Rate
| = 1 × 10-6 |
| Other Network Measures | Value |
|---|
| Voice Quality Impairment | < 2% |
| Answer Seizure Ratio (ASR) | Intranetwork | = 50% |
| Internetwork | = 45% |
| Call Completion Rate (CCR) % | = 90% |
| Busy Hour BSC Traffic Channel (TCH) Congestion (%) | =10% |
| Minimum Data Encoding Rate | Half-Rate |
Minimum Speech Encoding Rate
| Half-Rate |
| Value Added Services KPIs (SMS & MMS) | Value |
|---|
| % of SMS/MMS Delivery Failures | < 0.2% |
| % of SMS/MMS Incorrect Feedback | < 0.2% |
% of SMS/MMS Multiple Billing
| < 0.01% |