WAN Telephony Engineer (Bengaluru)

WAN Telephony Engineer (Bengaluru)

13 Aug
|
Persistent Systems
|
Bengaluru

13 Aug

Persistent Systems

Bengaluru

Android Telephony WAN Engineer (4–10 Years)

Work on
Android Telephony (WAN)
across
Framework + RIL
layers for 4G/5G devices.

? Responsibilities
- Develop & customize
AOSP Telephony Framework
- Work on
RIL (RILJ, RILC) and modem integration
- Debug issues:
call drops, data issues, network registration, certification issues
- Handle
LTE/5G data (WAN), roaming, network selection
- Develop
IMS features (VoLTE, VoWiFi, ViLTE, VONR)
- Work with
Qualcomm modem platforms
- Analyze logs:
logcat, radio logs, QXDM, TCP
- Support
carrier certification (PTCRB, GCF, Verizon & ATT)

? Required Skills
- Solid in
Android Telephony Framework & RIL
- Experience in
AOSP customization & debugging
- Knowledge of
LTE / 5G / IMS
- Programming:
Java, C, C++
- Experience with
modem logs & debugging tools

📌 WAN Telephony Engineer (Bengaluru)
🏢 Persistent Systems
📍 Bengaluru

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