Enter your email to access the lab

🏆

Lab Complete!

Back to Labs
No service tel-IQ
TMSI: —
📞Phone
💬Messages
#⃣USSD
📶Status
‹ Phone
Places a real MO call on the live MSC. With no B-party it clears with cause 47 — the full CC setup still fires.
‹ Messages
Type a message and tap ↑ — the SMSC delivers a real Mobile-Terminated SMS to this handset over the air (TS 23.040).
‹ USSD
*#100# → your MSISDN · *#101# → your IMSI. Runs a live NCSS session (GSM 04.80).

📡 Live signalling

Close ✕
Tap an action on the phone to drive the real shared 2G handset.
Each 3GPP message appears here as it fires, with the live core output below.
0 of 0 steps done

Select a step

📡 Live network your phone ⇄ the core
📱MS
📡BTS
🗼BSC
🖧MSC
🗄️HLR
Use your phone (right) — each 3GPP message it triggers lights up here, node by node, with the real core output below.
Expect:
🎯 Your move

Ask tel-IQ

Quick questions
📱 This is the real shared 2G handset. Tap to drive the live network.