Airtel big family is Airtel tariff plans that allow Airtel Nigeria community subscribers make call at discounted rate. Subscribers can make call at a discounted rate of 10k/s after the first 40k/sec minute call. You also register one airtel number which you call at 10k/sec all through the day.
You can migrate to Airtel Big family with this migration code, the simply dial *447#. To register one airtel number dial, Dial *448*1*airtel no# to register your favorite airtel number for 2SIM
Additional benefits for Airtel Big Family xtra
• Free 4MB daily between 12.30-4.30am
• Free midnight calls (airtel -airtel numbers only) between 12.30 -4.30am
• 30 free airtel-to-airtel SMS between 12.30am-4.30am
• Calls to US, Canada, UK*, India and China at 20k/sec after your 1st minute at 60k/sec
• 60 free SMS each between paired airtel SIMs
In fact, I can say for sure that MTN Smooth talk Plus is far better than Airtel Big Family xtra though the two call tariff plans look similar.
Airtel Big Family to Other Network
• Calls to other networks are only 30k/second after the 1st minute at 40k/sec.
• SMS to other Network-N10/SMS
• SMS to International number-N15/SMS
• Calls to International Zone-55k/sec
Updated: this voice plan no longer exist , check newest airtel voice plan at airtel official website